Jefferson County, Illinois
Jefferson County profile, demographic data, and geographic information.
Cities & Towns in Jefferson County
Constituent municipalities and census communities located within Jefferson County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Belle Rive village | Village | 1704806 | 1.03 sq mi |
| Bluford village | Village | 1706964 | 1.59 sq mi |
| Bonnie village | Village | 1707263 | 1.28 sq mi |
| Centralia city | City | 1712164 | 8.20 sq mi |
| Dix village | Village | 1720123 | 2.07 sq mi |
| Ina village | Village | 1737179 | 2.41 sq mi |
| Mount Vernon city | City | 1751180 | 14.66 sq mi |
| Nason city | City | 1751726 | 0.91 sq mi |
| Opdyke CDP | CDP | 1756198 | 0.53 sq mi |
| Waltonville village | Village | 1778708 | 1.24 sq mi |
| Woodlawn village | Village | 1783206 | 0.86 sq mi |