Demographics of Atherton town, California

Atherton town, California had 6,960 people on July 1, 2025, by the Census Bureau’s estimate: −203 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Atherton town, in four figures

6,960
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 6,993 ±21.; −2.8%
Change since July 2020: −203 people.; 49.1 ±2.7
Median age: ACS 2020–⁠2024.; At the edge of the top or bottom interval
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.

Atherton town, California's population shrank 2.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Atherton town, 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).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Atherton town, California's population shrank 2.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Atherton town, 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	7,163	100.0	100.0
2021	6,957	97.1	100.2
2022	6,871	95.9	100.7
2023	6,901	96.3	101.6
2024	6,962	97.2	102.5
2025	6,960	97.2	103.1

Population of Atherton town, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	7,163	—
2021	6,957	−206
2022	6,871	−86
2023	6,901	+30
2024	6,962	+61
2025	6,960	−2

Age, 2020–2024

The median age is 49.1 ±2.7: for men 44.5 ±9.0 and for women 52.0 ±2.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Atherton town by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	147 ±61	2.1% ±0.9	5.5% ±<0.1	5.6% ±<0.1
5 to 17	1,139 ±203	16.3% ±2.9	16.5% ±<0.1	16.3% ±<0.1
18 to 24	1,092 ±224	15.6% ±3.2	9.1% ±<0.1	9.1% ±<0.1
25 to 44	796 ±177	11.4% ±2.5	28.7% ±<0.1	26.9% ±<0.1
45 to 64	2,026 ±255	29.0% ±3.6	24.6% ±<0.1	24.8% ±<0.1
65 and over	1,793 ±270	25.6% ±3.9	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is At the edge of the top or bottom interval, and income per person $188,631 ±$22,223, 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 Atherton town by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	162 ±78	7.3% ±3.5	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	15 to 93	0.7% to 4.2%	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	0 to 83	0% to 3.7%	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	38 to 170	1.7% to 7.6%	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	257 ±106	11.5% ±4.7	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	151 ±56	6.8% ±2.5	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	1,458 ±136	65.5% ±4.9	20.5% ±0.1	13.4% ±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%.

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 Atherton town by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	121 to 559	1.9% to 8.7%	12.0% ±0.1	12.5% ±0.1
Under 18	0 to 207	0% to 16.2%	15.0% ±0.1	16.1% ±0.1
18 to 59	37 to 203	1.3% to 6.8%	11.0% ±0.1	11.6% ±0.1
60 and over	45 to 189	2.2% to 8.5%	11.5% ±0.1	11.0% ±<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%.

Housing, 2020–2024

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Housing in Atherton town, ACS 2020–2024
Measure	Atherton town	California	United States
Housing units	2,667 ±176	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	83.5% ±7.3	92.5% ±0.1	89.9% ±0.1
Vacant	16.5% ±5.1	7.5% ±0.1	10.1% ±0.1
Owner occupied	87.6% ±4.0	55.9% ±0.3	65.2% ±0.3
Renter occupied	6.2% to 18.7%	44.1% ±0.2	34.8% ±0.1
Median home value	At the edge of the top or bottom interval	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	At the edge of the top or bottom interval	$2,036 ±$5	$1,413 ±$2
Median year built	1960 ±5	1976 ±1	1980 ±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%.

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 Atherton town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	992 ±323	14.2% ±4.6	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,338 ±367	62.0% ±5.2	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	5 to 123	0.1% to 1.8%	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,256 ±304	18.0% ±4.3	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 8	0% to 0.1%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 19	0% to 0.3%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 64	0% to 0.9%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	314 ±130	4.5% ±1.9	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 Atherton town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	3,205 ±271	45.8% ±3.9	56.5% ±0.1	57.3% ±<0.1
Born in another state	2,209 ±238	31.6% ±3.4	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	142 ±69	2.0% ±1.0	1.5% ±<0.1	1.7% ±<0.1
Born abroad	1,437 ±221	20.5% ±3.2	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	899 ±152	12.9% ±2.2	14.7% ±0.1	7.4% ±<0.1
Not citizens	538 ±159	7.7% ±2.3	12.3% ±0.1	6.8% ±<0.1

Atherton town among the places of California

580th 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 Atherton town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Oceano CDP	7,128 ±951
Taft city	7,125 ±17
Fowler city	7,094 ±25
Piñon Hills CDP	7,065 ±873
Fort Bragg city	7,032 ±37
Atherton town	6,993 ±21
Silver Lakes CDP	6,977 ±1,110
San Martin CDP	6,954 ±805
Kentfield CDP	6,900 ±630
Contra Costa Centre CDP	6,893 ±729
Mira Monte CDP	6,888 ±1,006

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

Data retrieved September 25, 2026