Yolo County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 27th-largest in California
The population of Yolo County, California is 217,782 as of the 2023 American Community Survey, making it the 27th-largest county in California. The median household income is $88,818, the median home value is $593,800, and the median age is 32.3.
The population of Yolo County has grown 12.0% since 2010 (201,061 → 225,251), a +0.81% annualized rate.
217,782
Population
+0.81%
Annual growth
215
People / sq mi
$88,818
Median Income
$593,800
Median Home Value
Yolo County covers 1,013 sq mi of land at 215.0 people per square mile.
About Yolo County, CA
Yolo County is a county in California with a population of 217,782. It ranks #27 among counties in California by population. The median age is 32.3, younger than the national median. The population is 48.7% male and 51.3% female.
The median household income in Yolo County is $88,818, above the US median of $74,580. 7.3% of residents live below the federal poverty level. Home values sit at a median of $593,800, with monthly rent averaging $1,757. The homeownership rate of 53.6% is lower than the national rate of 64.8%.
Educational attainment in Yolo County reflects 44.1% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 17.2% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 23.7 minutes each way.
Yolo County Population History (2010-2024)
The county of Yolo County had a population of 201,061 in 2010 and 225,251 in 2024, a 12.0% growth over 14 years. The peak was 225,251 in 2024. Average annual growth rate: 0.83%.
225,251
Population (2024)
201,061
Population (2010)
225,251
Peak (2024)
0.83%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 201,061 |
| 2011 | 201,931 |
| 2012 | 204,558 |
| 2013 | 206,267 |
| 2014 | 208,368 |
| 2015 | 211,998 |
| 2016 | 215,569 |
| 2017 | 218,470 |
| 2018 | 220,082 |
| 2019 | 220,019 |
| 2020 | 217,768 |
| 2021 | 213,545 |
| 2022 | 223,338 |
| 2023 | 222,919 |
| 2024 | 225,251 |
Race & Ethnicity
| White | 54.8% |
| Black or African American | 2.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.8% |
| Two or More Races | 0.0% |
Age & Sex
32.3
Median Age
51.3%
Female
48.7%
Male
13.2%
Age 65+
Age Distribution
Children (under 15): 16.7% · Seniors (65+): 13.2%
Income & Poverty
| Median household income | $88,818$-7,516 vs state |
| Mean household income | $122,086 |
| Per-capita income | $43,607 |
| Poverty rate | 7.3%-1.1% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 58.2% |
Top Industries by Employment
The largest employment sector in Yolo County is professional & business services, accounting for 29.6% of workers.
How residents commute
2.4%
Drive alone
2.8%
Carpool
63.7%
Public transit
17.2%
Work from home
23.7 min
Avg commute
Housing
$593,800$-101,600 vs state
Median home value
$1,757
Median rent
53.6%
Homeownership rate
81,543
Total housing units
94.0%
Occupied
6.0%
Vacant
46.4%
Renter-occupied
Social & access
95.4%
With health insurance
95.8%
With broadband internet
15.5%
Foreign-born
3.8%
Veterans (18+)
10.8%
With a disability
63.8%
Speak language other than English at home
Education
88.4%
High School+
44.1%
Bachelor's+
Largest cities in California
Other counties in California
Part of California
Metro areas in California
County rankings
Frequently Asked Questions
Yolo County, California has a population of 217,782 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 27th-largest county in California. Population density is 215 people per square mile.
The population of Yolo County has grown 12.0% since 2010 (201,061 → 225,251), a +0.81% annualized rate.
The median household income in Yolo County, California is $88,818, with mean (average) household income of $122,086 and per-capita income of $43,607. 7.3% of residents live below the federal poverty level.
In Yolo County, the largest racial and ethnic groups are White (54.8%), Hispanic or Latino (2.8%), Black or African American (2.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Yolo County, California is 32.3 years. Residents are 51.3% female and 48.7% male.
The median home value in Yolo County is $593,800 and median monthly rent is $1,757. 53.6% of occupied housing units are owner-occupied. The county has 81,543 total housing units, 6.0% of which are vacant.
The largest employment sector in Yolo County, California is professional, scientific, and management services, employing 29.6% of workers. The unemployment rate is 3.3%.
Los Angeles is among the largest cities associated with Yolo 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.