What is the largest city in Yolo County, CA?

Davis is the largest city or town in Yolo County, with about 66,978 residents.

How many ZIP codes are in Yolo County?

Yolo County includes 17 ZIP Code Tabulation Areas, including 95605, 95606, 95607, 95612, 95616.

What is the population of Yolo County, CA?

About 220,564 people live in Yolo County, based on American Community Survey 5-year estimates.

What counties border Yolo County?

Yolo County borders Sacramento County, Solano County, Napa County, Sutter County, Lake County, Colusa County.

Yolo County, CA: Cities, ZIP Codes & Local Data

Population

220,564

Land area

1,013sq mi

People per sq mi

218

ZIP codes

17

Yolo County at a glance

Households here earn a median of $91,752 a year, 7% less than the California figure of $99,122.
A typical owner-occupied home is valued at $620,700 (16% below California) and median rent is $1,857 a month.
The biggest population centers are Davis (66,978), Woodland (61,854) and West Sacramento (54,927).

Local data for Yolo County, CA

Counts from official public data

Housing and community stats

Yolo County, CA, American Community Survey 2020-2024

Full profile

Median household income

$91,752

Poverty rate

16.7%

Median home value

$620,700

Prices -0.9% in a year

Median rent

$1,857/mo

Homeownership

54.3%

Bachelor's or higher

44.8%

Median age

32.1

Average commute

24.0 min

Largest reported origins and ancestries: Mexican Americans (63,224), German Americans (21,422), Irish Americans (18,768).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

5.5%

Sep 2026, -0.1 pts in a year

Average annual pay

$79,708

109,634 jobs, 2025

Income per person

$71,044

BEA, 2024

Federal spending

$1.2B

FY 2026, $5,524 per person

PPP loans

$430M

4,722 loans, 50,995 jobs reported

Campaign donations

$3.6M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Yolo County, CA, workers 16 and older. American Community Survey 5-year estimates

Drove alone61.7%
Carpooled7.6%
Public transit2.8%
Walked3.3%
Bicycle4.9%
Taxi, ride-hailing, motorcycle or other1.6%
Worked from home18.1%

Average one-way commute: 24.0 minutes for people who do not work from home.

Environment and hazard risk

Yolo County, CA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: drought

Storm events since 1996

73

Most often flood

Flood insurance policies

2,606

5.0% of homes, county

July high / Jan low

95° / 38°F

20.5 inches of rain a year

Hazards, floods and storm history Check a flood zone 21 historic places

Health statistics

Share of adults in Yolo County, CA, CDC PLACES estimates

All 40 measures

Obesity

25.7%

U.S. 33.3% -7.6 pts

Diabetes

9.3%

U.S. 12.1% -2.8 pts

Smoking

9.8%

U.S. 12.8% -3.0 pts

Uninsured (18-64)

8.9%

U.S. 11.1% -2.2 pts

Cities, towns and ZIP codes in Yolo County

Population shown

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Frequently asked questions

What is the largest city in Yolo County, CA?: Davis is the largest city or town in Yolo County, with about 66,978 residents.
How many ZIP codes are in Yolo County?: Yolo County includes 17 ZIP Code Tabulation Areas, including 95605, 95606, 95607, 95612, 95616.
What is the population of Yolo County, CA?: About 220,564 people live in Yolo County, based on American Community Survey 5-year estimates.
What counties border Yolo County?: Yolo County borders Sacramento County, Solano County, Napa County, Sutter County, Lake County, Colusa County.