DeWitt County, Illinois

DeWitt County
DeWitt County
County
	DeWitt County Courthouse in Clinton
	Location within the U.S. state of Illinois
	Illinois's location within the U.S.
	Coordinates: 40°10′29″N 88°54′15″W / 40.17463°N 88.90409°W
Country	United States
State	Illinois
Founded	1839
Named for	DeWitt Clinton
Seat	Clinton
Largest city	Clinton
Area
• Total	405 sq mi (1,050 km2)
• Land	398 sq mi (1,030 km2)
• Water	7.6 sq mi (20 km2) 1.9%
Population (2020)
• Total	15,516
• Density	38/sq mi (15/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	15th
Website	www.dewittcountyill.com

DeWitt County is a county located in the U.S. state of Illinois. As of the 2020 census, the population was 15,516.^[1] Its county seat is Clinton.^[2] The county was formed on March 1, 1839, from Macon and McLean counties. The county was named in honor of the seventh Governor of New York State, DeWitt Clinton.^[3]

The U.S. Census Bureau and the U.S. Geological Survey (USGS) list the county's name as De Witt, although the county uses the name DeWitt (no space).

^ "De Witt County, Illinois". United States Census Bureau. Retrieved June 8, 2023.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 105.