Clay County, Illinois

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Clay County is a county located in the U.S. state of Illinois, and determined by the U.S. Census Bureau to include the mean center of U.S. population in 1950. As of 2000, the population was 14,560. The county seat is Louisville.

Contents

History

Clay County was formed in 1824 out of portions of Wayne, Crawford, and Fayette counties. Its name is in honor of Henry Clay, famous American statesman, member of the United States Senate from Kentucky and United States Secretary of State in the 19th century. Clay was an unsuccessful candidate for President in the year the County was named.

Clay County from the time of its creation to 1831

Clay County between 1831 and 1841

Clay County was reduced to its current size in 1841 by the creation of Richland County.

Geography

According to the U.S. Census Bureau, the county has a total area of 470 square miles (1,217.3 km2), of which 469 square miles (1,214.7 km2) is land and 1 square mile (2.6 km2) (0.13%) is water.

Adjacent counties

Major highways

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