Walnut Creek Flag

Walnut Creek

County Seat:
No
Area (mi²):
19.76
State:
California

Walnut Creek is a city located in Contra Costa County, California. Walnut Creek has a 2026 population of 71,116. Walnut Creek is currently growing at a rate of 0.21% annually and its population has increased by 1.28% since the most recent census, which recorded a population of 70,218 in 2020.

The median household income in Walnut Creek is $130,432 with a poverty rate of 6.38%. The median age in Walnut Creek is 46.8 years: 44.2 years for males, and 49.5 years for females. For every 100 females there are 91.2 males.

71.1K
Total Population
3,599
Density (mi²)
150 0.21%
Growth

Walnut Creek Population

Walnut Creek Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202671,1161500.21%
202570,9661490.21%
202470,8171,0111.45%
202369,8062590.37%
202269,547-426-0.61%
202169,973-245-0.35%
202070,218870.12%
201970,080320.05%
201870,0482930.42%
201769,7553400.49%
201669,4159981.46%
201568,4171,0721.59%
201467,3456871.03%
201366,6587711.17%
201265,8876641.02%
201165,2238471.32%
201064,3762310.36%
200064,2963,7276.15%
199060,5696,53612.1%
198054,03314,18935.61%
197039,84429,941302.34%
19609,9037,483309.21%
19502,42084253.36%
19401,57856455.62%
19301,01447688.48%
1920538444472.34%
188094-71,471-99.87%

Median Age

Overall: 46.8 years
Female: 49.5 years
Male: 44.2 years

Walnut Creek Adults

There are 59,241 adults, (20,671 of whom are seniors) in Walnut Creek.

Sex Ratio

Female: 36,660 (52.3%)
Male: 33,428 (47.7%)

Demographics

The racial composition of Walnut Creek includes 63.96% White, 17.27% Asian, 3.38% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White44,82863.96%
Asian12,10117.27%
Two or more races9,03612.89%
Other race2,3723.38%
Black or African American1,3201.88%
Native American3430.49%
Native Hawaiian or Pacific Islander880.13%
Race
Population ↓
Percentage (of total)
Two or more races4,4806.39%
White1,8632.66%
Other race1,8462.63%
Native American2420.35%
Asian1450.21%
Black or African American750.11%
Native Hawaiian or Pacific Islander410.06%
Race
Population ↓
Percentage (of total)
White42,96561.3%
Asian11,95617.06%
Two or more races4,5566.5%
Black or African American1,2451.78%
Other race5260.75%
Native American1010.14%
Native Hawaiian or Pacific Islander470.07%

Walnut Creek Marital Status

Economics and Income Statistics

Walnut Creek 's average per capita income is $91,114. Household income levels show a median of $130,432. The poverty rate stands at 6.38%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$207,882-
Families$179,696$228,092
Households$130,432$179,868
Non Families$86,426$118,390

$91,114

Average Income

$130,432

Median Household Income

6.38%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)