Monroe County, Illinois
Monroe County profile, demographic data, and geographic information.
Cities & Towns in Monroe County
Constituent municipalities and census communities located within Monroe County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Columbia city | City | 1715833 | 10.56 sq mi |
| Dupo village | Village | 1721254 | 6.18 sq mi |
| Fults village | Village | 1728170 | 0.05 sq mi |
| Hecker village | Village | 1733877 | 0.27 sq mi |
| Maeystown village | Village | 1746058 | 0.30 sq mi |
| Valmeyer village | Village | 1777265 | 3.42 sq mi |
| Waterloo city | City | 1779150 | 8.29 sq mi |