Editing Rio del Mar, California (section)

==Demographics==
{{US Census population
|2000= 9198
|2010= 9216
|2020= 9128
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web |url=https://www.census.gov/quickfacts/oaklandcitycalifornia|title=US Census Quick Facts of Oakland (using 2020 data)|publisher=Census.gov|access-date=August 12, 2021 }}</ref>
}}

===2010===
At the [[2010 United States Census|2010 census]] Rio del Mar had a population of 9,216. The population density was {{convert|1,998.3|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Rio del Mar was 8,310 (90.2%) White, 61 (0.7%) African American, 50 (0.5%) Native American, 313 (3.4%) Asian, 7 (0.1%) Pacific Islander, 188 (2.0%) from other races, and 287 (3.1%) from two or more races. Hispanic or Latino of any race were 899 people (9.8%).<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0660928|archive-url=https://archive.today/20140715032734/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0660928|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA – Rio del Mar CDP|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref>

The census reported that 9,210 people (99.9% of the population) lived in households, 6 (0.1%) lived in non-institutionalized group quarters, and no one was institutionalized.

There were 3,916 households, 1,050 (26.8%) had children under the age of 18 living in them, 2,082 (53.2%) were [[marriage|opposite-sex married couples]] living together, 337 (8.6%) had a female householder with no husband present, 139 (3.5%) had a male householder with no wife present. There were 228 (5.8%) [[POSSLQ|unmarried opposite-sex partnerships]], and 32 (0.8%) [[same-sex partnerships|same-sex married couples or partnerships]]. 1,008 households (25.7%) were one person and 486 (12.4%) had someone living alone who was 65 or older. The average household size was 2.35. There were 2,558 families (65.3% of households); the average family size was 2.82.

The age distribution was 1,820 people (19.7%) under the age of 18, 549 people (6.0%) aged 18 to 24, 1,932 people (21.0%) aged 25 to 44, 3,221 people (35.0%) aged 45 to 64, and 1,694 people (18.4%) who were 65 or older. The median age was 47.0 years. For every 100 females, there were 92.6 males. For every 100 females age 18 and over, there were 90.2 males.

There were 4,924 housing units at an average density of 1,067.6 per square mile, of the occupied units 2,848 (72.7%) were owner-occupied and 1,068 (27.3%) were rented. The homeowner vacancy rate was 1.9%; the rental vacancy rate was 8.4%. 6,686 people (72.5% of the population) lived in owner-occupied housing units and 2,524 people (27.4%) lived in rental housing units.

===2000===

At the [[2000 United States Census|2000 census]] there were 9,198 people, 4,008 households, and 2,549 families in the CDP. The population density was {{convert|3,077.3|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 5,022 housing units at an average density of {{convert|1,680.2|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The [[Race and ethnicity in the United States Census#2000 census|racial makeup]] of the CDP was 91.74% White, 0.61% African American, 0.53% Native American, 2.58% Asian, 0.16% Pacific Islander, 1.87% from other races, and 2.51% from two or more races. Hispanic or Latino of any race were 6.46%.<ref name="GR2">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=2008-01-31|title=U.S. Census website}}</ref>

Of the 4,008 households 25.4% had children under the age of 18 living with them, 53.0% were married couples living together, 7.4% had a female householder with no husband present, and 36.4% were non-families. 26.0% of households were one person and 10.4% were one person aged 65 or older. The average household size was 2.29 and the average family size was 2.74.

The age distribution was 19.2% under the age of 18, 5.8% from 18 to 24, 26.8% from 25 to 44, 31.9% from 45 to 64, and 16.3% 65 or older. The median age was 44 years. For every 100 females, there were 92.3 males. For every 100 females age 18 and over, there were 90.9 males.

The median household income was $75,282 and the median family income was $85,355. Males had a median income of $70,612 versus $41,449 for females. The per capita income for the CDP was $39,034. About 3.1% of families and 6.3% of the population were below the [[poverty line]], including 4.5% of those under age 18 and 4.6% of those age 65 or over.