Yolo County, California

County in CA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

220,564

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

32.1

years ∙ half population younger than 32.1, half older

Diversity Index

68.7%

chance two random people differ in race and ethnicity

Nativity

21%

foreign-born population

79%Native

21% Foreign-born

Geographic Context

Location, size, and surroundings

About

Yolo County is a county in California, United States.

Location

County in CA, US

Co-ordinates

DEC38.679609° N, 121.902750° W

DMS38° 40′ 46.59″ N, 121° 54′ 09.90″ W

Population Density & area

217.7/sq mi (84.06/km²)

Total Area

1,022 sq mi (2,647 km²)

Land Area

1,013 sq mi (2,624 km²) · 99.14%

Water Area

9 sq mi (23 km²) · 0.86%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

48.7% male

Male 48.7%

Female 51.3%

males per 100 females

Yolo County 94.8

California 99.8

United States 98

Nativity

21%

foreign-born population

79%Native

21% Foreign-born

% Foreign-born

Yolo County 21%

California 27%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

32.1

years ∙ half population younger than 32.1, half older

Yolo County

32.1

California

37.9

United States

38.9

Dependency ratio

50.5

dependents per 100 working-age adults

Yolo County 50.5

California 60.4

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Yolo County	California	United States
Age Group
Children (Under 18)	20.1%	22%	22%
Working age (18-64)	66.4%	62.3%	60.8%
Senior (65+)	13.5%	15.7%	17.2%
Dependency ratio
Total dependency ratio	50.5	60.4	64.4
Child dependency ratio	30.2	35.2	36.1
Old-age dependency ratio	20.3	25.1	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

41.8%

Black

2.4%

Asian

14.9%

Hispanic

33.4%

Other

7.5%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

68.7%

chance two random people differ in race and ethnicity

Yolo County 68.7%

California 69.6%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Yolo County population

	Yolo County	California	United States
Hispanic or Latino	33.4%	40.2%	19.3%
Mexican	28.7%	32.3%	11.3%
Puerto Rican	0.3%	0.6%	1.8%
Cuban	0.1%	0.3%	0.8%
Other Hispanic / Latino	4.2%	7%	5.5%
Not Hispanic or Latino	66.6%	59.8%	80.7%
One race	60.5%	55.4%	76.4%
White	41.8%	33.8%	57.4%
Black or African American	2.4%	5.2%	11.9%
American Indian and Alaska Native	0.4%	0.3%	0.5%
Asian	14.9%	15.3%	5.9%
Native Hawaiian and Other Pacific Islander	0.3%	0.3%	0.2%
Some Other Race	0.7%	0.6%	0.6%
Two or more races (Multiracial)	6.1%	4.4%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

61.9% family

Family 61.9%

Non family 38.1%

% family households

Yolo County 61.9%

California 67.8%

United States 64.2%

Average household size

2.75

persons per household

Yolo County

2.75

California

2.84

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Yolo County population

	Yolo County	California	United States
Total households	76,693	13,548,091	129,227,496
Average houshold size	2.75	2.84	2.53
Family households	47,461	9,191,176	82,990,528
Average family size	3.31	3.41	3.14
Married couple family	34,964	6,557,184	60,637,388
Other families	12,497	2,633,992	22,353,140
Male householder	3,614	857,732	6,572,819
Female householder	8,883	1,776,260	15,780,321
Non-family households	29,232	4,356,915	46,236,968
One-person households	18,383	3,289,307	37,140,836
Male householder	7,874	1,493,062	16,871,444
Senior (65+) living alone	2,444	460,668	5,225,110
Female householder	10,509	1,796,245	20,269,392
Senior (65+) living alone	5,098	886,142	10,089,070
Other living arrangements	10,849	1,067,608	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

82,447

housing units

Yolo County 82,447

California 14,644,735

United States 143,775,355

Occupancy status

93% occupied

Occupied 93%

Vacant 7%

vacancy rate

Yolo County 7%

California 7.5%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

64.8%

Single family houses

64.8%

Apartments in multi-unit structures

30.9%

Mobile homes

4.2%

Boat, RV, van, etc

0.2%

Median Year Built

1983

Half of houses were built before 1983, and half after.

Historic ∙ 1939 or earlier

4.8%

Postwar & mid-century ∙ 1940 - 1969

23.2%

Late 20th century ∙ 1970 - 1999

43.5%

Modern ∙ 2000 or later

28.3%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Yolo County	California	United States
Rooms per unit
Median rooms	5.2	5	5.5
1–3 rooms	19%	21%	15.1%
4–6 rooms	55.4%	54.7%	51.6%
7+ rooms	25.5%	24.4%	33.4%
Bedrooms
No bedroom / studio	3.2%	5%	2.9%
1 bedroom	12.8%	13.2%	10.9%
2 bedrooms	24%	26.9%	25%
3 bedrooms	36.6%	32.8%	38.7%
4+ bedrooms	23.4%	22.1%	22.4%
At a glance
Median year built	1983	1976	1981
Total housing units	82,447	14,644,735	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

