Editing Marin County, California (section)

==Demographics==
{{US Census population
|1850= 323
|1860= 3334
|1870= 6903
|1880= 11324
|1890= 13072
|1900= 15702
|1910= 25114
|1920= 27342
|1930= 41648
|1940= 52907
|1950= 85619
|1960= 146820
|1970= 206038
|1980= 222568
|1990= 230096
|2000= 247289
|2010= 252409
|2020= 262231
|estyear=2024
|estimate=256400
|estref=<ref name="USCensusEst2024">{{cite web|url=https://www.census.gov/programs-surveys/popest/data/tables.html|title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2024|publisher=United States Census Bureau|access-date=May 9, 2025}}</ref>
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/prod/www/decennial.html|title=Census of Population and Housing from 1790–2000|publisher=[[US Census Bureau]]|access-date=January 24, 2022}}</ref><br />1790–1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=May 26, 2014}}</ref> 1900–1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/ca190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=May 26, 2014}}</ref><br />1990–2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|access-date=May 26, 2014}}</ref> 2010<ref name=2010CensusP2/> 2020<ref name=2020CensusP2/>
}}

===2020 census===
{| class="wikitable" style="text-align:center;"
|+'''Marin County, California – Racial and ethnic composition'''<br><small>{{nobold|''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.''}}</small>
!Race / Ethnicity <small>(''NH = Non-Hispanic'')</small>
!Pop 2000<ref name=2000CensusP004>{{Cite web|title=P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Marin County, California |url=https://data.census.gov/table?g=0500000US06041&tid=DECENNIALSF12000.P004|publisher=[[United States Census Bureau]] |access-date= }}</ref>
!Pop 2010<ref name=2010CensusP2>{{cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Marin County, California|url=https://data.census.gov/cedsci/table?q=p2&g=0500000US06041&tid=DECENNIALPL2010.P2|website=[[United States Census Bureau]]}}</ref>
!{{partial|Pop 2020}}<ref name=2020CensusP2>{{cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Marin County, California|url=https://data.census.gov/cedsci/table?q=p2&g=0500000US06041&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]]}}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|194,254
|183,830
|style='background: #ffffe6; |173,149
|78.55%
|72.83%
|style='background: #ffffe6; |66.01%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|6,946
|6,621
|style='background: #ffffe6; |6,120
|2.81%
|2.62%
|style='background: #ffffe6; |2.33%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|630
|531
|style='background: #ffffe6; |555
|0.25%
|0.21%
|style='background: #ffffe6; |0.21%
|-
|[[Asian Americans|Asian]] alone (NH)
|11,078
|13,577
|style='background: #ffffe6; |16,175
|4.48%
|5.38%
|style='background: #ffffe6; |6.17%
|-
|[[Pacific Islander Americans|Pacific Islander]] alone (NH)
|330
|436
|style='background: #ffffe6; |457
|0.13%
|0.17%
|style='background: #ffffe6; |0.17%
|-
|[[Race and ethnicity in the United States census|Other Race]] alone (NH)
|718
|1,034
|style='background: #ffffe6; |2,040
|0.29%
|0.41%
|style='background: #ffffe6; |0.78%
|-
|[[Multiracial Americans|Mixed Race or Multi-Racial]] (NH)
|5,982
|7,311
|style='background: #ffffe6; |14,415
|2.42%
|2.90%
|style='background: #ffffe6; |5.50%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|27,351
|39,069
|style='background: #ffffe6; |49,410
|11.06%
|15.48%
|style='background: #ffffe6; |18.84%
|-
|'''Total'''
|'''247,289'''
|'''252,409'''
|style='background: #ffffe6; |'''262,321'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

===2011===
{| class="wikitable collapsible collapsed"
|-
! colspan=6 | Population, race, and income
|-
! scope="row" style="text-align: left;" | Total population<ref name="US-CB-B02001">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B02001. [https://www.census.gov U.S. Census website]. Retrieved October 26, 2013.</ref>
| colspan=2 | 250,666
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;White<ref name="US-CB-B02001"/>
| 200,333
| 79.9%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;Black or African American<ref name="US-CB-B02001"/>
| 7,481
| 3.0%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;American Indian or Alaska Native<ref name="US-CB-B02001"/>
| 793
| 0.3%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;Asian<ref name="US-CB-B02001"/>
| 13,992
| 5.6%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;Native Hawaiian or other Pacific Islander<ref name="US-CB-B02001"/>
| 511
| 0.2%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;Some other race<ref name="US-CB-B02001"/>
| 19,228
| 7.7%
|-
! scope="row" style="text-align: left;" | &nbsp;&nbsp;Two or more races<ref name="US-CB-B02001"/>
| 8,328
| 3.3%
|-
! scope="row" style="text-align: left;" | &nbsp;Hispanic or Latino (of any race)<ref name="US-CB-B03003">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B03003. [https://www.census.gov U.S. Census website]. Retrieved October 26, 2013.</ref>
| 37,344
| 14.9%
|-
! scope="row" style="text-align: left;" | Per capita income<ref name="US-CB-B19301">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19301. [https://www.census.gov U.S. Census website]. Retrieved October 21, 2013.</ref>
| colspan=2 | $54,605
|-
! scope="row" style="text-align: left;" | Median household income<ref name="US-CB-B19013">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19013. [https://www.census.gov U.S. Census website]. Retrieved October 21, 2013.</ref>
| colspan=2 | $89,605
|-
! scope="row" style="text-align: left;" | Median family income<ref name="US-CB-B19113">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B19113. [https://www.census.gov U.S. Census website]. Retrieved October 21, 2013.</ref>
| colspan=2 | $113,826
|}
[[File:Ethnic Origins in Marin County, CA.png|thumb|330x330px|Ethnic origins in Marin County]]

