Walnut Creek Population

2010–2026

1,126

2026 projection

4.4% since 2020 (increase)

02004006008001K1.2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Walnut Creek. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,126+70.63%
20251,119+90.81%
20241,110+151.37%
20231,095+111.01%
20221,084+80.74%
20211,076-30.28%
20201,079+21524.88%
2019864+10.12%
2018863+10.12%
2017862-20.23%

Showing 10 of 17 years.

Walnut Creek Demographics

42.3median age

Median age

Female51 yrs
Male39.8 yrs

Adults

1,046
266 seniors · 25%780 other adults

Sex

Female 44.6% · 634Male 55.4% · 788

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 14 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Walnut Creek Income

$166,250median household income

Median household income

$166,250

Half of households earn more, half earn less

Median earnings

$85,926

Typical yearly pay for a worker 25 or older.

Poverty rate

6.6%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Walnut Creek Marital Status

72% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married72%67%77%
Never married19%28%7%
Divorced4%3%6%
Widowed4%<1%9%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201