Mercer County, Illinois
Mercer County profile, demographic data, and geographic information.
Cities & Towns in Mercer County
Constituent municipalities and census communities located within Mercer County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Aledo city | City | 1700646 | 2.34 sq mi |
| Alexis village | Village | 1700672 | 0.47 sq mi |
| Cable CDP | CDP | 1710305 | 1.14 sq mi |
| Eliza CDP | CDP | 1723139 | 0.13 sq mi |
| Hamlet CDP | CDP | 1732473 | 0.45 sq mi |
| Joy village | Village | 1738739 | 0.43 sq mi |
| Keithsburg city | City | 1739298 | 2.56 sq mi |
| Matherville village | Village | 1747527 | 0.39 sq mi |
| Millersburg CDP | CDP | 1749243 | 0.30 sq mi |
| New Boston city | City | 1752220 | 0.94 sq mi |
| North Henderson village | Village | 1753793 | 0.23 sq mi |
| Preemption CDP | CDP | 1761782 | 1.11 sq mi |
| Reynolds village | Village | 1763420 | 0.37 sq mi |
| Seaton village | Village | 1768458 | 1.58 sq mi |
| Sherrard village | Village | 1769368 | 0.93 sq mi |
| Swedona CDP | CDP | 1774145 | 0.28 sq mi |
| Viola village | Village | 1778123 | 0.84 sq mi |
| Windsor village | Village | 1782309 | 0.44 sq mi |