Ionia County, Michigan

Ionia County
Ionia County Courthouse in Ionia
Ionia County Courthouse in Ionia
Official seal of Ionia County
Map of Michigan highlighting Ionia County
Location within the U.S. state of Michigan
Map of the United States highlighting Michigan
Michigan's location within the U.S.
Coordinates: 42°56′N 85°04′W / 42.94°N 85.07°W / 42.94; -85.07
Country United States
State Michigan
FoundedMarch 2, 1831 (created)
1837 (organized)[1]
Named forIonia
SeatIonia
Largest cityIonia
Area
 • Total
580 sq mi (1,500 km2)
 • Land571 sq mi (1,480 km2)
 • Water8.7 sq mi (23 km2)  1.5%
Population
 (2020)
 • Total
66,804
 • Density112/sq mi (43/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websiteioniacounty.org

Ionia County (/ˈnjə/ 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 is part of the Grand Rapids-Kentwood metropolitan statistical area.

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