====Places by population, race, and income====
{| class="wikitable collapsible collapsed sortable" style="width: 100%;"
|-
! colspan=9 | Places by population and race
|-
! Place
! Type<ref name="US-CB">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates. [https://www.census.gov U.S. Census website]. Retrieved October 21, 2013.</ref>
! data-sort-type="number" | Population<ref name="US-CB-B02001"/>
! data-sort-type="number" | White<ref name="US-CB-B02001"/>
! data-sort-type="number" | Other<ref name="US-CB-B02001"/><br /><ref name="other" group=note>Other = Some other race + Two or more races</ref>
! data-sort-type="number" | Asian<ref name="US-CB-B02001"/>
! data-sort-type="number" | Black or African<br />American<ref name="US-CB-B02001"/>
! data-sort-type="number" | Native American<ref name="US-CB-B02001"/><br /><ref name="na" group=note>Native American = Native Hawaiian or other Pacific Islander + American Indian or Alaska Native</ref>
! data-sort-type="number" | Hispanic or Latino<br />(of any race)<ref name="US-CB-B03003"/>
|-
| [[Alto, California|Alto]] || [[Census-designated place|CDP]] || 741 || 96.8% || 3.2% || 0.0% || 0.0% || 0.0% || 16.5%
|-
| [[Belvedere, California|Belvedere]] || [[List of cities and towns in California|City]] || 2,118 || 95.0% || 3.4% || 1.2% || 0.4% || 0.0% || 7.6%
|-
| [[Black Point-Green Point, California|Black Point-Green Point]] || [[Census-designated place|CDP]] || 1,204 || 93.4% || 5.8% || 0.8% || 0.0% || 0.0% || 7.8%
|-
| [[Bolinas, California|Bolinas]] || [[Census-designated place|CDP]] || 1,117 || 89.3% || 1.7% || 3.8% || 5.2% || 0.0% || 4.7%
|-
| [[Corte Madera, California|Corte Madera]] || [[List of cities and towns in California|Town]] || 9,191 || 82.5% || 3.7% || 12.6% || 1.2% || 0.0% || 3.7%
|-
| [[Dillon Beach, California|Dillon Beach]] || [[Census-designated place|CDP]] || 132 || 100.0% || 0.0% || 0.0% || 0.0% || 0.0% || 0.0%
|-
| [[Fairfax, California|Fairfax]] || [[List of cities and towns in California|Town]] || 7,410 || 91.7% || 6.6% || 0.9% || 0.8% || 0.0% || 6.4%
|-
| [[Inverness, California|Inverness]] || [[Census-designated place|CDP]] || 1,335 || 97.1% || 1.1% || 0.0% || 1.8% || 0.0% || 3.7%
|-
| [[Kentfield, California|Kentfield]] || [[Census-designated place|CDP]] || 6,669 || 90.4% || 3.7% || 3.0% || 1.2% || 1.8% || 5.5%
|-
| [[Lagunitas-Forest Knolls, California|Lagunitas-Forest Knolls]] || [[Census-designated place|CDP]] || 2,307 || 73.0% || 17.3% || 2.0% || 5.5% || 2.2% || 19.1%
|-
| [[Larkspur, California|Larkspur]] || [[List of cities and towns in California|City]] || 11,870 || 88.6% || 6.4% || 3.1% || 1.2% || 0.7% || 9.6%
|-
| [[Lucas Valley-Marinwood, California|Lucas Valley-Marinwood]] || [[Census-designated place|CDP]] || 5,909 || 85.8% || 6.1% || 6.2% || 1.4% || 0.4% || 5.6%
|-
| [[Marin City, California|Marin City]] || [[Census-designated place|CDP]] || 2,711 || 37.1% || 13.4% || 4.2% || 45.0% || 0.4% || 14.8%
|-
| [[Mill Valley, California|Mill Valley]] || [[List of cities and towns in California|City]] || 13,810 || 87.8% || 5.8% || 5.2% || 1.0% || 0.1% || 6.9%
|-
| [[Muir Beach, California|Muir Beach]] || [[Census-designated place|CDP]] || 306 || 93.8% || 0.0% || 2.9% || 3.3% || 0.0% || 0.0%
|-
| [[Nicasio, California|Nicasio]] || [[Census-designated place|CDP]] || 15 || 100.0% || 0.0% || 0.0% || 0.0% || 0.0% || 0.0%
|-
| [[Novato, California|Novato]] || [[List of cities and towns in California|City]] || 51,206 || 76.8% || 13.5% || 6.4% || 2.8% || 0.4% || 16.9%
|-
| [[Point Reyes Station, California|Point Reyes Station]] || [[Census-designated place|CDP]] || 853 || 61.9% || 34.8% || 0.0% || 3.3% || 0.0% || 37.2%
|-
| [[Ross, California|Ross]] || [[List of cities and towns in California|Town]] || 2,079 || 95.5% || 2.6% || 1.5% || 0.0% || 0.4% || 4.7%
|-
| [[San Anselmo, California|San Anselmo]] || [[List of cities and towns in California|Town]] || 12,273 || 86.4% || 7.0% || 5.1% || 1.3% || 0.1% || 6.6%
|-
| [[San Geronimo, California|San Geronimo]] || [[Census-designated place|CDP]] || 383 || 93.5% || 0.0% || 1.3% || 5.2% || 0.0% || 0.0%
|-
| [[San Rafael, California|San Rafael]] || [[List of cities and towns in California|City]] || 57,374 || 72.1% || 17.9% || 6.3% || 2.8% || 0.9% || 28.4%
|-
| [[Santa Venetia, California|Santa Venetia]] || [[Census-designated place|CDP]] || 4,799 || 85.3% || 10.3% || 3.8% || 0.0% || 0.6% || 16.9%
|-
| [[Sausalito, California|Sausalito]] || [[List of cities and towns in California|City]] || 7,047 || 93.4% || 1.7% || 4.8% || 0.0% || 0.1% || 4.6%
|-
| [[Sleepy Hollow, Marin County, California|Sleepy Hollow]] || [[Census-designated place|CDP]] || 2,277 || 93.6% || 3.2% || 3.2% || 0.0% || 0.0% || 3.0%
|-
| [[Stinson Beach, California|Stinson Beach]] || [[Census-designated place|CDP]] || 448 || 86.4% || 6.7% || 6.9% || 0.0% || 0.0% || 6.7%
|-
| [[Strawberry, Marin County, California|Strawberry]] || [[Census-designated place|CDP]] || 5,765 || 75.1% || 8.2% || 11.3% || 4.9% || 0.5% || 6.1%
|-
| [[Tamalpais-Homestead Valley, California|Tamalpais-Homestead Valley]] || [[Census-designated place|CDP]] || 10,538 || 85.4% || 5.0% || 8.7% || 0.8% || 0.1% || 3.9%
|-
| [[Tiburon, California|Tiburon]] || [[List of cities and towns in California|Town]] || 8,895 || 91.5% || 3.3% || 4.4% || 0.4% || 0.3% || 7.0%
|-
| [[Tomales, California|Tomales]] || [[Census-designated place|CDP]] || 271 || 70.1% || 18.5% || 11.4% || 0.0% || 0.0% || 11.1%
|-
| [[Woodacre, California|Woodacre]] || [[Census-designated place|CDP]] || 1,470 || 92.7% || 0.0% || 4.2% || 3.1% || 0.0% || 2.3%
|}

