Tuolumne County, California
Located in California, Tuolumne County has a population of 54,498 residents and a median age of 48.4 years, making it the #955 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.4%. The median home value is $433,200, and the median household income is $77,404, which is 3% above the national median.
Demographics
Tuolumne County has a population of 54,498, making it the #955 most populous county in the US. The median age is 48.4 years, which is 24.4% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Tuolumne County is $77,404, ranking #703 out of 3,222 counties — 3.0% above the national median. The poverty rate is 10.4% and unemployment stands at 8.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Tuolumne County is $433,200 (+53.7% vs national). Renters pay a median of $1,302/mo and the homeownership rate is 73.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Tuolumne County, 24.6% of adults age 25+ hold a bachelor's degree or higher, which is 27.0% below the national average, ranking #1,284 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Tuolumne County is 76.4 years. 15.8% of adults report poor or fair health and 5.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.4% of adults in Tuolumne County smoke , 31.0% are obese , and 24.5% report excessive drinking. The drug overdose death rate is 28.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Tuolumne County is 2.6 per 100,000 and the suicide rate is 21.1 per 100,000. Motor vehicle deaths occur at a rate of 16.2 per 100,000.
Homicide Rate Trend
Families & Children
13.6% of children in Tuolumne County live in poverty and the infant mortality rate is 6.4 per 1,000 live births. The teen birth rate is 10.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Tuolumne County is 68.5%. The mean commute time is 30.5 min, which is 10.5% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Tuolumne County voted Republican with a margin of 21.8%. The vote was 37.9% Dem / 59.7% Rep. Compared to 2020, the margin shifted 3.0 toward Republicans .
Vote Share Over Time
About Tuolumne County, California
Tuolumne County, California has a total population of 54,498, making it the 955th most populous county in the United States. The median age in Tuolumne County is 48.4 years, which is 24.4% above the national median of 38.9 years.
The median household income in Tuolumne County is $77,404, which ranks #703 of 3,222 counties nationwide. This is 3.0% above the national median of $75,149. The poverty rate is 10.4%, lower than the national rate of 12.6%. The unemployment rate stands at 8.2%.
The median home value in Tuolumne County is $433,200, 53.7% above the national median. Renters in Tuolumne County pay a median gross rent of $1,302 per month. The homeownership rate is 73.9%, compared to the national rate of 64.4%.
In Tuolumne County, 24.6% of residents aged 25 and older hold a bachelor's degree or higher, 27.0% below the national average of 33.7%. Health insurance coverage stands at 94.7% of the population. The average commute time for workers is 30.5 min.
Tuolumne County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 78.0% of the population, followed by Hispanic or Latino (13.6%) and Two or More Races (3.8%).
All data for Tuolumne County, California comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.