Santa Clara County Demographics

A map of Santa Clara County's Population by Race

Santa Clara County, California had a population of 1,936,259 in 2020. It was 28.7% White, 2.2% Black, 38.9% Asian, 25.2% Hispanic, 1.0% Native American/Other, and 4.0% Multiracial. This map presents the population of Santa Clara County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Santa Clara County is the 6th most populous county of the 58 counties in California.

Santa Clara County's White Population

555,708 residents of Santa Clara County identify as White, or 28.7%. This makes the White share of the population of Santa Clara County slightly less than the White share of the population of California (34.7% White). Of the 58 counties in California, Santa Clara County is ranked #49 in terms of White residents as a share of the population.

Santa Clara County is more White than neighboring Alameda County (28.1% White). Santa Clara County is less White than neighboring Santa Cruz County (53.7% White), San Mateo County (36.1% White), Contra Costa County (39.1% White), and Stanislaus County (37.6% White).

Santa Clara County's Black Population

42,148 residents of Santa Clara County identify as Black, or 2.2%. This makes the Black share of the population of Santa Clara County roughly similar to the Black share of the population of California (5.4% Black). Of the 58 counties in California, Santa Clara County is ranked #23 in terms of Black residents as a share of the population.

Santa Clara County is more Black than neighboring Santa Cruz County (1.1% Black), and San Mateo County (1.9% Black). Santa Clara County is less Black than neighboring Alameda County (9.5% Black), Contra Costa County (8.4% Black), and Stanislaus County (2.6% Black).

Santa Clara County's Asian Population

753,399 residents of Santa Clara County identify as Asian, or 38.9%. This makes the Asian share of the population of Santa Clara County considerably larger than the Asian share of the population of California (15.1% Asian). Of the 58 counties in California, Santa Clara County is ranked #1 in terms of Asian residents as a share of the population.

Santa Clara County is more Asian than neighboring Santa Cruz County (4.5% Asian), Alameda County (32.1% Asian), San Mateo County (29.8% Asian), Contra Costa County (18.4% Asian), and Stanislaus County (6% Asian).

Santa Clara County's Hispanic Population

487,357 residents of Santa Clara County identify as Hispanic, or 25.2%. This makes the Hispanic share of the population of Santa Clara County less than the Hispanic share of the population of California (39.4% Hispanic). Of the 58 counties in California, Santa Clara County is ranked #32 in terms of Hispanic residents as a share of the population.

Santa Clara County is more Hispanic than neighboring Alameda County (23.4% Hispanic), and San Mateo County (25% Hispanic). Santa Clara County is less Hispanic than neighboring Santa Cruz County (34.8% Hispanic), Contra Costa County (27% Hispanic), and Stanislaus County (48.1% Hispanic).

Santa Clara County's Native American/Other Population

19,380 residents of Santa Clara County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of Santa Clara County roughly similar to the Native American/Other share of the population of California (1.3% Native American/Other). Of the 58 counties in California, Santa Clara County is ranked #55 in terms of Native American/Other residents as a share of the population.

Santa Clara County is less Native American/Other than neighboring Alameda County (1.7% Native American/Other), San Mateo County (2.1% Native American/Other), Contra Costa County (1.4% Native American/Other), and Stanislaus County (1.6% Native American/Other).

Santa Clara County's Multiracial Population

78,267 residents of Santa Clara County identify as Multiracial, or 4.0%. This makes the Multiracial share of the population of Santa Clara County roughly similar to the Multiracial share of the population of California (4.1% Multiracial). Of the 58 counties in California, Santa Clara County is ranked #40 in terms of Multiracial residents as a share of the population.

Santa Clara County is less Multiracial than neighboring Santa Cruz County (4.9% Multiracial), Alameda County (5.3% Multiracial), San Mateo County (5.1% Multiracial), Contra Costa County (5.7% Multiracial), and Stanislaus County (4.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.