Demographics of Tuolumne County, California

Tuolumne County, California had 53,160 people on July 1, 2025, by the Census Bureau’s estimate: −2,209 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Tuolumne County, in four figures

53,160
Population: July 1, 2025, Vintage 2025 estimate.; −4.0%
Change since July 2020: −2,209 people.; 48.4 ±0.5
Median age: ACS 2020–⁠2024.; $77,404 ±$5,095
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Tuolumne County, California's population shrank 4.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Tuolumne County, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Tuolumne County, California's population shrank 4.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Tuolumne County, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	55,369	100.0	100.0
2021	55,135	99.6	100.2
2022	53,987	97.5	100.7
2023	54,172	97.8	101.6
2024	54,185	97.9	102.5
2025	53,160	96.0	103.1

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Population of Tuolumne County, California on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	55,369	−243	−89	0	−130
2021	55,135	−234	−365	+7	+96
2022	53,987	−1,148	−418	+25	−783
2023	54,172	+185	−317	+29	+449
2024	54,185	+13	−255	+44	+224
2025	53,160	−1,025	−253	+9	−775

Age, 2020–2024

The median age is 48.4 ±0.5: for men 45.4 ±1.0 and for women 50.7 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Tuolumne County by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	2,230 ±64	4.1% ±0.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	7,075 ±425	13.0% ±0.8	16.5% ±<0.1	16.3% ±<0.1
18 to 24	3,518 ±426	6.5% ±0.8	9.1% ±<0.1	9.1% ±<0.1
25 to 44	12,807 ±605	23.5% ±1.1	28.7% ±<0.1	26.9% ±<0.1
45 to 64	13,529 ±618	24.8% ±1.1	24.6% ±<0.1	24.8% ±<0.1
65 and over	15,339 ±781	28.1% ±1.4	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $77,404 ±$5,095, and income per person $44,142 ±$2,387, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Tuolumne County by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	3,242 ±521	14.3% ±2.3	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	3,729 ±540	16.4% ±2.4	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	4,074 ±545	18.0% ±2.4	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	2,888 ±491	12.7% ±2.1	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	4,312 ±492	19.0% ±2.1	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	2,022 ±421	8.9% ±1.8	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	2,423 ±443	10.7% ±1.9	20.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Tuolumne County by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	5,384 ±829	10.4% ±1.6	12.0% ±0.1	12.5% ±0.1
Under 18	891 ±274	9.8% ±3.0	15.0% ±0.1	16.1% ±0.1
18 to 59	2,959 ±573	12.6% ±2.4	11.0% ±0.1	11.6% ±0.1
60 and over	1,534 ±278	8.1% ±1.4	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Tuolumne County, ACS 2020–2024
Measure	Tuolumne County	California	United States
Housing units	31,589 ±116	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	71.8% ±1.5	92.5% ±0.1	89.9% ±0.1
Vacant	28.2% ±1.5	7.5% ±0.1	10.1% ±0.1
Owner occupied	73.9% ±2.1	55.9% ±0.3	65.2% ±0.3
Renter occupied	26.1% ±2.7	44.1% ±0.2	34.8% ±0.1
Median home value	$433,200 ±$14,328	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$1,302 ±$95	$2,036 ±$5	$1,413 ±$2
Median year built	1980 ±1	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Tuolumne County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	7,398 ±0	13.6% ±<0.1	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	42,487 ±162	78.0% ±0.3	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	971 ±142	1.8% ±0.3	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	803 ±171	1.5% ±0.3	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	332 ±98	0.6% ±0.2	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	161 ±30	0.3% ±0.1	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	271 ±116	0.5% ±0.2	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,075 ±264	3.8% ±0.5	4.4% ±<0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Tuolumne County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	40,775 ±969	74.8% ±1.8	56.5% ±0.1	57.3% ±<0.1
Born in another state	10,673 ±858	19.6% ±1.6	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	542 ±202	1.0% ±0.4	1.5% ±<0.1	1.7% ±<0.1
Born abroad	2,508 ±407	4.6% ±0.7	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	1,630 ±301	3.0% ±0.6	14.7% ±0.1	7.4% ±<0.1
Not citizens	878 ±278	1.6% ±0.5	12.3% ±0.1	6.8% ±<0.1

Tuolumne County among the counties of California

43rd of 58 by population, July 2025. Every one is listed on the California page.

Counties of California near Tuolumne County in population, July 2025
County	July 2025	Change since 2020
Yuba County	88,691	+8.2%
Mendocino County	88,122	−3.5%
San Benito County	70,082	+8.6%
Lake County	67,772	−0.6%
Tehama County	64,665	−1.7%
Tuolumne County	53,160	−4.0%
Calaveras County	46,605	+2.8%
Siskiyou County	42,013	−4.5%
Amador County	41,876	+3.2%
Glenn County	28,141	−2.6%
Lassen County	28,117	−13.1%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026