Tuolumne County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 43rd-largest in California
The population of Tuolumne County, California is 54,873 as of the 2023 American Community Survey, making it the 43rd-largest county in California. The median household income is $72,259, the median home value is $406,200, and the median age is 48.8.
The population of Tuolumne County has declined 2.3% since 2010 (55,164 → 53,893), a -0.17% annualized rate.
54,873
Population
-0.17%
Annual growth
25
People / sq mi
$72,259
Median Income
$406,200
Median Home Value
Tuolumne County covers 2,221 sq mi of land at 24.7 people per square mile.
About Tuolumne County, CA
Housing cost is the defining feature of Tuolumne County: the median home is valued at $406,200. With 54,873 residents, Tuolumne County is a county in California. It ranks #43 among counties in California by population.
Median household income is $72,259, below the US median of $78,538. Poverty runs at 7.2%, below the national 12.4%. Housing is expensive: the median home is worth $406,200, with typical rent around $1,247.
Degree attainment is mid-range for US counties: 23.9% of adults hold a four-year degree, below the national 35.0%. Remote work is on the higher side at 12.0%, below the national 14.0%, and the average commute runs about 31 minutes each way.
High housing values reframe the income picture in Tuolumne County — even solid earnings stretch less against home prices and rents at this level.
Tuolumne County Population History (2010-2024)
The county of Tuolumne County had a population of 55,164 in 2010 and 53,893 in 2024, a -2.3% growth over 14 years. The peak was 55,397 in 2020. Average annual growth rate: -0.16%.
53,893
Population (2024)
55,164
Population (2010)
55,397
Peak (2020)
-0.16%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 55,164 |
| 2011 | 54,808 |
| 2012 | 54,201 |
| 2013 | 53,975 |
| 2014 | 53,830 |
| 2015 | 53,599 |
| 2016 | 53,729 |
| 2017 | 53,953 |
| 2018 | 54,250 |
| 2019 | 54,290 |
| 2020 | 55,397 |
| 2021 | 55,126 |
| 2022 | 53,951 |
| 2023 | 54,123 |
| 2024 | 53,893 |
Race & Ethnicity
| White | 82.6% |
| Black or African American | 1.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.4% |
| Two or More Races | 0.3% |
Age & Sex
48.8
Median Age
48.5%
Female
51.5%
Male
27.7%
Age 65+
Age Distribution
Children (under 15): 14.1% · Seniors (65+): 27.7%
Income & Poverty
| Median household income | $72,259$-24,075 vs state |
| Mean household income | $97,299 |
| Per-capita income | $41,372 |
| Poverty rate | 7.2%-1.2% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 45.4% |
Top Industries by Employment
The largest employment sector in Tuolumne County is professional & business services, accounting for 24.0% of workers.
How residents commute
0.3%
Drive alone
3.5%
Carpool
75.1%
Public transit
12.0%
Work from home
31.2 min
Avg commute
Housing
$406,200$-289,200 vs state
Median home value
$1,247
Median rent
74.1%
Homeownership rate
31,491
Total housing units
72.4%
Occupied
27.6%
Vacant
25.9%
Renter-occupied
Social & access
94.2%
With health insurance
93.8%
With broadband internet
19.6%
Foreign-born
10.4%
Veterans (18+)
21.2%
With a disability
92.3%
Speak language other than English at home
Education
93.5%
High School+
23.9%
Bachelor's+
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Part of California
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County rankings
Frequently Asked Questions
Tuolumne County, California has a population of 54,873 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 43rd-largest county in California. Population density is 25 people per square mile.
The population of Tuolumne County has declined 2.3% since 2010 (55,164 → 53,893), a -0.17% annualized rate.
The median household income in Tuolumne County, California is $72,259, with mean (average) household income of $97,299 and per-capita income of $41,372. 7.2% of residents live below the federal poverty level.
In Tuolumne County, the largest racial and ethnic groups are White (82.6%), Hispanic or Latino (4.4%), Black or African American (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Tuolumne County, California is 48.8 years. Residents are 48.5% female and 51.5% male.
The median home value in Tuolumne County is $406,200 and median monthly rent is $1,247. 74.1% of occupied housing units are owner-occupied. The county has 31,491 total housing units, 27.6% of which are vacant.
The largest employment sector in Tuolumne County, California is professional, scientific, and management services, employing 24.0% of workers. The unemployment rate is 3.9%.
Los Angeles is among the largest cities associated with Tuolumne County, California, with a population of 3,857,897.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.