Editing Boulder, Colorado (section)

==Demographics==

[[File:Race and ethnicity 2020 Boulder, CO.png|thumb|A map of racial distribution in Boulder, 2020 US census. Each dot is one person: {{legend inline|outline=white|white|text=⬤|textcolor=rgb(115, 178, 255)|White}} {{legend inline|outline=white|white|text=⬤|textcolor=rgb(159, 212, 0)|Black}} {{legend inline|outline=white|white|text=⬤|textcolor=rgb(255, 0, 0)|Asian}} {{legend inline|outline=white|white|text=⬤|textcolor=rgb(255, 170, 0)|Hispanic}} {{legend inline|outline=white|white|text=⬤|textcolor=rgb(140, 81, 181)|Multiracial}} {{legend inline|outline=white|white|text=⬤|textcolor=rgb(153, 102, 51)|Native American/other}}]]

Boulder is the principal city of the [[Boulder, CO Metropolitan Statistical Area]].

===2020 census===
{{US Census population
| 1870 = 343
| 1880 = 3069
| 1890 = 3330
| 1900 = 6150
| 1910 = 9539
| 1920 = 11006
| 1930 = 11223
| 1940 = 12958
| 1950 = 19999
| 1960 = 37718
| 1970 = 66870
| 1980 = 76685
| 1990 = 83312
| 2000 = 94673
| 2010 = 97385
| 2020 = 108250
| estyear = 2023
| estimate = 105898
| estref = <ref name="USCensusEst2023">{{Cite web |title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023 |url=https://www.census.gov/data/tables/time-series/demo/popest/2020s-counties-total.html |access-date=March 24, 2024 |publisher=United States Census Bureau}}</ref>
| footnote = [[United States census|U.S. Decennial Census]]
}}
{| class="wikitable" style="text-align:center;"
|+'''Boulder, Colorado – 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 – Boulder city, Colorado|url=https://data.census.gov/table/DECENNIALSF12000.P004?g=160XX00US0807850|website=[[United States Census Bureau]]}}</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) – Boulder city, Colorado|url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US0807850&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) – Boulder city, Colorado|url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US0807850&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]]}}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|79,721
|80,873
|style='background: #ffffe6; |82,700
|84.21%
|83.04%
|style='background: #ffffe6; |76.40%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|1,085
|828
|style='background: #ffffe6; |1,305
|1.15%
|0.85%
|style='background: #ffffe6; |1.21%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|363
|297
|style='background: #ffffe6; |394
|0.38%
|0.30%
|style='background: #ffffe6; |0.36%
|-
|[[Asian Americans|Asian]] alone (NH)
|3,772
|4,558
|style='background: #ffffe6; |6,934
|3.98%
|4.68%
|style='background: #ffffe6; |6.41%
|-
|[[Pacific Islander Americans|Pacific Islander]] alone (NH)
|46
|60
|style='background: #ffffe6; |122
|0.05%
|0.06%
|style='background: #ffffe6; |0.11%
|-
|[[Race and ethnicity in the United States census|Some other race]] alone (NH)
|206
|198
|style='background: #ffffe6; |582
|0.22%
|0.20%
|style='background: #ffffe6; |0.54%
|-
|[[Multiracial Americans|Mixed race or multi-racial]] (NH)
|1,679
|2,064
|style='background: #ffffe6; |4,773
|1.77%
|2.12%
|style='background: #ffffe6; |4.41%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|7,801
|8,507
|style='background: #ffffe6; |11,440
|8.24%
|8.74%
|style='background: #ffffe6; |10.57%
|-
|'''Total'''
|'''94,673'''
|'''97,385'''
|style='background: #ffffe6; |'''108,250'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

In the 2010 census, there were 97,385 people, 41,302 households, and 16,694 families in the city. The population density was {{convert|3,942.7|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 43,479 housing units at an average density of {{convert|1,760.3|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The [[Race (United States Census)|racial makeup]] of the city was 88.0% White, 0.9% Black or African American, 0.4% Native American, 4.7% Asian, 0.1% Pacific Islander, 3.2% some other race, and 2.6% from two or more races. 8.7% of the population were [[Hispanics in the United States|Hispanic]] or Latino of any race.<ref name="Census 2010 DP">{{cite web| url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/1600000US0807850| archive-url=https://archive.today/20200212135814/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/1600000US0807850| url-status=dead| archive-date=February 12, 2020| title=Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Boulder city, Colorado| publisher=U.S. Census Bureau, American Factfinder| access-date=February 5, 2013}}</ref>

There were 41,302 households, of which 19.1% had children under 18 living with them, 32.2% were headed by married couples living together, 5.5% had a female householder with no husband present, and 59.6% were non-families. 35.8% of all households comprised individuals, and 7.1% were someone living alone who was 65 or older. The average household size was 2.16, and the average family size was 2.84.<ref name="Census 2010 DP"/>

Boulder's population is younger than the national average, largely due to the presence of university students. The median age at the 2010 census was 28.7 years compared to the U.S. median of 37.2 years. In Boulder, 13.9% of the residents were younger than 18, 29.1% from 18 to 24, 27.6% from 25 to 44, 20.3% from 45 to 64, and 8.9% were 65 or older. For every 100 females, there were 105.5 males. For every 100 females age 18 and older, there were 106.2 males.<ref name="Census 2010 DP"/>

In 2011, the estimated median household income in Boulder was $57,112, and the median family income was $113,681. Male full-time workers had a median income of $71,993 versus $47,574 for females. The per capita income for the city was $37,600. 24.8% of the population and 7.6% of families were below the poverty line. Out of the total population, 17.4% of those under 18 and 6.0% of those 65 and older were living below the poverty line.<ref>{{cite web| url=http://factfinder.census.gov/bkmk/table/1.0/en/ACS/11_1YR/DP03/1600000US0807850| archive-url=https://archive.today/20200212084656/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/11_1YR/DP03/1600000US0807850| url-status=dead| archive-date=February 12, 2020| title=Selected Economic Characteristics: 2011 American Community Survey 1-Year Estimates (DP03): Boulder City, Colorado| publisher=U.S. Census Bureau, American Factfinder| access-date=February 5, 2013}}</ref>