{| class="wikitable collapsible collapsed sortable" style="width: 100%;"
|-
! colspan=6 | Places by population and income
|-
! Place
! Type<ref name="US-CB"/>
! Population<ref name="US-CB-B01003">U.S. Census Bureau. American Community Survey, 2011 American Community Survey 5-Year Estimates, Table B01003. [https://www.census.gov U.S. Census website]. Retrieved October 21, 2013.</ref>
! data-sort-type="currency" | Per capita income<ref name="US-CB-B19301"/>
! data-sort-type="currency" | Median household income<ref name="US-CB-B19013"/>
! data-sort-type="currency" | Median family income<ref name="US-CB-B19113"/>
|-
| [[Alto, California|Alto]] || [[Census-designated place|CDP]] || 741 || $61,750 || $78,426 || $78,935
|-
| [[Belvedere, California|Belvedere]] || [[List of cities and towns in California|City]] || 2,118 || $118,518 || $160,455 || $190,500
|-
| [[Black Point-Green Point, California|Black Point-Green Point]] || [[Census-designated place|CDP]] || 1,204 || $76,341 || $126,429 || $135,250
|-
| [[Bolinas, California|Bolinas]] || [[Census-designated place|CDP]] || 1,117 || $38,233 || $62,083 || $66,042
|-
| [[Corte Madera, California|Corte Madera]] || [[List of cities and towns in California|Town]] || 9,191 || $62,824 || $106,541 || $132,717
|-
| [[Dillon Beach, California|Dillon Beach]] || [[Census-designated place|CDP]] || 132 || $71,340 || $153,490 || $153,802
|-
| [[Fairfax, California|Fairfax]] || [[List of cities and towns in California|Town]] || 7,410 || $49,486 || $97,992 || $125,795
|-
| [[Inverness, California|Inverness]] || [[Census-designated place|CDP]] || 1,335 || $46,192 || $63,261 || $76,827
|-
| [[Kentfield, California|Kentfield]] || [[Census-designated place|CDP]] || 6,669 || $91,579 || $154,265 || $200,660
|-
| [[Lagunitas-Forest Knolls, California|Lagunitas-Forest Knolls]] || [[Census-designated place|CDP]] || 2,307 || $33,631 || $86,111 || $88,250
|-
| [[Larkspur, California|Larkspur]] || [[List of cities and towns in California|City]] || 11,870 || $64,646 || $86,046 || $118,836
|-
| [[Lucas Valley-Marinwood, California|Lucas Valley-Marinwood]] || [[Census-designated place|CDP]] || 5,909 || $61,644 || $123,239 || $158,047
|-
| [[Marin City, California|Marin City]] || [[Census-designated place|CDP]] || 2,711 || $33,857 || $46,250 || $51,650
|-
| [[Mill Valley, California|Mill Valley]] || [[List of cities and towns in California|City]] || 13,810 || $77,315 || $109,759 || $167,561
|-
| [[Muir Beach, California|Muir Beach]] || [[Census-designated place|CDP]] || 306 || $95,802 || $166,389 || $171,205
|-
| [[Nicasio, California|Nicasio]] || [[Census-designated place|CDP]] || 15 || $45,020 || $53,750 || $53,750
|-
| [[Novato, California|Novato]] || [[List of cities and towns in California|City]] || 51,206 || $41,575 || $78,628 || $95,961
|-
| [[Point Reyes Station, California|Point Reyes Station]] || [[Census-designated place|CDP]] || 853 || $49,520 || $84,405 || $84,583
|-
| [[Ross, California|Ross]] || [[List of cities and towns in California|Town]] || 2,079 || $86,812 || $145,250 || $168,125
|-
| [[San Anselmo, California|San Anselmo]] || [[List of cities and towns in California|Town]] || 12,273 || $53,033 || $96,639 || $122,823
|-
| [[San Geronimo, California|San Geronimo]] || [[Census-designated place|CDP]] || 383 || $57,226 || $113,558 || $145,393
|-
| [[San Rafael, California|San Rafael]] || [[List of cities and towns in California|City]] || 57,374 || $42,499 || $71,343 || $90,146
|-
| [[Santa Venetia, California|Santa Venetia]] || [[Census-designated place|CDP]] || 4,799 || $35,544 || $64,200 || $77,804
|-
| [[Sausalito, California|Sausalito]] || [[List of cities and towns in California|City]] || 7,047 || $84,618 || $110,040 || $153,807
|-
| [[Sleepy Hollow, Marin County, California|Sleepy Hollow]] || [[Census-designated place|CDP]] || 2,277 || $81,611 || $159,259 || $165,441
|-
| [[Stinson Beach, California|Stinson Beach]] || [[Census-designated place|CDP]] || 448 || $62,105 || $104,583 || $137,321
|-
| [[Strawberry, Marin County, California|Strawberry]] || [[Census-designated place|CDP]] || 5,765 || $61,937 || $84,050 || $130,750
|-
| [[Tamalpais-Homestead Valley, California|Tamalpais-Homestead Valley]] || [[Census-designated place|CDP]] || 10,538 || $65,141 || $116,146 || $136,250
|-
| [[Tiburon, California|Tiburon]] || [[List of cities and towns in California|Town]] || 8,895 || $97,434 || $136,250 || $185,909
|-
| [[Tomales, California|Tomales]] || [[Census-designated place|CDP]] || 271 || $42,263 || $101,667 || $100,833
|-
| [[Woodacre, California|Woodacre]] || [[Census-designated place|CDP]] || 1,470 || $39,204 || $72,266 || $89,107
|}

