Fairfield

County:: Jefferson County
County Seat:: Yes
Area (mi²):: 6.614
State:: Iowa

Fairfield is a city located in Jefferson County, Iowa. Fairfield has a 2025 population of 9,200. It is also the county seat of Jefferson County. Fairfield is currently declining at a rate of -0.54% annually and its population has decreased by -2.64% since the most recent census, which recorded a population of 9,449 in 2020.

The average household income in Fairfield is $75,378 with a poverty rate of 19.18%.The median age in Fairfield is 40.5 years: 37.1 years for males, and 46.4 years for females.

Demographics

The racial composition of Fairfield includes 77.3% White, 9.68% Black or African American, 6.74% Asian, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	7,296	77.3%
Black or African American	914	9.68%
Asian	636	6.74%
Two or more races	361	3.82%
Native American	132	1.4%
Other race	99	1.05%

Fairfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfield's average per capita income is $31,685. Household income levels show a median of $48,302. The poverty rate stands at 19.18%.

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	$88,625	-
Families	$71,799	$105,715
Households	$48,302	$75,378
Non Families	$30,807	$46,427

$31,685

Average Income

$48,302

Median Household Income

19.18%

Poverty Rate