Ionia County, Michigan

Ionia County
Ionia County
County
	Ionia County Courthouse in Ionia
	Seal
	Location within the U.S. state of Michigan
	Michigan's location within the U.S.
	Coordinates: 42°56′N 85°04′W / 42.94°N 85.07°W
Country	United States
State	Michigan
Founded	March 2, 1831 (created); 1837 (organized)
Named for	Ionia
Seat	Ionia
Largest city	Ionia
Area
• Total	580 sq mi (1,500 km2)
• Land	571 sq mi (1,480 km2)
• Water	8.7 sq mi (23 km2) 1.5%
Population (2020)
• Total	66,804
• Density	112/sq mi (43/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional district	2nd
Website	ioniacounty.org

Ionia County (/aɪˈoʊnjə/ eye-OH-nyə) is a county located in the U.S. state of Michigan. As of the 2020 census, the population was 66,804.^[2] The county seat is Ionia.^[3] The Ionia County Courthouse was designed by Claire Allen, a prominent southern Michigan architect.

^ "Ionia County". Clarke Historical Library, Central Michigan University. Archived from the original on September 6, 2015. Retrieved January 19, 2013.
^ "QuickFacts: Ionia County, Michigan". US Census Bureau. Archived from the original on February 13, 2023. Retrieved September 15, 2021.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.