===2010 Census===
The [[2010 United States census]] reported that Marin County had a population of 252,409. The racial makeup of Marin County was 201,963 (80.0%) [[White (U.S. Census)|White]], 6,987 (2.8%) [[African American (U.S. Census)|African American]], 1,523 (0.6%) [[Native American (U.S. Census)|Native American]], 13,761 (5.5%) [[Asian (U.S. Census)|Asian]], 509 (0.2%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 16,973 (6.7%) from [[Race (United States Census)|other races]], and 10,693 (4.2%) from two or more races. There were 39,069 people of [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] origin, of any race (15.5%).<ref>{{USCensus2010CA}}</ref>

{| class="wikitable sortable collapsible" style="margin-left:auto;margin-right:auto;text-align: right;font-size: 90%;"
! Demographic profile<ref>{{cite web|url=http://www.bayareacensus.ca.gov |title=Demographic Profile Bay Area Census |archive-url=https://web.archive.org/web/20060302190557/http://www.census.gov/ |archive-date=March 2, 2006 |url-status=live }}</ref>
! 2010
! 2000
! 1990
! 1980
|-
|align="left" | White || 80.0% || 84.0% || 88.9% || 92.8%
|-
|align="left" | Asian || 5.5% || 4.5% || 4.0% || 3.0%
|-
|align="left" | Black or African American || 2.8% || 2.9% || 3.5% || 2.5%
|-
|align="left" | Native American or Native Alaskan || 0.6% || 0.4% || 0.4% || 0.4%
|-
|align="left" | Native Hawaiian and Other Pacific Islander || 0.2% || 0.2% || ||
|-
|align="left" | Some other race || 6.7% || 4.5% || ||
|-
|align="left" | Two or more races || 4.2% || 3.5% || ||
|-
|align="left" | Hispanic or Latino (of any race) || 15.5% || 11.1% || 7.4% || 4.2%
|-
|align="left" | White alone || 72.8% || 78.6% || 84.6% || 89.8%
|}

