Solano County, California Population 2024

449,551

Solano County, California's estimated 2024 population is 449,551 with a growth rate of 0.07% in the past year according to the most recent United States census data. Solano County, California is the 19th largest county in California. The 2010 population was 413,963 and has seen a growth of 8.6% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029451,2163330.07%
2028450,8833330.07%
2027450,5503330.07%
2026450,2173330.07%
2025449,8843330.07%
2024449,5513330.07%
2023449,2183330.07%
2022448,885-1,768-0.39%
2021450,653-2,070-0.46%
2020452,7235,2891.18%
2019447,4341,5030.34%
2018445,9312,3770.54%
2017443,5544,7201.08%
2016438,8345,4561.26%
2015433,3784,4071.03%
2014428,9715,3371.26%
2013423,6343,9890.95%
2012419,6453,3200.8%
2011416,3252,3620.57%
2010413,96300%
1990340,421105,21844.73%
1980235,20365,26238.4%
1970169,94135,34426.26%
1960134,59729,76428.39%
1950104,83355,715113.43%
194049,1188,28420.29%
193040,8342320.57%
192040,60213,04347.33%
191027,5593,41614.15%
190024,1433,19715.26%
189020,9462,47113.37%
188018,4751,6049.51%
187016,8719,702135.33%
18607,1696,5891136.03%
1850580-450,636-99.87%
2024 Growth Rate
0.07% (333)
County Website
Solano County
County Seat
Fairfield
2020 Population
452,723
Area
822 mi²
Density
547 people/mi²
Growth Since 2020
-0.7% (-3,172)

Population by Race

Race
Population
Percentage (of total)
White207,57546.03%
Asian70,81415.7%
Black or African American59,69913.24%
Two or more races55,12712.22%
Other race49,97811.08%
Native Hawaiian or Pacific Islander4,5291%
Native American3,2730.73%

White

Asian

Black or African American

Two or more races

Other race

Native Hawaiian or Pacific Islander

Native American

Solano County, California Population by Race

Solano County, California Population Pyramid 2024

Solano County, California Median Age

38.8

Total

37.4

Male

40.3

Female

Solano County, California Adults

There are 351,998 adults, (74,541 of whom are seniors) in Solano County, California.

Solano County, California Age Dependency

62.5

Age Dependency Ratio

26.9

Old Age Dependency Ratio

35.7

Child Dependency Ratio

Solano County, California Sex Ratio

Female225,69350.04%
Male225,30249.96%

Solano County, California Population by Age

Solano County, California Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All154,9872.846337
Married77,9453.4675.224.8
Non Family45,5971.2853.746.3
Female21,1603.7144.855.2
Male10,2853.3249.850.2

3.36

Average Family Size

2.84

Average Household Size

63.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Solano County, California Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade17,5225.6%
Associates Degree32,87610.51%
Bachelors Degree60,31619.29%
Graduate Degree27,8668.91%
High School Graduate74,32123.77%
Less Than 9th Grade17,2555.52%
Some College82,55026.4%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Solano County, California Educational Attainment by Sex (over 25)

Solano County, California Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White125,820119,92040,327
Hispanic72,31753,09710,861
Asian53,29848,70921,936
Black42,76239,31110,267
Other Race30,51220,5843,455
2+ Races28,15524,1646,949
Islander3,1712,721661
Native American2,3681,790280

The highest rate of high school graduation is among white people with a rate of 95.31%.

The highest rate of bachelors degrees is among asian people with a rate of 41.16%.

Solano County, California Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$73,236$86,075$65,994
Graduate Degree$90,635$95,893$85,771
High School Graduate$45,519$52,344$35,758
Less Than 9th Grade$34,124$40,853$25,557
Overall$55,869$62,510$49,141
Some College$55,429$65,249$46,075

$55,869

Average Earnings

$62,510

Average Male

$49,141

Average Female

Solano County, California Earnings by Educational Attainment

Solano County, California Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Solano County, California Language

70.24% of Solano County, California residents speak only English, while 29.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.04% of the population.

Solano County, California Language

Solano County, California Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic123,48312,69310.28%
White157,57810,7986.85%
Black56,5189,43916.7%
Other48,1665,28610.97%
Multiple54,1344,9339.11%
Asian70,2193,8025.41%
Islander4,45051611.6%
Native3,08934911.3%

9%

Overall Poverty Rate

8.38%

Male Poverty Rate

9.59%

Female Poverty Rate

Poverty in Solano County, California

The race most likely to be in poverty in Solano County, California is Black, with 16.7% below the poverty level.

The race least likely to be in poverty in Solano County, California is Asian, with 5.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.77%. Among those working part-time, it was 9.38%, and for those that did not work, the poverty rate was 16.06%.

Solano County, California Poverty

rate

Rate
Poverty
Less Than 9th Grade13.96%
High School10.51%
Some College7.3%
Bachelors or Greater4.23%

Solano County, California Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed23.45%
Male Unemployed13.56%
Female Employed4.37%
Male Employed3.69%

Solano County, California Poverty Rate by Employment Status and Sex

Solano County, California Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$110,159$134,307
Households$97,037$121,293
Married Families$128,092$152,393
Non Families$61,939$78,528

mean

median

Income by Household Type

Solano County, California Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.6%

Overall Marriage Rate

48.8%

Male Marriage Rate

46.5%

Female Marriage Rate

Solano County, California Married by Age and Sex

male

female

Solano County, California Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Solano County, California Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Solano County, California Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

29,941

Number of Veterans

26,560

Male Veterans

3,381

Female Veterans

War
Veterans
Vietnam10,153
First Gulf War7,926
Second Gulf War7,564
Korea1,223
World War II280

Solano County, California Veterans by War

count

Age Group
Veterans
35 to 547,213
65 to 747,192
75+6,347
55 to 646,152
18 to 343,037

Solano County, California Veterans by Age

count

Name
Veterans
% of Total
White17,70910.65%
Black5,04010.6%
Hispanic3,8634.47%
Asian3,5546.1%
2+ Races2,2226.6%
Other Race9212.56%
Native American26910.18%
Islander2266.51%

Solano County, California Veterans by Race

Solano County, California Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.42%

Veteran Poverty Rate

27.94%

Veteran Disability Rate

Solano County, California Veterans by Education

LaborForceParticipation

63.2%

Labor Force Participation

58.4%

Employment Rate

5.9%

Unemployment Rate

Solano County, California Employment by Age

LaborForceParticipation

Solano County, California Employment by Race

LaborForceParticipation

Solano County, California Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

59.43%

Born in Solano County, California

80.35%

Native Born

19.65%

Foreign Born

7.91%

Non Citizen

11.74%

Naturalized

Place of Birth

80.35% of Solano County, California residents were born in the United States, with 59.43% having been born in California. 7.91% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Solano County, California Place of Birth

Sources