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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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