Henry County, Illinois

Henry County
Henry County
County
	Henry County Courthouse
	Location within the U.S. state of Illinois
	Illinois's location within the U.S.
	Coordinates: 41°21′N 90°08′W / 41.35°N 90.14°W
Country	United States
State	Illinois
Founded	January 13, 1825
Named for	Patrick Henry
Seat	Cambridge
Largest city	Kewanee
Area
• Total	826 sq mi (2,140 km2)
• Land	823 sq mi (2,130 km2)
• Water	2.7 sq mi (7 km2) 0.3%
Population (2020)
• Total	49,284
• Density	60/sq mi (23/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional districts	16th, 17th
Website	www.henrycty.com

Henry County is a county located in the U.S. state of Illinois. The 2020 United States Census, listed its population at 49,284.^[1] Its county seat is Cambridge.^[2]

^ "Henry County, Illinois". United States Census Bureau. Retrieved June 9, 2023.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). pp. 5, 36. Archived from the original (PDF) on May 14, 2006. Retrieved July 21, 2006.