Monroe
County in Illinois
County
The population development of Monroe.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Monroe | County | 22,422 | 27,619 | 32,957 | 34,953 | → |
| Illinois | State | 11,430,602 | 12,419,293 | 12,830,632 | 12,813,469 |
Contents: Places
The population development of the places in Monroe.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Columbia | City | Monroe / St. Clair | 6,089 | 7,875 | 9,698 | 11,012 | → |
| Dupo | Village | St. Clair / Monroe | 3,849 | 4,021 | 4,179 | 3,987 | → |
| Fults | Village | Monroe | 67 | 28 | 26 | 27 | → |
| Hecker | Village | Monroe | 534 | 470 | 486 | 431 | → |
| Maeystown | Village | Monroe | 116 | 138 | 159 | 151 | → |
| Valmeyer | Village | Monroe | 957 | 612 | 1,251 | 1,231 | → |
| Waterloo | City | Monroe | 5,895 | 8,110 | 9,958 | 11,013 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.