{| class="wikitable collapsible collapsed"
|-
!colspan=10|Population reported at [[2010 United States Census]]
|-
|style="text-align:center;"|'''The County''' ||style="text-align:center;"|'''Total<br />Population'''||style="text-align:center;"|'''[[White (U.S. Census)|White]]''' ||style="text-align:center;"|'''[[African American (U.S. Census)|African<br />American]]''' ||style="text-align:center;"| '''[[Native American (U.S. Census)|Native<br />American]]''' ||style="text-align:center;"| '''[[Asian (U.S. Census)|Asian]]''' ||style="text-align:center;"| '''[[Pacific Islander (U.S. Census)|Pacific<br />Islander]]''' ||style="text-align:center;"| '''[[Race (United States Census)|other<br />races]]''' ||style="text-align:center;"| '''two or<br />more races''' ||style="text-align:center;"| '''[[Hispanic (U.S. Census)|Hispanic]]<br />or [[Latino (U.S. Census)|Latino]]<br />(of any race)'''
|-
|'''Marin County'''
|align="right"|252,409||align="right"|201,963||align="right"|6,987||align="right"|1,523||align="right"|13,761||align="right"|509||align="right"|16,973||align="right"|10,693||align="right"|39,069
|-
|style="text-align:center;"|'''[[Incorporated city|Incorporated<br />cities and towns]]''' ||style="text-align:center;"|'''Total<br />Population'''||style="text-align:center;"|'''[[White (U.S. Census)|White]]''' ||style="text-align:center;"|'''[[African American (U.S. Census)|African<br />American]]''' ||style="text-align:center;"| '''[[Native American (U.S. Census)|Native<br />American]]''' ||style="text-align:center;"| '''[[Asian (U.S. Census)|Asian]]''' ||style="text-align:center;"| '''[[Pacific Islander (U.S. Census)|Pacific<br />Islander]]''' ||style="text-align:center;"| '''[[Race (United States Census)|other<br />races]]''' ||style="text-align:center;"| '''two or<br />more races''' ||style="text-align:center;"| '''[[Hispanic (U.S. Census)|Hispanic]]<br />or [[Latino (U.S. Census)|Latino]]<br />(of any race)'''
|-
|'''[[Belvedere, California|Belvedere]]'''
|align="right"|2,068||align="right"|1,940||align="right"|3||align="right"|0||align="right"|58||align="right"|7||align="right"|18||align="right"|42||align="right"|72
|-
|'''[[Corte Madera, California|Corte Madera]]'''
|align="right"|9,253||align="right"|7,808||align="right"|87||align="right"|15||align="right"|625||align="right"|29||align="right"|262||align="right"|427||align="right"|772
|-
|'''[[Fairfax, California|Fairfax]]'''
|align="right"|7,441||align="right"|6,617||align="right"|110||align="right"|36||align="right"|204||align="right"|4||align="right"|174||align="right"|296||align="right"|504
|-
|'''[[Larkspur, California|Larkspur]]'''
|align="right"|11,926||align="right"|10,311||align="right"|186||align="right"|26||align="right"|563||align="right"|13||align="right"|343||align="right"|484||align="right"|918
|-
|'''[[Mill Valley, California|Mill Valley]]'''
|align="right"|13,903||align="right"|12,341||align="right"|118||align="right"|23||align="right"|755||align="right"|14||align="right"|152||align="right"|500||align="right"|622
|-
|'''[[Novato, California|Novato]]'''
|align="right"|51,904||align="right"|39,443||align="right"|1,419||align="right"|286||align="right"|3,428||align="right"|117||align="right"|4,693||align="right"|2,518||align="right"|11,046
|-
|'''[[Ross, California|Ross]]'''
|align="right"|2,415||align="right"|2,265||align="right"|6||align="right"|2||align="right"|45||align="right"|3||align="right"|19||align="right"|75||align="right"|94
|-
|'''[[San Anselmo, California|San Anselmo]]'''
|align="right"|12,336||align="right"|11,134||align="right"|106||align="right"|40||align="right"|437||align="right"|26||align="right"|164||align="right"|429||align="right"|717
|-
|'''[[San Rafael, California|San Rafael]]'''
|align="right"|57,713||align="right"|40,734||align="right"|1,154||align="right"|709||align="right"|3,513||align="right"|126||align="right"|8,513||align="right"|2,964||align="right"|17,302
|-
|'''[[Sausalito, California|Sausalito]]'''
|align="right"|7,061||align="right"|6,400||align="right"|65||align="right"|16||align="right"|342||align="right"|10||align="right"|53||align="right"|175||align="right"|287
|-
|'''[[Tiburon, California|Tiburon]]'''
|align="right"|8,962||align="right"|7,899||align="right"|83||align="right"|16||align="right"|505||align="right"|8||align="right"|80||align="right"|371||align="right"|410
|-
|style="text-align:center;"|'''[[Census-designated place|Census-designated<br />place]]''' ||style="text-align:center;"|'''Total<br />Population'''||style="text-align:center;"|'''[[White (U.S. Census)|White]]''' ||style="text-align:center;"|'''[[African American (U.S. Census)|African<br />American]]''' ||style="text-align:center;"| '''[[Native American (U.S. Census)|Native<br />American]]''' ||style="text-align:center;"| '''[[Asian (U.S. Census)|Asian]]''' ||style="text-align:center;"| '''[[Pacific Islander (U.S. Census)|Pacific<br />Islander]]''' ||style="text-align:center;"| '''[[Race (United States Census)|other<br />races]]''' ||style="text-align:center;"| '''two or<br />more races''' ||style="text-align:center;"| '''[[Hispanic (U.S. Census)|Hispanic]]<br />or [[Latino (U.S. Census)|Latino]]<br />(of any race)'''
|-
|'''[[Alto, California|Alto]]'''
|align="right"|711||align="right"|619||align="right"|8||align="right"|2||align="right"|30||align="right"|1||align="right"|16||align="right"|35||align="right"|51
