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 2025 population of 68,456. Walnut Creek is currently declining at a rate of -0.51% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 70,196 in 2020.

The average household income in Walnut Creek is $179,232 with a poverty rate of 5.95%.The median age in Walnut Creek is 46.1 years: 43.4 years for males, and 49.3 years for females.

68.5K
Total Population
3,464
Density (mi²)
-348 -0.51%
Growth

Walnut Creek Population

Walnut Creek Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Walnut Creek includes 65.04% White, 16.68% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White45,39365.04%
Asian11,64416.68%
Two or more races8,52412.21%
Other race1,9432.78%
Black or African American1,6512.37%
Native American4000.57%
Native Hawaiian or Pacific Islander2350.34%

Walnut Creek Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Walnut Creek's average per capita income is $89,799. Household income levels show a median of $135,665. The poverty rate stands at 5.95%.

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$200,038-
Families$173,635$222,587
Households$135,665$179,232
Non Families$86,815$119,299

$89,799

Average Income

$135,665

Median Household Income

5.95%

Poverty Rate

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)