54.3% owners

Renter-occupied 45.7%

Owner-occupied 54.3%

homeownership rate

Yolo County 54.3%

California 55.9%

United States 65.2%

Average household size

2.84

Owner-occupied

2.64

Renter-occupied

owner-occupied average size

Yolo County 2.84

California 2.95

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Yolo County	California	United States
Total occupied units	76,693	13,548,091	129,227,496
Year moved in
2020 or later	28.1%	23.4%	24.8%
2010 to 2019	40.7%	41.2%	39.6%
2000 to 2009	15.1%	17%	16.4%
1999 or earlier	16.1%	18.5%	19.1%
Occupants per room
1.00 or fewer	93.6%	91.8%	96.6%
1.01 to 1.50	4.2%	5%	2.2%
1.51 or more	2.1%	3.2%	1.2%
Vehicles availability
No vehicles	7.6%	7.1%	8.4%
1 vehicle	31.1%	30.7%	33.1%
2 vehicles	35.7%	36.3%	36.6%
3 or more vehicles	25.5%	25.8%	21.9%
House heating fuel used
Gas	62.9%	64.4%	51.4%
Electricity	32.3%	29.5%	41.3%
Solar	2.4%	1.2%	0.3%
Fuel oil, kerosene etc	0.2%	0.2%	3.9%
All other fuels	1.5%	1.6%	2%
No fuel used	0.7%	3%	1.2%
Selected characteristics
Lacking complete plumbing	0.2%	0.4%	0.4%
Lacking complete kitchen	0.8%	1.2%	0.8%
No telephone service available	0.9%	0.9%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$620,700

owner-occupied units

Median value(USD)

Yolo County

$620,700

California

$734,700

United States

$332,700

Housing Cost Burden

31.7%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

31.7%

Owners without a mortgage

18.5%

Renters

59.1%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Yolo County	California	United States
Property value
Median Value	$620,700	$734,700	$332,700
Under $100,000	5.2%	4.2%	11.4%
$100,000 - $200,000	1.9%	2.7%	15.8%
$200,000 - $300,000	2%	4.3%	17.8%
$300,000 - $500,000	24.5%	17.1%	26.9%
$500,000 - $1,000,000	52.3%	42.1%	20.9%
$1,000,000 and more	14%	29.6%	7.1%
Owner-occupied households
With a mortgage	65.6%	67.4%	60.6%
Without a mortgage	34.4%	32.6%	39.4%
Median monthly owner costs
With a mortgage	$2,731	$2,946	$1,963
Without a mortgage	$807	$829	$638
Gross rent
Median rent	$1,857	$2,036	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

44.8%

of adults 25+ with a bachelor's degree or higher

Yolo County 44.8%

California 37.1%

United States 35.7%

Adults without a high school diploma

11.4%

of adults (25+) without a high school diploma

Yolo County 11.4%

California 15.2%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

77,942

population (age 3+) enrolled in school

Nursery / Preschool

3.3%

K–12

42.9%

College / Undergraduate

44.7%

Graduate / Professional

9.2%

College-going rate (18-24 yr olds)

72.8%

of 18-24-year-olds in college or graduate school

Yolo County

72.8%

California

46.8%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Yolo County	California	United States
Total enrolled (age 3+)	77,942	9,917,839	80,089,790
Nursery / preschool	3.3%	5%	5.7%
K–12	42.9%	64.9%	67.6%
Kindergarten	3.3%	4.9%	5%
Elementary: Grades 1–4	13.1%	18.7%	19.8%
Elementary: Grades 5–8	12.3%	19.9%	21%
High School: Grades 9–12	14.2%	21.5%	21.7%
College or graduate school	53.8%	30.1%	26.7%
College, undergraduate	44.7%	24.3%	21%
Graduate, professional school	9.2%	5.8%	5.8%
College-going rate · 18-24 yr olds	72.8%	46.8%	40.9%
School type
Public school	91.6%	85%	82%
Private school	8.4%	15%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

131,208

population 25 years and over

Total adults (25+)

Less than 9th grade

6.4%

9th-12th, no diploma

HS graduate

17.7%

Some college no degree

19.4%

Associates degree

6.7%

Bachelors degree

23.1%

Graduate or professional degree

21.7%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

54.7% · 45.3%

9th-12th, no diploma

54% · 46%

HS graduate

50.5% · 49.5%

Some college no degree

50.6% · 49.4%

Associates degree

46.4% · 53.6%

Bachelors degree

44.5% · 55.5%

Graduate or professional degree

48% · 52%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Yolo County	California	United States
Population (25+)	131,208	27,073,960	230,807,303
Less than 9th grade	6.4%	8.7%	4.7%
9th–12th, no diploma	5%	6.5%	5.7%
High school diploma or GED	17.7%	20.5%	26%
Some college, no degree	19.4%	19.3%	19.1%
Associate's degree	6.7%	7.9%	8.8%
Bachelor's degree or higher	44.8%	37.1%	35.7%
Bachelor's degree	23.1%	22.7%	21.6%
Graduate or professional	21.7%	14.4%	14.1%
High School or higher	88.6%	84.7%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$58,474

Median earnings for adults 25+, by level

Less than HS graduate

$36,023

HS graduate

$44,388

Some college or associates

$50,762

Bachelors degree

$66,051

Graduate or professional degree

$101,684

Poverty Rate

5.5%

for ages 25+, with bachelors degree or higher

Less than HS graduate

16%

HS graduate

16.4%

Some college or associates

11.5%

Bachelors degree or higher

5.5%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Yolo County	California	United States
Median earnings
Population 25+, with earnings	$58,474	$56,395	$52,696
Less than high school graduate	$36,023	$32,480	$32,485
High school graduate (includes equivalency)	$44,388	$41,382	$40,153
Some college or associate's degree	$50,762	$50,157	$47,260
Bachelor's degree	$66,051	$80,933	$70,044
Graduate or professional degree	$101,684	$111,188	$90,720
Poverty rates
Less than high school graduate	16%	20%	24.2%
High school graduate (includes equivalency)	16.4%	13.9%	14.4%
Some college or associate's degree	11.5%	10.1%	9.8%
Bachelor's degree or higher	5.5%	5%	4.5%

Insights for Yolo County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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