|-
|'''[[Black Point-Green Point, California|Black Point-Green Point]]'''
|align="right"|1,306||align="right"|1,185||align="right"|7||align="right"|6||align="right"|45||align="right"|0||align="right"|28||align="right"|35||align="right"|112
|-
|'''[[Bolinas, California|Bolinas]]'''
|align="right"|1,620||align="right"|1,406||align="right"|27||align="right"|10||align="right"|17||align="right"|14||align="right"|64||align="right"|82||align="right"|260
|-
|'''[[Dillon Beach, California|Dillon Beach]]'''
|align="right"|283||align="right"|266||align="right"|0||align="right"|3||align="right"|4||align="right"|0||align="right"|0||align="right"|10||align="right"|9
|-
|'''[[Inverness, California|Inverness]]'''
|align="right"|1,304||align="right"|1,212||align="right"|15||align="right"|8||align="right"|16||align="right"|2||align="right"|19||align="right"|32||align="right"|79
|-
|'''[[Kentfield, California|Kentfield]]'''
|align="right"|6,485||align="right"|5,908||align="right"|35||align="right"|10||align="right"|224||align="right"|7||align="right"|95||align="right"|206||align="right"|299
|-
|'''[[Lagunitas-Forest Knolls, California|Lagunitas-Forest Knolls]]'''
|align="right"|1,819||align="right"|1,658||align="right"|26||align="right"|11||align="right"|11||align="right"|1||align="right"|43||align="right"|69||align="right"|133
|-
|'''[[Lucas Valley-Marinwood, California|Lucas Valley-Marinwood]]'''
|align="right"|6,094||align="right"|5,225||align="right"|68||align="right"|18||align="right"|424||align="right"|5||align="right"|117||align="right"|237||align="right"|444
|-
|'''[[Marin City, California|Marin City]]'''
|align="right"|2,666||align="right"|1,037||align="right"|1,017||align="right"|15||align="right"|287||align="right"|21||align="right"|120||align="right"|169||align="right"|365
|-
|'''[[Muir Beach, California|Muir Beach]]'''
|align="right"|310||align="right"|283||align="right"|5||align="right"|1||align="right"|12||align="right"|0||align="right"|1||align="right"|8||align="right"|7
|-
|'''[[Nicasio, California|Nicasio]]'''
|align="right"|96||align="right"|94||align="right"|2||align="right"|0||align="right"|0||align="right"|0||align="right"|0||align="right"|0||align="right"|7
|-
|'''[[Point Reyes Station, California|Point Reyes Station]]'''
|align="right"|848||align="right"|725||align="right"|7||align="right"|3||align="right"|10||align="right"|0||align="right"|73||align="right"|30||align="right"|155
|-
|'''[[San Geronimo, California|San Geronimo]]'''
|align="right"|446||align="right"|421||align="right"|3||align="right"|2||align="right"|3||align="right"|0||align="right"|3||align="right"|14||align="right"|21
|-
|'''[[Santa Venetia, California|Santa Venetia]]'''
|align="right"|4,292||align="right"|3,335||align="right"|88||align="right"|27||align="right"|306||align="right"|16||align="right"|350||align="right"|170||align="right"|815
|-
|'''[[Sleepy Hollow, Marin County, California|Sleepy Hollow]]'''
|align="right"|2,384||align="right"|2,160||align="right"|14||align="right"|9||align="right"|113||align="right"|6||align="right"|11||align="right"|71||align="right"|69
|-
|'''[[Stinson Beach, California|Stinson Beach]]'''
|align="right"|632||align="right"|582||align="right"|3||align="right"|8||align="right"|14||align="right"|1||align="right"|9||align="right"|15||align="right"|33
|-
|'''[[Strawberry, Marin County, California|Strawberry]]'''
|align="right"|5,393||align="right"|4,325||align="right"|115||align="right"|18||align="right"|589||align="right"|16||align="right"|99||align="right"|231||align="right"|352
|-
|'''[[Tamalpais-Homestead Valley, California|Tamalpais-Homestead Valley]]'''
|align="right"|10,735||align="right"|9,449||align="right"|91||align="right"|24||align="right"|592||align="right"|28||align="right"|121||align="right"|430||align="right"|499
|-
|'''[[Tomales, California|Tomales]]'''
|align="right"|204||align="right"|193||align="right"|0||align="right"|3||align="right"|4||align="right"|0||align="right"|0||align="right"|4||align="right"|9
|-
|'''[[Woodacre, California|Woodacre]]'''
|align="right"|1,348||align="right"|1,231||align="right"|3||align="right"|4||align="right"|27||align="right"|4||align="right"|10||align="right"|69||align="right"|77
|-
|style="text-align:center;"|'''Other<br />[[unincorporated area]]s''' ||style="text-align:center;"|'''Total<br />Population'''||style="text-align:center;"|'''[[White (U.S. Census)|White]]''' ||style="text-align:center;"|'''[[African American (U.S. Census)|African<br />American]]''' ||style="text-align:center;"| '''[[Native American (U.S. Census)|Native<br />American]]''' ||style="text-align:center;"| '''[[Asian (U.S. Census)|Asian]]''' ||style="text-align:center;"| '''[[Pacific Islander (U.S. Census)|Pacific<br />Islander]]''' ||style="text-align:center;"| '''[[Race (United States Census)|other<br />races]]''' ||style="text-align:center;"| '''two or<br />more races''' ||style="text-align:center;"| '''[[Hispanic (U.S. Census)|Hispanic]]<br />or [[Latino (U.S. Census)|Latino]]<br />(of any race)'''
|-
|All others not CDPs (combined)
|align="right"|18,451||align="right"|13,757||align="right"|2,116||align="right"|172||align="right"|558||align="right"|30||align="right"|1,323||align="right"|495||align="right"|2,529
|}

