Sun Prairie city, Wisconsin
Official LSAD Designation: Sun Prairie city • Census GEOID: 5578600
• Dane County
Sun Prairie city is an incorporated city in Dane County, Wisconsin. According to official records from the Census (2025), Sun Prairie city had an estimated population of 39,227 residents. Official Census Bureau geographic records classify this community under LSAD designation Sun Prairie city (GEOID 5578600).
Local Government Administration U.S. Census Bureau GMAF
City Of Sun Prairie
Municipal
Official Title:
Mayor
Address:
300 E MAIN ST, SUN PRAIRIE WI 53590-2227
County Of Dane
County
Official Title:
Director Of Administration
Address:
210 MARTIN LUTHER KING JR BLVD, RM 421, MADISON WI 53703-3345
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 39,227 | 2025 |
| Median Household Income | $90,942 | 2020-2024 |
| Median Home Value | $365,700 | 2020-2024 |
| Land Area | 13.33 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).