Walnut Creek Population

1880–2026

70,027

2026 projection

0.3% since 2020 (decrease)

020K40K60K80K18801900192019401960198020002020

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.
202670,027+150.02%
202570,012-2730.39%
202470,285+4960.71%
202369,789+2480.36%
202269,541-4610.66%
202170,002-2210.31%
202070,223+1430.20%
201970,080+320.05%
201870,048+2930.42%
201769,755+3400.49%

Showing 10 of 27 years.

Walnut Creek Demographics

46.8median age

Median age

Female49.5 yrs
Male44.2 yrs

Adults

59,241
20,671 seniors · 35%38,570 other adults

Sex

Female 52.3% · 36,660Male 47.7% · 33,428

Population by age

MaleFemale85+ years, male: 1,45785+ years, female: 2,60680–84 years, male: 1,34680–84 years, female: 1,63575–79 years, male: 1,49675–79 years, female: 2,40870–74 years, male: 2,13170–74 years, female: 2,68465–69 years, male: 2,12065–69 years, female: 2,78860–64 years, male: 1,78760–64 years, female: 1,84355–59 years, male: 2,24455–59 years, female: 2,09950–54 years, male: 1,88850–54 years, female: 2,04945–49 years, male: 1,94945–49 years, female: 2,17840–44 years, male: 2,02840–44 years, female: 2,13835–39 years, male: 2,11935–39 years, female: 2,25630–34 years, male: 2,91330–34 years, female: 2,33125–29 years, male: 2,30725–29 years, female: 2,43020–24 years, male: 1,41620–24 years, female: 1,89315–19 years, male: 1,23115–19 years, female: 1,14610–14 years, male: 1,62610–14 years, female: 1,1025–9 years, male: 1,7865–9 years, female: 1,6420–4 years, male: 1,5840–4 years, female: 1,43285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 701 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

$130,432median household income

Median household income

$130,432

Half of households earn more, half earn less

Median earnings

$91,114

Typical yearly pay for a worker 25 or older.

Poverty rate

6.4%

About 1 in 16 residents

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

Walnut Creek Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%58%48%
Never married28%31%26%
Divorced10%7%12%
Widowed8%3%13%
Separated1%1%2%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year