Whiteside County, Illinois

Whiteside County
County
Street painting in Morrison
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 41°45′N 89°55′W / 41.75°N 89.91°W / 41.75; -89.91
Country	United States
State	Illinois
Founded	1836
Named for	Samuel Whiteside
Seat	Morrison
Largest city	Sterling
Area
• Total	697 sq mi (1,810 km2)
• Land	684 sq mi (1,770 km2)
• Water	12 sq mi (30 km2)  1.8%
Population  (2020)[1]
• Total	55,691
• Density	80/sq mi (31/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Website	www.whiteside.org

Whiteside County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 55,691.^[1] The county seat is Morrison.^[2]

Former U.S. President Ronald Reagan was born in the Whiteside County community of Tampico.

1. ↑ ^{1.0 1.1} "QuickFacts: Whiteside County, Illinois". United States Census Bureau. Retrieved August 14, 2023.
2. ↑ "Find a County". National Association of Counties. Retrieved 7 June 2011.