===2000===
As of the census<ref name="GR8">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=May 14, 2011|title=U.S. Census website}}</ref> of 2000, there were 247,289 people, 100,650 households, and 60,691 families residing in the county. The population density was {{convert|476|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 104,990 housing units at an average density of {{convert|202|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The [[Race (United States Census)|racial makeup]] of the county was 84.0% [[White (U.S. Census)|White]], 2.9% Black or [[African American (U.S. Census)|African American]], 0.4% Native American, 4.5% [[Race and ethnicity in the United States Census|Asian]], 0.2% [[Pacific Islander]], 4.5% from other races, and 3.5% from two or more races. 11.1% of the population were [[Hispanic]] or Latino of any race.

In 2000, there were 100,650 households, out of which 27.5% had children under the age of 18 living with them, 48.4% were married couples living together, 8.5% had a female householder with no husband present, and 39.7% were non-families. 29.8% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.90.

In the county, 20.3% of the population was under the age of 18, 5.5% from 18 to 24, 31.0% from 25 to 44, 29.7% from 45 to 64, and 13.5% was 65 years of age or older. The median age was 41 years. For every 100 females there were 98.2 males. For every 100 females age 18 and over, there were 96.4 males.

===Life expectancy===
According to the most recent data on U.S. life expectancy, published in 2010 by the [[Institute for Health Metrics and Evaluation]], a female in Marin County could expect to live 85.0 years, the longest for any county in the United States. The national average is 80.8 years for a female.<ref>{{cite web | title = Life Expectancy, Obesity, and Physical Activity | publisher = Institute for Health Metrics and Evaluation | date = 2010 | url = http://www.healthdata.org/sites/default/files/files/data_for_download/alcohol_life_expect/IHME_county_data_LifeExpectancy_Obesity_PhysicalActivity_NATIONAL.xlsx}}</ref>

===Race and ethnicity===
According to the [[2010 United States Census]], the racial composition of Marin County was as follows:

* [[White American|White]]: 72.8% (non-Hispanic)
* [[Hispanic and Latino Americans|Hispanic or Latino]] (of any race): 15.5%
* [[Asian American|Asian]]: 5.4%
* [[Multiracial American|Two or more races]]: 2.9%
* [[Black American|Black]]: 2.6% (non-Hispanic)
* Native American: 0.2%
* [[Pacific Islander American|Pacific Islander]]: 0.2%
* Other: 0.4%

===Religion===
* [[Roman Catholic]]: 31.16%
* [[Protestant]]: 6.38%
* [[Mormon]]: 1.04%
* Other [[Christians|Christian]]: 1.36%
* [[Judaism]]: 1.8%
* [[Eastern religions]]: 1.33%
* [[Islam]]: 0.44%
* No religion: 56.5%
<ref>{{cite web|url=http://www.bestplaces.net/religion/county/california/marin |title=Religion in Marin County, California |website=Bestplaces.net |date=March 22, 2017 |access-date=March 1, 2022}}</ref>{{better source needed|date = April 2017}}

===Place of birth===
According to the 2006–2008 [[American Community Survey]] (ACS), 81.3% of Marin County's residents were born in the United States. Approximately 80.0% of the county's residents were born in one of the fifty states or born abroad to American parents.

Foreign-born individuals made up the remaining 18.7% of the population. Latin America was the most common birthplace of foreign-born residents; those born in Latin America made up the plurality (42.2%) of Marin County's foreign population. Individuals born in Europe were the second largest foreign-born group; they made up 25.3% of Marin County's foreign population. Immigrants from Asia made up 23.7% of the county's foreign population. Those born in other parts of North America and Africa made up 3.9% and 3.8% of the foreign-born populace respectively. Lastly, residents born in Oceania made up a mere 1.2% of Marin County's foreign population.

