Los Alamos, CA Demographics

A map of Los Alamos's Population by Race

Los Alamos, California has an estimated population of 1,163, a dramatic decrease from the 1,839 recorded in the 2020 Census. The population is 94.7% White, 4.4% Hispanic, 0.9% Asian, 0.0% Black, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Los Alamos, with one dot drawn for each person counted by the Census, color-coded by race.

Los Alamos has become considerably less 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 Los Alamos, that probability was 55.5% in 2020 and 10.2% in the most recent ACS estimates.

Los Alamos is ranked the 1020th 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). Los Alamos was ranked the 923rd most populous place in the 2020 Census.

Los Alamos's White Population

1,101 residents of Los Alamos, or 94.7% of the population, identify as White. The share of White residents in Los Alamos is significantly higher than in California overall, where 33.8% of the population is White. Los Alamos ranks 1028th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's White population has grown by an estimated 37.6%. White residents' share of Los Alamos's population has increased from 43.5% to 94.7%.

Los Alamos is more White than neighboring Sisquoc (58.2% White), Buellton (65.9% White), Mission Hills (41.6% White), and Los Olivos (84.2% White). Los Alamos is less White than neighboring Garey (100% White).

Los Alamos's Black Population

0 residents of Los Alamos, or 0.0% of the population, identify as Black. The share of Black residents in Los Alamos is lower than in California overall, where 5.2% of the population is Black. Los Alamos ranks 1107th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's Black population has declined by an estimated 100.0%. Black residents' share of Los Alamos's population has remained roughly unchanged at 0.0%.

Los Alamos is less Black than neighboring Sisquoc (3.2% Black), Buellton (0.9% Black), Mission Hills (1.6% Black), and Los Olivos (0.7% Black).

Los Alamos's Asian Population

11 residents of Los Alamos, or 0.9% of the population, identify as Asian. The share of Asian residents in Los Alamos is considerably lower than in California overall, where 15.3% of the population is Asian. Los Alamos ranks 1113th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's Asian population has declined by an estimated 45.0%. Asian residents' share of Los Alamos's population has remained roughly unchanged at 0.9%.

Los Alamos is more Asian than neighboring Garey (0% Asian). Los Alamos is less Asian than neighboring Sisquoc (1.3% Asian), Buellton (1.6% Asian), Mission Hills (1.1% Asian), and Los Olivos (2.4% Asian).

Los Alamos's Hispanic Population

51 residents of Los Alamos, or 4.4% of the population, identify as Hispanic. The share of Hispanic residents in Los Alamos is significantly lower than in California overall, where 40.2% of the population is Hispanic. Los Alamos ranks 394th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's Hispanic population has declined by an estimated 94.5%. Hispanic residents' share of Los Alamos's population has decreased from 50.5% to 4.4%.

Los Alamos is more Hispanic than neighboring Garey (0% Hispanic). Los Alamos is less Hispanic than neighboring Sisquoc (31.6% Hispanic), Buellton (26.1% Hispanic), Mission Hills (47.6% Hispanic), and Los Olivos (6.9% Hispanic).

Los Alamos's Native American/Other Population

0 residents of Los Alamos, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Los Alamos is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Los Alamos ranks 519th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Los Alamos's population has decreased from 1.7% to 0.0%.

Los Alamos is less Native American/Other than neighboring Sisquoc (5.7% Native American/Other), Buellton (0.4% Native American/Other), and Mission Hills (3.8% Native American/Other).

Los Alamos's Multiracial Population

0 residents of Los Alamos, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Los Alamos is slightly lower than in California overall, where 4.4% of the population is Multiracial. Los Alamos ranks 1204th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Alamos's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Los Alamos's population has decreased from 2.8% to 0.0%.

Los Alamos is less Multiracial than neighboring Buellton (5% Multiracial), Mission Hills (4.4% Multiracial), and Los Olivos (5.8% 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.