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.
History
Before Euro-American migration, this was the location of an Odawa village. The leader of the Odawa here was Cobmoosa. His people planted crops here in 1833 but when Dexter and his associates arrived, they sold these crops to Dexter and relocated to the Flat River. In the 1850s, they were relocated to Oceana County.
- First Euro-American settlers in May 1833 by settlers from New York led by Samuel Dexter Jr.
- Platted in 1841
- Incorporated as a village in 1865
- Organized into a city in 1873
Geography
According to the United States Census Bureau, the town has a total area of , of which is land and (2.36%) is water.