Wausau city, Wisconsin
Official LSAD Designation: Wausau city • Census GEOID: 5584475
• Marathon County
Wausau city is an incorporated city in Marathon County, Wisconsin. According to official records from the Census (2025), Wausau city had an estimated population of 40,188 residents. Official Census Bureau geographic records classify this community under LSAD designation Wausau city (GEOID 5584475).
Local Government Administration U.S. Census Bureau GMAF
City Of Wausau
Municipal
Official Title:
City Clerk
Address:
407 GRANT ST, WAUSAU WI 54403-4737
County Of Marathon
County
Official Title:
Chairman
Address:
500 FOREST ST, WAUSAU WI 54403-5568
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 40,188 | 2025 |
| Median Household Income | $64,389 | 2020-2024 |
| Median Home Value | $167,900 | 2020-2024 |
| Land Area | 19.23 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).