Sun Prairie

County:: Dane County
County Seat:: No
Area (mi²):: 13.094
State:: Wisconsin

Sun Prairie is a city located in Dane County, Wisconsin. Sun Prairie has a 2025 population of 39,101. Sun Prairie is currently growing at a rate of 1.57% annually and its population has increased by 8.39% since the most recent census, which recorded a population of 36,073 in 2020.

The average household income in Sun Prairie is $108,478 with a poverty rate of 6.13%. The median age in Sun Prairie is 36.9 years: 34.2 years for males, and 39.1 years for females.

Demographics

The racial composition of Sun Prairie includes 76.71% White, 8.2% Black or African American, 7.35% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	27,963	76.71%
Black or African American	2,990	8.2%
Asian	2,679	7.35%
Two or more races	2,259	6.2%
Other race	431	1.18%
Native American	91	0.25%
Native Hawaiian or Pacific Islander	42	0.12%

Sun Prairie Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sun Prairie's average per capita income is $61,854. Household income levels show a median of $90,521. The poverty rate stands at 6.13%.

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	$128,148	-
Families	$113,086	$129,716
Households	$90,521	$108,478
Non Families	$58,075	$69,904

$61,854

Average Income

$90,521

Median Household Income

6.13%

Poverty Rate