Map of Ionia city, Michigan

Ionia (/aɪˈoʊnjə/ 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. Every July it hosts what is said to be the world’s largest free-admission 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.

Ionia city overview:
Name:	Ionia city
LSAD Code:	25
LSAD Description:	city (suffix)
State:	Michigan
County:	Ionia County
Elevation:	637 ft (194 m)
Total Area:	5.54 sq mi (14.36 km²)
Land Area:	5.41 sq mi (14.02 km²)
Water Area:	0.13 sq mi (0.34 km²)
Total Population:	13,378
Population Density:	2,472.37/sq mi (954.51/km²)
ZIP code:	48846
Area code:	616
FIPS code:	2640860
GNISfeature ID:	1626521
Website:	http://www.ci.ionia.mi.us/

Online Interactive Map

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Ionia online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Ionia location map. Where is Ionia city?

Ionia location on the U.S. Map. Where is Ionia city. — Ionia location on the U.S. Map.

Ionia location on the Michigan map. Where is Ionia city. — Location of Ionia in Michigan.

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 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

Ionia Road Map

Ionia city Satellite Map

Geography

According to the United States Census Bureau, the city has a total area of 5.48 square miles (14.19 km), of which 5.35 square miles (13.86 km) is land and 0.13 square miles (0.34 km) is water. Ionia is between Michigan’s capital, Lansing, and its second largest city, Grand Rapids.

Climate

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. This region is also prone to dense and heavy fog, along with flooding (sometimes very damaging) due to the Grand River that flows through the city, during the spring. According to the Köppen Climate Classification system, Ionia has a humid continental climate, abbreviated “Dfb” on climate maps.