county in Illinois, United States From Wikipedia, the free encyclopedia
Clay County is a county in Illinois.
Clay County | |
|---|---|
Clay County Courthouse in Louisville | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 38°46′N 88°29′W | |
| Country |  United States |
| State |  Illinois |
| Founded | 23 December 1824 (created) 8 March 1825 (organized) |
| Named for | Henry Clay |
| Seat | Louisville |
| Largest city | Flora |
| Area | |
| • Total | 469.59 sq mi (1,216.2 km2) |
| • Land | 468.32 sq mi (1,212.9 km2) |
| • Water | 1.28 sq mi (3.3 km2) 0.3% |
| Population | |
| • Total | 13,288 |
| • Density | 28/sq mi (11/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Website | claycountyillinois |
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