Clark County, Illinois
Clark County profile, demographic data, and geographic information.
Cities & Towns in Clark County
Constituent municipalities and census communities located within Clark County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Casey city | City | 1711618 | 2.62 sq mi |
| Marshall city | City | 1747163 | 3.69 sq mi |
| Martinsville city | City | 1747254 | 2.02 sq mi |
| West Union CDP | CDP | 1780879 | 1.81 sq mi |
| Westfield village | Village | 1780281 | 0.98 sq mi |