Monroe County, Illinois
25 public bodies govern here, 3 school districts are based here, and USDA lists 2 farmers markets. Everything below says where it came from.
In four numbers
- People
- 35,036
- Median household income
- $102,880
- ±5,432
- Unemployed
- 1.9%
- 370 of 19,224 in the labour force
- Homes with broadband
- 92.7%
- 12,836 of 13,851 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Monroe | 34,932 (2021) | 100 S Main St, Waterloo | Website |
Cities, towns and villages 6
| Name | People | Office | Website |
|---|---|---|---|
| City of Columbia | 10,959 (2021) | 208 S Rapp Ave, Columbia | Website |
| City of Waterloo | 11,062 (2021) | 100 W 4th St, Waterloo | Website |
| Village of Fults | 24 (2021) | Po Box 3, Fults | — |
| Village of Hecker | 422 (2021) | Po Box 176, Hecker | — |
| Village of Maeystown | 146 (2021) | Po Box 54, Maeystown | — |
| Village of Valmeyer | 1,221 (2021) | 626 S Meyer Ave, Valmeyer | Website |
Special districts 18
| Name | What it does | Office | Website |
|---|---|---|---|
| Waterloo Cemetery Maintenance District | Cemeteries | 2 Shady Oak Ln, Waterloo | — |
| Fish Lake Drainage and Levee District 8 | Drainage | 100 S Main St, Waterloo | — |
| Fort Chartres Ivy Landing Drainage and Levee District 5 | Drainage | 100 S Main St, Waterloo | — |
| Monroe County Flood Prevention District | Flood control | 104 United Dr, Collinsville | — |
| Valmeyer Public Library District | Libraries | 300 S Cedar Bluff Dr, Valmeyer | Website |
| Columbia Fire Protection District | Local fire protection | 1020 N Main St, Columbia | — |
| Hecker Fire Protection District | Local fire protection | 7400 W Main St, Belleville | — |
| Maeystown Fire Protection District | Local fire protection | Po Box 46, Maeystown | — |
| Valmeyer Fire Protection District | Local fire protection | Po Box 1, Valmeyer | — |
| Waterloo Community Fire Protection District | Local fire protection | 500 Bond St, Alton | Website |
| Columbia Drainage and Levee District 3 | Other natural resources | 100 S Main St, Waterloo | — |
| Harrisonville Levee and Drainage District | Other natural resources | 100 S Main St, Waterloo | — |
| Stringtown Drainage and Levee District 4 | Other natural resources | 5405 Vv Rd, Prairie Du Rocher | — |
| Monroe County Public Building Commission | Other single function districts | Po Box 3, Fults | — |
| Waterloo Park District | Parks and recreation | 6209 Chantilly Bnd, Waterloo | Website |
| Monroe Randolph Mass Transit District | Public mass transit utility | 820 W 2nd St, Sparta | — |
| Monroe County Soil and Water Conservation District | Soil and water conservation | 140 Williamsburg Ln, Waterloo | Website |
| Fountain Water Service District | Water supply utility | 732 Quarry Rd, Valmeyer | Website |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
Columbia CUSD 4
School district4 schools
5 Veterans Pkwy, Columbia, IL, 62236
Its website — where its board posts meetings. Federal record.
Valmeyer CUSD 3
School district3 schools
300 S Cedar Bluff Dr, Valmeyer, IL, 62295
Waterloo CUSD 5
School district5 schools
302 Bellefontaine Dr, Waterloo, IL, 62298
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Monroe County Farmer's Market - Columbia
1000 Columbia Center Columbia, IL, 62236
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Monroe County Farmer's Market - Waterloo
901 Illinois Avenue Waterloo, IL, 62298
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.