County
· Illinois
Clay County
Clay County is a county in the southeastern portion of the U.S. state of Illinois. As of the 2020 United States census, the population was 13,288. Since 1842, its county seat has been Louisville, in the center of the county's area. In 1950, the U.S. Census Bureau placed the mean center of U.S. population in Clay County.
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Cities and towns 6
Townships 12
- Township of Bible Grove pop. 302
- Township of Blair pop. 608
- Township of Clay City pop. 1,119
- Township of Harter pop. 6,077
- Township of Hoosier pop. 314
- Township of Larkinsburg pop. 576
- Township of Louisville pop. 1,685
- Township of Oskaloosa pop. 338
- Township of Pixley pop. 535
- Township of Songer pop. 346
- Township of Stanford pop. 601
- Township of Xenia pop. 642
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 162125
- FIPS state
- 17
- FIPS county
- 025
- FIPS place
- 99025
- Census record name
- COUNTY OF CLAY
- Mailing address
- COUNTY COURTHOUSE, LOUISVILLE 62858