Fairfield Flag

Fairfield

County:
Solano County
County Seat:
Yes
Area (mi²):
41.586
State:
California

Fairfield is a city located in Solano County, California. Fairfield has a 2025 population of 121,391. It is also the county seat of Solano CountyFairfield is currently growing at a rate of 0.26% annually and its population has increased by 1.3% since the most recent census, which recorded a population of 119,833 in 2020.

The average household income in Fairfield is $127,639 with a poverty rate of 10.47%. The median age in Fairfield is 36.8 years: 36.1 years for males, and 37.9 years for females.

121.4K
Total Population
2,919
Density (mi²)
312 0.26%
Growth

Fairfield Population

Fairfield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Fairfield includes 35.95% White, 17.43% Asian, 15.27% Black or African American, 13.83% other race, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White43,13735.95%
Asian20,91317.43%
Two or more races18,66715.56%
Black or African American18,32515.27%
Other race16,59813.83%
Native Hawaiian or Pacific Islander1,7091.42%
Native American6360.53%

Fairfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfield's average per capita income is $56,939. Household income levels show a median of $102,321. The poverty rate stands at 10.47%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$130,999$155,945
Families$113,123$137,217
Households$102,321$127,639
Non Families$66,965$84,447

$56,939

Average Income

$102,321

Median Household Income

10.47%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)