Los Altos, CA Demographics

A map of Los Altos's Population by Race

Los Altos, California has an estimated population of 30,698, a slight decrease from the 31,625 recorded in the 2020 Census. The population is 49.5% White, 38.9% Asian, 6.1% Hispanic, 4.4% Multiracial, 1.0% Native American/Other, and 0.1% Black. This demographic dot map shows the population of Los Altos, with one dot drawn for each person counted by the Census, color-coded by race.

Los Altos is about as racially diverse as it was in 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 Altos, that probability was 59.3% in 2020 and 59.8% in the most recent ACS estimates.

Los Altos is ranked the 266th 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 Altos was ranked the 260th most populous place in the 2020 Census.

Los Altos's White Population

15,196 residents of Los Altos, or 49.5% of the population, identify as White. The share of White residents in Los Altos is significantly higher than in California overall, where 33.8% of the population is White. Los Altos ranks 901st statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's White population has declined by an estimated 8.6%. White residents' share of Los Altos's population has decreased from 52.6% to 49.5%.

Los Altos is more White than neighboring Mountain View (37.4% White), Los Altos Hills (47.2% White), Palo Alto (45% White), and Cupertino (20.4% White). Los Altos is less White than neighboring Loyola (55% White).

Los Altos's Black Population

31 residents of Los Altos, or 0.1% of the population, identify as Black. The share of Black residents in Los Altos is lower than in California overall, where 5.2% of the population is Black. Los Altos ranks 1009th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's Black population has declined by an estimated 82.5%. Black residents' share of Los Altos's population has decreased from 0.6% to 0.1%.

Los Altos is less Black than neighboring Loyola (1.1% Black), Mountain View (2.4% Black), Los Altos Hills (0.3% Black), Palo Alto (1.8% Black), and Cupertino (0.5% Black).

Los Altos's Asian Population

11,940 residents of Los Altos, or 38.9% of the population, identify as Asian. The share of Asian residents in Los Altos is significantly higher than in California overall, where 15.3% of the population is Asian. Los Altos ranks 56th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's Asian population has grown by an estimated 7.1%. Asian residents' share of Los Altos's population has increased from 35.2% to 38.9%.

Los Altos is more Asian than neighboring Loyola (35.9% Asian), Mountain View (36.3% Asian), and Palo Alto (38.1% Asian). Los Altos is less Asian than neighboring Los Altos Hills (40.9% Asian), and Cupertino (70.8% Asian).

Los Altos's Hispanic Population

1,865 residents of Los Altos, or 6.1% of the population, identify as Hispanic. The share of Hispanic residents in Los Altos is significantly lower than in California overall, where 40.2% of the population is Hispanic. Los Altos ranks 1540th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's Hispanic population has grown by an estimated 21.3%. Hispanic residents' share of Los Altos's population has increased from 4.9% to 6.1%.

Los Altos is more Hispanic than neighboring Loyola (3.1% Hispanic), Los Altos Hills (4.1% Hispanic), and Cupertino (4.4% Hispanic). Los Altos is less Hispanic than neighboring Mountain View (17.5% Hispanic), and Palo Alto (7.9% Hispanic).

Los Altos's Native American/Other Population

310 residents of Los Altos, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Los Altos is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Los Altos ranks 1217th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's Native American/Other population has grown by an estimated 22.5%. Native American/Other residents' share of Los Altos's population has remained roughly unchanged at 1.0%.

Los Altos is more Native American/Other than neighboring Loyola (0.2% Native American/Other), Mountain View (0.4% Native American/Other), Palo Alto (0.7% Native American/Other), and Cupertino (0.7% Native American/Other). Los Altos is less Native American/Other than neighboring Los Altos Hills (3% Native American/Other).

Los Altos's Multiracial Population

1,356 residents of Los Altos, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Los Altos is comparable to the share in California overall, where 4.4% of the population is Multiracial. Los Altos ranks 484th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Los Altos's Multiracial population has declined by an estimated 27.9%. Multiracial residents' share of Los Altos's population has decreased from 6.0% to 4.4%.

Los Altos is more Multiracial than neighboring Cupertino (3.1% Multiracial). Los Altos is less Multiracial than neighboring Loyola (4.7% Multiracial), Mountain View (6% Multiracial), and Palo Alto (6.5% 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.