Sun Prairie, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Sun Prairie, Wisconsin is 36,455 as of the 2023 American Community Survey, making it the 23rd-largest city in Wisconsin. The median household income is $90,521, the median home value is $339,800, and the median age is 36.9.
The population has grown 32.5% since 2010 (29,626 → 39,253).
36,455
Population
2784
People / sq mi
$90,521
Median Income
$339,800
Median Home Value
Get Sun Prairie's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Sun Prairie covers 13.1 sq mi of land at 2784 people per square mile.
About Sun Prairie, WI
Sun Prairie is defined demographically by education — 50.9% of adults hold a bachelor’s degree, above the national average. Sun Prairie is a city in Wisconsin with a population of 36,455. It ranks #23 among cities in Wisconsin by population.
Median household income is $90,521, above the US median of $78,538. The poverty rate, 4.1%, is on the lower side for US cities and below the national 12.4%. Median home value is $339,800, with typical rent around $1,374.
About 50.9% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. About 18.3% of workers primarily work from home, above the national 14.0%, and the average commute runs about 23 minutes each way.
The education numbers are the throughline: a college-heavy population in Sun Prairie usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Sun Prairie city Population History (2010-2024)
The city of Sun Prairie city had a population of 29,626 in 2010 and 39,253 in 2024, a 32.5% growth over 14 years. The peak was 39,253 in 2024. Average annual growth rate: 2.03%.
39,253
Population (2024)
29,626
Population (2010)
39,253
Peak (2024)
2.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 29,626 |
| 2011 | 30,032 |
| 2012 | 30,538 |
| 2013 | 30,998 |
| 2014 | 31,727 |
| 2015 | 32,295 |
| 2016 | 32,790 |
| 2017 | 32,966 |
| 2018 | 33,948 |
| 2019 | 34,661 |
| 2020 | 36,008 |
| 2021 | 36,650 |
| 2022 | 37,497 |
| 2023 | 38,360 |
| 2024 | 39,253 |
Race & Ethnicity
| White | 76.7% |
| Black or African American | 8.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Economy & Income
$90,521
Median Household Income
$45,715
Per Capita Income
4.1%
Poverty Rate
1.5%
Unemployment Rate
Housing
$339,800
Median Home Value
$1,374
Median Rent
61.8%
Owner-Occupied
Education
97.3%
High School+
50.9%
Bachelor's+
Commute
0.7%
Drive Alone
71.7%
Public Transit
18.3%
Work From Home
22.6 min
Avg Commute
Community Profile
29.7%
Foreign Born
89.0%
Non-English at Home
6.4%
Veterans
8.7%
With Disability
98.0%
Health Insurance
96.6%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.8% |
| Finance, Insurance & Real Estate | 15.2% |
| Information | 9.9% |
| Manufacturing | 9.0% |
| Education, Health Care & Social Services | 5.9% |
| Public Administration | 5.3% |
| Arts, Entertainment & Food Services | 4.6% |
| Retail Trade | 4.3% |
| Construction | 3.9% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.8% |
Largest cities in Wisconsin
Largest counties in Wisconsin
Part of Wisconsin
Metro areas in Wisconsin
City rankings
Frequently Asked Questions
Sun Prairie, Wisconsin has a population of 36,455 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest city in Wisconsin.
The median household income in Sun Prairie, Wisconsin is $90,521, with 4.1% of residents living below the federal poverty level.
The median home value in Sun Prairie, Wisconsin is $339,800, with median monthly rent at $1,374 and a homeownership rate of 61.8%.
The median age in Sun Prairie, Wisconsin is 36.9 years. The population is 48.6% male and 51.4% female.
The population has grown 32.5% since 2010 (29,626 → 39,253).
Where to stay in Sun Prairie
Visiting or relocating to Sun Prairie, WI? Compare hotels and short-term rentals across the metro — live availability and prices.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
More from Wisconsin
Population 569,756
Population 275,568
Population 106,585
Population 99,147
Population 77,155
Full rankings of Wisconsin cities by population
Statewide data for Wisconsin
Population, race, income, age, and trends across Wisconsin
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.