Union County, Illinois
Union County profile, demographic data, and geographic information.
Cities & Towns in Union County
Constituent municipalities and census communities located within Union County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Alto Pass village | Village | 1701205 | 2.13 sq mi |
| Anna city | City | 1701543 | 3.69 sq mi |
| Cobden village | Village | 1715300 | 1.22 sq mi |
| Dongola village | Village | 1720305 | 1.09 sq mi |
| Jonesboro city | City | 1738635 | 2.70 sq mi |
| Mill Creek village | Village | 1749178 | 0.38 sq mi |