Waterloo city, Wisconsin
Official LSAD Designation: Waterloo city • Census GEOID: 5583925
• Jefferson County
Waterloo city is an incorporated city in Jefferson County, Wisconsin. According to official records from the Census (2025), Waterloo city had an estimated population of 3,600 residents. Official Census Bureau geographic records classify this community under LSAD designation Waterloo city (GEOID 5583925).
Local Government Administration U.S. Census Bureau GMAF
City Of Waterloo
Municipal
Official Title:
Clerk Treasurer
Address:
136 N MONROE ST, WATERLOO WI 53594-1125
County Of Jefferson
County
Official Title:
Chairperson
Address:
311 S CENTER AVE, JEFFERSON WI 53549-1799
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,600 | 2025 |
| Median Household Income | $87,776 | 2020-2024 |
| Median Home Value | $230,600 | 2020-2024 |
| Land Area | 3.79 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).