Fairfield

County:: Butler County
County Seat:: No
Area (mi²):: 20.834
State:: Ohio

Fairfield is a city located in Butler County, Ohio. Fairfield has a 2025 population of 44,141. Fairfield is currently declining at a rate of -0.35% annually and its population has decreased by -1.7% since the most recent census, which recorded a population of 44,905 in 2020.

The average household income in Fairfield is $92,423 with a poverty rate of 9.09%.The median age in Fairfield is 38.3 years: 37.1 years for males, and 40 years for females.

Demographics

The racial composition of Fairfield includes 60.38% White, 18.41% Black or African American, 7.34% Asian, 5.02% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	26,928	60.38%
Black or African American	8,210	18.41%
Two or more races	3,891	8.72%
Asian	3,275	7.34%
Other race	2,240	5.02%
Native American	53	0.12%

Fairfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfield's average per capita income is $50,125. Household income levels show a median of $70,166. The poverty rate stands at 9.09%.

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	$107,459	-
Families	$90,832	$110,545
Households	$70,166	$92,423
Non Families	$42,814	$55,821

$50,125

Average Income

$70,166

Median Household Income

9.09%

Poverty Rate