Atherton, CA Demographics

A map of Atherton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,338	4,731	62.0%	65.8%
Asian	1,256	1,404	18.0%	19.5%
Hispanic	992	484	14.2%	6.7%
Multiracial	314	398	4.5%	5.5%
Black	64	94	0.9%	1.3%
Native American/Other	29	77	0.4%	1.1%

Atherton, California has an estimated population of 6,993, a slight decrease from the 7,188 recorded in the 2020 Census. The population is 62.0% White, 18.0% Asian, 14.2% Hispanic, 4.5% Multiracial, 0.9% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Atherton, with one dot drawn for each person counted by the Census, color-coded by race.

Atherton has become more racially diverse since the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Atherton, that probability was 52.1% in 2020 and 56.1% in the most recent ACS estimates.

Atherton is ranked the 581st most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Atherton was ranked the 569th most populous place in the 2020 Census.

Atherton's White Population

4,338 residents of Atherton, or 62.0% of the population, identify as White. The share of White residents in Atherton is significantly higher than in California overall, where 33.8% of the population is White. Atherton ranks 651st statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's White population has declined by an estimated 8.3%. White residents' share of Atherton's population has decreased from 65.8% to 62.0%.

Atherton is more White than neighboring North Fair Oaks (18.4% White), Stanford (43.8% White), and Menlo Park (51.6% White). Atherton is less White than neighboring West Menlo Park (66.3% White), and Ladera (83.1% White).

Atherton's Black Population

64 residents of Atherton, or 0.9% of the population, identify as Black. The share of Black residents in Atherton is slightly lower than in California overall, where 5.2% of the population is Black. Atherton ranks 616th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's Black population has declined by an estimated 31.9%. Black residents' share of Atherton's population has remained roughly unchanged at 0.9%.

Atherton is more Black than neighboring West Menlo Park (0.1% Black), North Fair Oaks (0.8% Black), and Ladera (0% Black). Atherton is less Black than neighboring Stanford (3.9% Black), and Menlo Park (2.1% Black).

Atherton's Asian Population

1,256 residents of Atherton, or 18.0% of the population, identify as Asian. The share of Asian residents in Atherton is slightly higher than in California overall, where 15.3% of the population is Asian. Atherton ranks 138th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's Asian population has declined by an estimated 10.5%. Asian residents' share of Atherton's population has decreased from 19.5% to 18.0%.

Atherton is more Asian than neighboring North Fair Oaks (6.2% Asian), and Ladera (7.1% Asian). Atherton is less Asian than neighboring West Menlo Park (18.7% Asian), Stanford (28.3% Asian), and Menlo Park (18.7% Asian).

Atherton's Hispanic Population

992 residents of Atherton, or 14.2% of the population, identify as Hispanic. The share of Hispanic residents in Atherton is significantly lower than in California overall, where 40.2% of the population is Hispanic. Atherton ranks 1466th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's Hispanic population has grown by an estimated 105.0%. Hispanic residents' share of Atherton's population has increased from 6.7% to 14.2%.

Atherton is more Hispanic than neighboring West Menlo Park (7.1% Hispanic), and Ladera (1.5% Hispanic). Atherton is less Hispanic than neighboring North Fair Oaks (72.1% Hispanic), Stanford (15.6% Hispanic), and Menlo Park (20.9% Hispanic).

Atherton's Native American/Other Population

29 residents of Atherton, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Atherton is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Atherton ranks 941st statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's Native American/Other population has declined by an estimated 62.3%. Native American/Other residents' share of Atherton's population has decreased from 1.1% to 0.4%.

Atherton is more Native American/Other than neighboring West Menlo Park (0.1% Native American/Other), North Fair Oaks (0.1% Native American/Other), and Ladera (0% Native American/Other). Atherton is less Native American/Other than neighboring Stanford (1.3% Native American/Other), and Menlo Park (0.9% Native American/Other).

Atherton's Multiracial Population

314 residents of Atherton, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Atherton is comparable to the share in California overall, where 4.4% of the population is Multiracial. Atherton ranks 592nd statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Atherton's Multiracial population has declined by an estimated 21.1%. Multiracial residents' share of Atherton's population has decreased from 5.5% to 4.5%.

Atherton is more Multiracial than neighboring North Fair Oaks (2.5% Multiracial). Atherton is less Multiracial than neighboring West Menlo Park (7.8% Multiracial), Stanford (7.1% Multiracial), Ladera (8.2% Multiracial), and Menlo Park (5.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.