San Joaquin, CA Demographics

A map of San Joaquin's Population by Race

San Joaquin, California has an estimated population of 3,708, a less than 1% change from the 3,701 recorded in the 2020 Census. The population is 93.8% Hispanic, 4.5% Black, 1.4% Multiracial, 0.4% White, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of San Joaquin, with one dot drawn for each person counted by the Census, color-coded by race.

San Joaquin 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 San Joaquin, that probability was 8.4% in 2020 and 11.8% in the most recent ACS estimates.

San Joaquin is ranked the 731st 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). San Joaquin was ranked the 727th most populous place in the 2020 Census.

San Joaquin's White Population

13 residents of San Joaquin, or 0.4% of the population, identify as White. The share of White residents in San Joaquin is significantly lower than in California overall, where 33.8% of the population is White. San Joaquin ranks 1565th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Joaquin's White population has declined by an estimated 84.9%. White residents' share of San Joaquin's population has decreased from 2.3% to 0.4%.

San Joaquin is more White than neighboring Westside (0% White), and Three Rocks (0% White). San Joaquin is less White than neighboring Tranquillity (9.7% White), Cantua Creek (1.4% White), and Kerman (12.8% White).

San Joaquin's Black Population

166 residents of San Joaquin, or 4.5% of the population, identify as Black. The share of Black residents in San Joaquin is comparable to the share in California overall, where 5.2% of the population is Black. San Joaquin ranks 781st statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Joaquin's Black population has grown by an estimated 403.0%. Black residents' share of San Joaquin's population has increased from 0.9% to 4.5%.

San Joaquin is more Black than neighboring Tranquillity (0% Black), Cantua Creek (0% Black), Kerman (0.7% Black), Westside (0% Black), and Three Rocks (0% Black).

San Joaquin's Asian Population

0 residents of San Joaquin, or 0.0% of the population, identify as Asian. The share of Asian residents in San Joaquin is significantly lower than in California overall, where 15.3% of the population is Asian. San Joaquin ranks 1410th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

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

San Joaquin is less Asian than neighboring Kerman (7.7% Asian).

San Joaquin's Hispanic Population

3,477 residents of San Joaquin, or 93.8% of the population, identify as Hispanic. The share of Hispanic residents in San Joaquin is significantly higher than in California overall, where 40.2% of the population is Hispanic. San Joaquin ranks 28th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Joaquin's Hispanic population has declined by an estimated 1.8%. Hispanic residents' share of San Joaquin's population has decreased from 95.6% to 93.8%.

San Joaquin is more Hispanic than neighboring Tranquillity (88.6% Hispanic), and Kerman (78.3% Hispanic). San Joaquin is less Hispanic than neighboring Cantua Creek (98.6% Hispanic), Westside (100% Hispanic), and Three Rocks (100% Hispanic).

San Joaquin's Native American/Other Population

0 residents of San Joaquin, 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 San Joaquin is comparable to the share in California overall, where 1.2% of the population is Native American/Other. San Joaquin ranks 1295th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Joaquin's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of San Joaquin's population has decreased from 0.7% to 0.0%.

San Joaquin is less Native American/Other than neighboring Kerman (0.2% Native American/Other).

San Joaquin's Multiracial Population

52 residents of San Joaquin, or 1.4% of the population, identify as Multiracial. The share of Multiracial residents in San Joaquin is slightly lower than in California overall, where 4.4% of the population is Multiracial. San Joaquin ranks 1569th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, San Joaquin's Multiracial population has grown by an estimated 550.0%. Multiracial residents' share of San Joaquin's population has increased from 0.2% to 1.4%.

San Joaquin is more Multiracial than neighboring Cantua Creek (0% Multiracial), Kerman (0.4% Multiracial), Westside (0% Multiracial), and Three Rocks (0% Multiracial). San Joaquin is less Multiracial than neighboring Tranquillity (1.7% 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.