Tuolumne County Demographics

A map of Tuolumne County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	42,487	42,254	78.0%	76.0%
Hispanic	7,398	7,124	13.6%	12.8%
Multiracial	2,075	3,276	3.8%	5.9%
Black	971	989	1.8%	1.8%
Asian	803	770	1.5%	1.4%
Native American/Other	764	1,207	1.4%	2.2%

Tuolumne County, California has an estimated population of 54,498, a slight decrease from the 55,620 recorded in the 2020 Census. The population is 78.0% White, 13.6% Hispanic, 3.8% Multiracial, 1.8% Black, 1.5% Asian, and 1.4% Native American/Other. This demographic dot map shows the population of Tuolumne County, with one dot drawn for each person counted by the Census, color-coded by race.

Tuolumne has become 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 Tuolumne County, that probability was 40.2% in 2020 and 37.2% in the most recent ACS estimates.

Tuolumne County is ranked the 43rd most populous county in California, out of 58 counties. Tuolumne County was ranked the 43rd most populous county in the 2020 Census.

Tuolumne County's White Population

42,487 residents of Tuolumne County, or 78.0% of the population, identify as White. The share of White residents in Tuolumne County is significantly higher than in California overall, where 33.8% of the population is White. Tuolumne County ranks 5th statewide in terms of White residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's White population has remained roughly the same. White residents' share of Tuolumne County's population has increased from 76.0% to 78.0%.

Tuolumne County is more White than neighboring Mariposa County (74% White), Alpine County (57.1% White), Calaveras County (76.4% White), Amador County (72.6% White), and Madera County (29.9% White).

Tuolumne County's Black Population

971 residents of Tuolumne County, or 1.8% of the population, identify as Black. The share of Black residents in Tuolumne County is slightly lower than in California overall, where 5.2% of the population is Black. Tuolumne County ranks 28th statewide in terms of Black residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's Black population has declined by an estimated 1.8%. Black residents' share of Tuolumne County's population has remained roughly unchanged at 1.8%.

Tuolumne County is more Black than neighboring Mariposa County (0.9% Black), Alpine County (0% Black), and Calaveras County (1% Black). Tuolumne County is less Black than neighboring Amador County (1.9% Black), and Madera County (2.4% Black).

Tuolumne County's Asian Population

803 residents of Tuolumne County, or 1.5% of the population, identify as Asian. The share of Asian residents in Tuolumne County is considerably lower than in California overall, where 15.3% of the population is Asian. Tuolumne County ranks 48th statewide in terms of Asian residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's Asian population has grown by an estimated 4.3%. Asian residents' share of Tuolumne County's population has remained roughly unchanged at 1.5%.

Tuolumne County is more Asian than neighboring Amador County (1.3% Asian). Tuolumne County is less Asian than neighboring Mariposa County (1.9% Asian), Alpine County (2.2% Asian), Calaveras County (2.2% Asian), and Madera County (2.4% Asian).

Tuolumne County's Hispanic Population

7,398 residents of Tuolumne County, or 13.6% of the population, identify as Hispanic. The share of Hispanic residents in Tuolumne County is significantly lower than in California overall, where 40.2% of the population is Hispanic. Tuolumne County ranks 50th statewide in terms of Hispanic residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's Hispanic population has grown by an estimated 3.8%. Hispanic residents' share of Tuolumne County's population has increased from 12.8% to 13.6%.

Tuolumne County is more Hispanic than neighboring Alpine County (13.4% Hispanic). Tuolumne County is less Hispanic than neighboring Mariposa County (14.7% Hispanic), Calaveras County (14.5% Hispanic), Amador County (16% Hispanic), and Madera County (60.9% Hispanic).

Tuolumne County's Native American/Other Population

764 residents of Tuolumne County, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Tuolumne County is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Tuolumne County ranks 20th statewide in terms of Native American/Other residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's Native American/Other population has declined by an estimated 36.7%. Native American/Other residents' share of Tuolumne County's population has decreased from 2.2% to 1.4%.

Tuolumne County is more Native American/Other than neighboring Calaveras County (1.2% Native American/Other), and Madera County (1% Native American/Other). Tuolumne County is less Native American/Other than neighboring Mariposa County (2.7% Native American/Other), Alpine County (25.9% Native American/Other), and Amador County (2.3% Native American/Other).

Tuolumne County's Multiracial Population

2,075 residents of Tuolumne County, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Tuolumne County is comparable to the share in California overall, where 4.4% of the population is Multiracial. Tuolumne County ranks 16th statewide in terms of Multiracial residents as a share of the population, out of 58 counties.

Since the 2020 Census, Tuolumne County's Multiracial population has declined by an estimated 36.7%. Multiracial residents' share of Tuolumne County's population has decreased from 5.9% to 3.8%.

Tuolumne County is more Multiracial than neighboring Alpine County (1.4% Multiracial), and Madera County (3.4% Multiracial). Tuolumne County is less Multiracial than neighboring Mariposa County (5.8% Multiracial), Calaveras County (4.6% Multiracial), and Amador County (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.