Source:<ref name="factfinder.census.gov">{{cite web |url=http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US06041&-qr_name=ACS_2008_3YR_G00_DP3YR2&-ds_name=ACS_2008_3YR_G00_&-_lang=en&-redoLog=false&-_sse=on |title=American FactFinder |access-date=February 16, 2010 |archive-url=https://archive.today/20200211182258/http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=05000US06041&-qr_name=ACS_2008_3YR_G00_DP3YR2&-ds_name=ACS_2008_3YR_G00_&-_lang=en&-redoLog=false&-_sse=on |archive-date=February 11, 2020 |url-status=dead }}</ref>

===Language===
According to the 2006–2008 ACS, English was the most commonly spoken language at home by residents over five years of age; those who spoke only English at home made up 77.1% of Marin County's residents. Speakers of non-English languages accounted for the remaining 22.9% of the population. Speakers of Spanish made up 11.7% of the county's residents, while speakers of other [[Indo-European language]]s made up 7.1% of the populace. Speakers of [[Languages of Asia|Asian languages]] and indigenous languages of the Pacific islands made up 3.4% of the population. The remaining 0.7% spoke other languages.
Source:<ref name="factfinder.census.gov"/>

===Ancestry===
According to the 2007–2009 ACS, there were 16 ancestries in Marin County that made up over 0.9% of its population each.<ref name="factfinder.census.gov"/> The 16 ancestries are listed below:

{{div col|colwidth=30em}}
* [[Irish American|Italian]]: 16.2%
* [[German American|German]]: 15.4%
* [[English American|English]]: 13.5%
* [[Italian American|Irish]]: 9.1%
* [[Russian American|Russian]]: 3.6%
* [[Scottish American|Scottish]]: 3.5%
* [[French American|French]]: 3.4%
* [[Swedish American|Swedish]]: 2.6%
* [[Polish American|Polish]]: 2.3%
* [[Scots-Irish American|Scotch-Irish]]: 2.3%
* [[American ethnicity|American]]: 2.3%
* [[Norwegian American|Norwegian]]: 2.1%
* [[Dutch American|Dutch]]: 1.5%
* [[Portuguese American|Portuguese]]: 1.3%
* [[Danish American|Danish]]: 1.3%
* [[Swiss American|Swiss]]: 0.9%

{{div col end}}

===Income===
[[file:Post Office Ross California.jpg|thumb|220px|[[Ross, California|Ross]] is the 4th most expensive [[zip code]] in the United States.<ref>{{cite news| url=https://fortune.com/2021/11/15/americas-10-most-expensive-zip-codes-2021 |work=Fortune  | title=These are America's 10 most expensive zip codes | first=Chris | last=Morris | date=November 15, 2021 | access-date=March 13, 2022}}</ref>]]
The median income for a household in the county was $71,306 and the median income for a family was $88,934. As of 2007, these figures had risen to $83,732 and $104,750.<ref>{{cite web |url=http://factfinder.census.gov/servlet/ACSSAFFFacts?_event=Search&geo_id=05000US06013&_geoContext=01000US%7C04000US06%7C05000US06013&_street=&_county=marin&_cityTown=marin&_state=04000US06&_zip=&_lang=en&_sse=on&ActiveGeoDiv=geoSelect&_useEV=&pctxt=fph&pgsl=050&_submenuId=factsheet_1&ds_name=ACS_2007_3YR_SAFF&_ci_nbr=null&qr_name=null&reg=null%3Anull&_keyword=&_industry= |title=United States Census Bureau. 2005–2007 American Community Survey 3-Year Estimates. Data Profile Highlights |access-date=February 23, 2009 |archive-url=https://archive.today/20200211180643/http://factfinder.census.gov/servlet/ACSSAFFFacts?_event=Search&geo_id=05000US06013&_geoContext=01000US%7C04000US06%7C05000US06013&_street=&_county=marin&_cityTown=marin&_state=04000US06&_zip=&_lang=en&_sse=on&ActiveGeoDiv=geoSelect&_useEV=&pctxt=fph&pgsl=050&_submenuId=factsheet_1&ds_name=ACS_2007_3YR_SAFF&_ci_nbr=null&qr_name=null&reg=null:null&_keyword=&_industry= |archive-date=February 11, 2020 |url-status=dead }}</ref>

In May 2010, the county had the lowest unemployment rate in [[California]].<ref>{{cite news|last=Bernstein-Wax|first=Jessica|title=Marin regains title of lowest jobless rate in state|url=http://www.marinij.com/ci_15326659|access-date=June 19, 2010|newspaper=Marin Independent Journal|date=June 18, 2010}}</ref> According to the U.S. Bureau of Labor Statistics, however, in July 2010, Marin's unemployment rate rose to 8.3%.<ref>{{Cite web|url=http://www.google.com/publicdata/explore?ds=usunemployment&met=unemployment_rate&idim=county:PS060550&dl=en&hl=en&q=marin+county+unemployment+rate.|title=Unemployment - Google Public Data Explorer|website=Google.com|access-date=March 1, 2022}}</ref>