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
Tuolumne County is a county in California with a population of 54,873. It ranks #43 among counties in California by population. The median age is 48.8, older than the national median. The population is 51.5% male and 48.5% female.
The median household income in Tuolumne County is $72,259, near the US median of $74,580. 7.2% of residents live below the federal poverty level. Home values sit at a median of $406,200, with monthly rent averaging $1,247. The homeownership rate of 74.1% is higher than the national rate of 64.8%.
Educational attainment in Tuolumne County reflects 23.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 12.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 31.2 minutes each way.
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.