Yolo County, California
Located in California, Yolo County has a population of 220,564 residents and a median age of 32.1 years, making it the #320 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.7%. The median home value is $620,700, and the median household income is $91,752, which is 22% above the national median.
Demographics
Yolo County has a population of 220,564, making it the #320 most populous county in the US. The median age is 32.1 years, which is 17.5% below 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 Yolo County is $91,752, ranking #273 out of 3,222 counties — 22.1% above the national median. The poverty rate is 16.7% and unemployment stands at 6.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Yolo County is $620,700 (+120.2% vs national). Renters pay a median of $1,857/mo and the homeownership rate is 54.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Yolo County, 44.8% of adults age 25+ hold a bachelor's degree or higher, which is 33.0% above the national average, ranking #175 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Yolo County is 79.9 years. 19.4% of adults report poor or fair health and 5.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
12.8% of adults in Yolo County smoke , 28.5% are obese , and 19.5% report excessive drinking. The drug overdose death rate is 16.7 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Yolo County is 2.9 per 100,000 and the suicide rate is 8.7 per 100,000. Motor vehicle deaths occur at a rate of 11.5 per 100,000.
Homicide Rate Trend
Families & Children
11.6% of children in Yolo County live in poverty and the infant mortality rate is 3.0 per 1,000 live births. The teen birth rate is 5.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Yolo County is 65.6%. The mean commute time is 26.3 min, which is 4.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Yolo County voted Democratic with a margin of 36.2%. The vote was 66.3% Dem / 30.1% Rep. Compared to 2020, the margin shifted 5.2 toward Republicans .
Vote Share Over Time
About Yolo County, California
Yolo County, California has a total population of 220,564, making it the 320th most populous county in the United States. The median age in Yolo County is 32.1 years, which is 17.5% below the national median of 38.9 years.
The median household income in Yolo County is $91,752, which ranks #273 of 3,222 counties nationwide. This is 22.1% above the national median of $75,149. The poverty rate is 16.7%, higher than the national rate of 12.6%. The unemployment rate stands at 6.1%.
The median home value in Yolo County is $620,700, 120.2% above the national median. Renters in Yolo County pay a median gross rent of $1,857 per month. The homeownership rate is 54.3%, compared to the national rate of 64.4%.
In Yolo County, 44.8% of residents aged 25 and older hold a bachelor's degree or higher, 33.0% above the national average of 33.7%. Health insurance coverage stands at 95.2% of the population. The average commute time for workers is 26.3 min.
Yolo County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 41.8% of the population, followed by Hispanic or Latino (33.4%) and Asian (non-Hispanic) (14.9%).
All data for Yolo 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.