Ionia
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Outdoors in Ionia
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About Ionia
Largest city and the county seat of Ionia County, Michigan, United StatesIonia ( eye-OH-nyə) 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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
How Ionia ranks
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Housing in Ionia
The median sale price was $194,000 in May 2026.
A strong seller's market
Safety in Ionia
Safety Grade B
Ionia reports less crime per resident than 62% of the U.S. towns and cities we grade.
Schools in Ionia
All Ionia schools →School Grade C+
The public schools Ionia’s kids attend, from kindergarten through graduation, trail 65% of Michigan’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.
School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MI. Ratings are from neighbors.
Where Ionia is
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