Editing Walnut Creek, California (section)

== Demographics ==

{{US Census population
|1880= 94
|1920= 538
|1930= 1014
|1940= 1578
|1950= 2420
|1960= 9903
|1970= 39844
|1980= 54033
|1990= 60569
|2000= 64296
|2010= 64173
|2020= 70127
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|access-date=June 4, 2015 }}</ref>
}}

The [[2020 United States census]] reported that Walnut Creek had a population of 70,127. The population density was {{convert|3,548.9|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Walnut Creek was 66.3% [[White Americans|White]], 2.2% [[African Americans|African American]], 0.3% [[Native Americans in the United States|Native American]], 16.7% [[Asian Americans|Asian]], 0.2% [[Pacific Islander Americans|Pacific Islander]], 3.5% from [[Race (United States Census)|other races]], and 10.9% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] of any race were 10.4% of the population.

The census reported that 98.7% of the population lived in households, 0.4% lived in non-institutionalized group quarters, and 0.9% were institutionalized.

There were 32,246 households, out of which 21.8% included children under the age of 18, 46.4% were married-couple households, 5.2% were [[cohabitation|cohabiting]] couple households, 32.8% had a female householder with no partner present, and 15.7% had a male householder with no partner present. 36.6% of households were one person, and 22.2% were one person aged 65 or older. The average household size was 2.15. There were 18,187 [[family (U.S. Census)|families]] (56.4% of all households).

The age distribution was 17.0% under the age of 18, 5.1% aged 18 to 24, 25.1% aged 25 to 44, 23.8% aged 45 to 64, and 29.1% who were 65{{nbsp}}years of age or older. The median age was 47.5{{nbsp}}years. For every 100 females, there were 86.0 males.

There were 34,251 housing units at an average density of {{convert|1,733.4|/mi2|/km2|disp=preunit|units&nbsp;|units|}}, of which 32,246 (94.1%) were occupied. Of these, 64.3% were owner-occupied, and 35.7% were occupied by renters.<ref>{{cite web |title=Walnut Creek city, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing |url=https://data.census.gov/table/DECENNIALDP2020.DP1?g=1600000US0683346 |website=US Census Bureau |access-date=March 28, 2025}}</ref><ref>{{cite web |title=Walnut Creek city, California; P16: Household Type - 2020 Census of Population and Housing |url=https://data.census.gov/table/DECENNIALDHC2020.P16?g=1600000US0683346 |website=US Census Bureau |access-date=March 28, 2025}}</ref>

{|
|-
|align="left" |
{| 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=Bay Area Census|website=www.bayareacensus.ca.gov}}</ref>
! 2010
|-
|align="left" | Total Population || 64,173{{snds}}100.0%
|-
|align="left" | One Race || 61,453{{snds}}95.8%
|-
|align="left" | Not Hispanic or Latino || 58,633{{snds}}91.4%
|-
|align="left" | White alone || 47,170{{snds}}73.5%
|-
|align="left" | Black or African American alone || 996{{snds}}1.6%
|-
|align="left" | American Indian and Alaska Native alone || 99{{snds}}0.2%
|-
|align="left" | Asian alone || 7,955{{snds}}12.4%
|-
|align="left" | Native Hawaiian and Other Pacific Islander alone || 114{{snds}}0.2%
|-
|align="left" | Some other race alone || 148{{snds}}0.2%
|-
|align="left" | Two or more races alone || 2,152{{snds}}3.4%
|-
|align="left" | Hispanic or Latino (of any race) || 5,540{{snds}}8.6%
|}
|}