Mariposa County Demographics

A map of Mariposa County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	12,649	12,838	74.0%	74.9%
Hispanic	2,508	2,140	14.7%	12.5%
Multiracial	995	1,222	5.8%	7.1%
Native American/Other	454	539	2.7%	3.1%
Asian	322	287	1.9%	1.7%
Black	154	105	0.9%	0.6%

Mariposa County, California has an estimated population of 17,082, a less than 1% change from the 17,131 recorded in the 2020 Census. The population is 74.0% White, 14.7% Hispanic, 5.8% Multiracial, 2.7% Native American/Other, 1.9% Asian, and 0.9% Black. This demographic dot map shows the population of Mariposa County, with one dot drawn for each person counted by the Census, color-coded by race.

Mariposa has become slightly 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 Mariposa County, that probability was 41.6% in 2020 and 42.6% in the most recent ACS estimates.

Mariposa County is ranked the 53rd most populous county in California, out of 58 counties. Mariposa County was ranked the 53rd most populous county in the 2020 Census.

Mariposa County's White Population

12,649 residents of Mariposa County, or 74.0% of the population, identify as White. The share of White residents in Mariposa County is significantly higher than in California overall, where 33.8% of the population is White. Mariposa County ranks 7th statewide in terms of White residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's White population has declined by an estimated 1.5%. White residents' share of Mariposa County's population has decreased from 74.9% to 74.0%.

Mariposa County is more White than neighboring Madera County (29.9% White), Fresno County (26.2% White), and Merced County (23.2% White). Mariposa County is less White than neighboring Tuolumne County (78% White), and Calaveras County (76.4% White).

Mariposa County's Black Population

154 residents of Mariposa County, or 0.9% of the population, identify as Black. The share of Black residents in Mariposa County is slightly lower than in California overall, where 5.2% of the population is Black. Mariposa County ranks 50th statewide in terms of Black residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's Black population has grown by an estimated 46.7%. Black residents' share of Mariposa County's population has remained roughly unchanged at 0.9%.

Mariposa County is less Black than neighboring Madera County (2.4% Black), Tuolumne County (1.8% Black), Fresno County (4.2% Black), Calaveras County (1% Black), and Merced County (2.6% Black).

Mariposa County's Asian Population

322 residents of Mariposa County, or 1.9% of the population, identify as Asian. The share of Asian residents in Mariposa County is considerably lower than in California overall, where 15.3% of the population is Asian. Mariposa County ranks 43rd statewide in terms of Asian residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's Asian population has grown by an estimated 12.2%. Asian residents' share of Mariposa County's population has remained roughly unchanged at 1.9%.

Mariposa County is more Asian than neighboring Tuolumne County (1.5% Asian). Mariposa County is less Asian than neighboring Madera County (2.4% Asian), Fresno County (10.9% Asian), Calaveras County (2.2% Asian), and Merced County (7.1% Asian).

Mariposa County's Hispanic Population

2,508 residents of Mariposa County, or 14.7% of the population, identify as Hispanic. The share of Hispanic residents in Mariposa County is significantly lower than in California overall, where 40.2% of the population is Hispanic. Mariposa County ranks 52nd statewide in terms of Hispanic residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's Hispanic population has grown by an estimated 17.2%. Hispanic residents' share of Mariposa County's population has increased from 12.5% to 14.7%.

Mariposa County is more Hispanic than neighboring Tuolumne County (13.6% Hispanic), and Calaveras County (14.5% Hispanic). Mariposa County is less Hispanic than neighboring Madera County (60.9% Hispanic), Fresno County (54.5% Hispanic), and Merced County (63.4% Hispanic).

Mariposa County's Native American/Other Population

454 residents of Mariposa County, or 2.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mariposa County is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Mariposa County ranks 11th statewide in terms of Native American/Other residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's Native American/Other population has declined by an estimated 15.8%. Native American/Other residents' share of Mariposa County's population has remained roughly unchanged at 2.7%.

Mariposa County is more Native American/Other than neighboring Madera County (1% Native American/Other), Tuolumne County (1.4% Native American/Other), Fresno County (0.9% Native American/Other), Calaveras County (1.2% Native American/Other), and Merced County (0.9% Native American/Other).

Mariposa County's Multiracial Population

995 residents of Mariposa County, or 5.8% of the population, identify as Multiracial. The share of Multiracial residents in Mariposa County is comparable to the share in California overall, where 4.4% of the population is Multiracial. Mariposa County ranks 4th statewide in terms of Multiracial residents as a share of the population, out of 58 counties.

Since the 2020 Census, Mariposa County's Multiracial population has declined by an estimated 18.6%. Multiracial residents' share of Mariposa County's population has decreased from 7.1% to 5.8%.

Mariposa County is more Multiracial than neighboring Madera County (3.4% Multiracial), Tuolumne County (3.8% Multiracial), Fresno County (3.2% Multiracial), Calaveras County (4.6% Multiracial), and Merced County (2.9% 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.