Demographics of Walnut Creek city, California

Walnut Creek city, California had 70,012 people on July 1, 2025, by the Census Bureau’s estimate: −211 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Walnut Creek city, in four figures

70,012
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 70,088 ±67.; −0.3%
Change since July 2020: −211 people.; 46.8 ±1.4
Median age: ACS 2020–⁠2024.; $130,432 ±$8,895
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Walnut Creek city, California's population shrank 0.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Walnut Creek city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Walnut Creek city, California's population shrank 0.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Walnut Creek city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	70,223	100.0	100.0
2021	70,002	99.7	100.2
2022	69,541	99.0	100.7
2023	69,789	99.4	101.6
2024	70,285	100.1	102.5
2025	70,012	99.7	103.1

Population of Walnut Creek city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	70,223	—
2021	70,002	−221
2022	69,541	−461
2023	69,789	+248
2024	70,285	+496
2025	70,012	−273

Age, 2020–2024

The median age is 46.8 ±1.4: for men 44.2 ±1.8 and for women 49.5 ±1.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Walnut Creek city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	3,016 ±458	4.3% ±0.7	5.5% ±<0.1	5.6% ±<0.1
5 to 17	7,831 ±658	11.2% ±0.9	16.5% ±<0.1	16.3% ±<0.1
18 to 24	4,011 ±597	5.7% ±0.9	9.1% ±<0.1	9.1% ±<0.1
25 to 44	18,522 ±1,052	26.4% ±1.5	28.7% ±<0.1	26.9% ±<0.1
45 to 64	16,037 ±902	22.9% ±1.3	24.6% ±<0.1	24.8% ±<0.1
65 and over	20,671 ±1,100	29.5% ±1.6	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $130,432 ±$8,895, and income per person $85,521 ±$4,061, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Walnut Creek city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	2,705 ±459	8.2% ±1.4	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	3,589 ±571	10.9% ±1.7	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	3,093 ±456	9.4% ±1.4	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	3,365 ±403	10.2% ±1.2	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	5,282 ±524	16.0% ±1.5	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	4,248 ±539	12.8% ±1.6	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	10,790 ±597	32.6% ±1.6	20.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Walnut Creek city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	4,421 ±836	6.4% ±1.2	12.0% ±0.1	12.5% ±0.1
Under 18	962 ±317	9.0% ±2.9	15.0% ±0.1	16.1% ±0.1
18 to 59	1,974 ±442	5.7% ±1.3	11.0% ±0.1	11.6% ±0.1
60 and over	1,485 ±320	6.2% ±1.3	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Walnut Creek city, ACS 2020–2024
Measure	Walnut Creek city	California	United States
Housing units	34,389 ±779	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	96.2% ±0.6	92.5% ±0.1	89.9% ±0.1
Vacant	3.8% ±1.0	7.5% ±0.1	10.1% ±0.1
Owner occupied	64.4% ±1.8	55.9% ±0.3	65.2% ±0.3
Renter occupied	35.6% ±1.7	44.1% ±0.2	34.8% ±0.1
Median home value	$1,057,300 ±$37,144	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$2,680 ±$111	$2,036 ±$5	$1,413 ±$2
Median year built	1974 ±2	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Walnut Creek city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	8,692 ±935	12.4% ±1.3	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	42,965 ±1,513	61.3% ±2.2	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	1,245 ±344	1.8% ±0.5	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	11,956 ±1,220	17.1% ±1.7	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	40 to 162	0.1% to 0.2%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	3 to 91	< 0.1% to 0.1%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	218 to 834	0.3% to 1.2%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	4,556 ±913	6.5% ±1.3	4.4% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Walnut Creek city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	33,288 ±1,283	47.5% ±1.8	56.5% ±0.1	57.3% ±<0.1
Born in another state	18,184 ±1,077	25.9% ±1.5	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	1,545 ±379	2.2% ±0.5	1.5% ±<0.1	1.7% ±<0.1
Born abroad	17,071 ±1,102	24.4% ±1.6	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	10,812 ±755	15.4% ±1.1	14.7% ±0.1	7.4% ±<0.1
Not citizens	6,259 ±882	8.9% ±1.3	12.3% ±0.1	6.8% ±<0.1

Walnut Creek city among the places of California

130th of 661 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the California page.

Places of California near Walnut Creek city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Tulare city	70,945 ±42
Dublin city	70,803 ±52
Eastvale city	70,633 ±47
Camarillo city	70,186 ±51
Baldwin Park city	70,138 ±39
Walnut Creek city	70,088 ±67
Yuba City city	69,471 ±40
Redondo Beach city	69,291 ±43
Madera city	67,831 ±42
Lodi city	67,607 ±52
Union City city	67,464 ±72

Elsewhere on the site

Reported crime in Walnut Creek city, California

Rankings this appears in

No. 29 Places in California by median age
No. 34 Places in California by median rent
No. 43 Places in California by per capita income
No. 69 Places by median rent
No. 76 Places in California by median home value
No. 80 Places in California by median household income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026