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
In Yolo County, home values do the distinguishing — a median of $593,800. Yolo County is a county in California with a population of 217,782. It ranks #27 among counties in California by population.
Households here are among the highest-earning of all US counties: median income is $88,818, above the US median of $78,538. About 7.3% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $593,800, with typical rent around $1,757.
Degree attainment is near the top of the range for US counties: 44.1% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Remote work is widespread — 17.2% of workers stay home, above the national 14.0%, and the average commute runs about 24 minutes each way.
High housing values reframe the income picture in Yolo County — even solid earnings stretch less against home prices and rents at this level.
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.
Yolo County, CA Climate
Yolo County, CA has an average annual temperature of 16.5°C (62°F) and receives about 490 mm of precipitation per year. The warmest month is July and the coldest is December. Figures are 1970–2000 climate normals.
16.5°C
Avg Temp
490
Precip (mm/yr)
Jul
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 8° / 46° | 104 mm |
| February | 10° / 51° | 87 mm |
| March | 13° / 55° | 72 mm |
| April | 15° / 60° | 25 mm |
| May | 19° / 67° | 11 mm |
| June | 23° / 73° | 5 mm |
| July | 25° / 77° | 1 mm |
| August | 25° / 76° | 1 mm |
| September | 23° / 73° | 8 mm |
| October | 18° / 65° | 27 mm |
| November | 12° / 53° | 72 mm |
| December | 8° / 46° | 77 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Yolo County, CA
The most comfortable months to visit Yolo County, CA are typically September, May and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 35°C high). The coldest is December (near 3°C low). January is usually the wettest month.
Where to stay near Yolo County
Visiting or relocating to Yolo County, CA? Compare hotels and short-term rentals across the county — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.