Monroe County, Illinois cities by population
Number of cities: 6
Population: 34,732
Largest city: Columbia
| City | Type | Population |
|---|---|---|
| Columbia | city | 11,090 |
| Waterloo | city | 10,906 |
| Valmeyer | village | 1,248 |
| Hecker | village | 554 |
| Maeystown | village | 107 |
| Fults | village | 22 |
What is the largest city in Monroe County, Illinois?
Columbia is the largest city in Monroe County, Illinois with a population of 11,090.
TOP-5 cities by population in Monroe County, Illinois:
- Columbia
- Waterloo
- Valmeyer
- Hecker
- Maeystown