Fairfax

County:: Linn County
County Seat:: No
Area (mi²):: 3.36
State:: Iowa

Fairfax is a city located in Linn County, Iowa. Fairfax has a 2025 population of 2,938. Fairfax is currently growing at a rate of 0.58% annually and its population has increased by 2.98% since the most recent census, which recorded a population of 2,853 in 2020.

The average household income in Fairfax is $128,332 with a poverty rate of 5.06%.The median age in Fairfax is 37.1 years: 34.6 years for males, and 38.6 years for females.

Demographics

The racial composition of Fairfax includes 88.06% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,523	88.06%
Two or more races	200	6.98%
Black or African American	83	2.9%
Other race	38	1.33%
Asian	18	0.63%
Native American	3	0.1%

Fairfax Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfax's average per capita income is $61,683. Household income levels show a median of $120,552. The poverty rate stands at 5.06%.

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	$136,591	-
Families	$130,893	$140,336
Households	$120,552	$128,332
Non Families	$54,063	$65,006

$61,683

Average Income

$120,552

Median Household Income

5.06%

Poverty Rate