Ionia is the largest city in and the county seat of Ionia County, Michigan, United States. The population was 13,378 at the 2020 census, and was estimated at 12,265 in 2024. Every July it hosts what is said to be the world's largest free-admission fair, the Ionia Free Fair. The city is mostly within Ionia Township, with small portion extending into Easton Township and Berlin Township, but is politically autonomous of the townships. The city is named after Ionia, a historic region in Greece.
Midwest
Ionia
Ionia County, MI
Population
13,081
Walk Score
66 · Somewhat Walkable
Median rent
$855
Median home value
$152,100
Settled
1833
From Wikipedia. Released under CC BY-SA.
On the National Register
Historic districts
- Ionia Downtown Commercial Historic District · listed 1984
- Ionia Historic District · listed 1984
Notable landmarks
- Blanchard, John C., House · listed 1974
- Hall-Fowler Memorial Library · listed 1971
- Ionia County Courthouse · listed 1979
- Leddick Funeral Home
- Lovell-Webber House · listed 1974
- Sessions Schoolhouse
- Sessions Schoolhouse · listed 1985
- Vanderheyden, William H., House
- VanderHeyden, William H., House · listed 1990
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