Ionia

City in Ionia County, Michigan

View of Ionia, Michigan
Photo: WMrapids · CC0

Ionia is a city in Ionia County, Michigan, with 13,378 residents (2020 Census). It sits at 715 ft (218 m) above sea level. The nearest town is Lyons, 6.5 miles E.

About Ionia

Ionia ( 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.

Text: Wikipedia · CC BY-SA 4.0

Ionia weather: 7-day forecast

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Source: National Weather Service (NOAA).

Live webcams in Ionia

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Living in Ionia

Median household income
$63,978
Median home value
$164,800
Median rent
$852/mo
Median age
36.6
Cost of living and demographics of Ionia ›

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Map of Ionia

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Ionia Street View

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Ionia, MI population

Ionia had 13,378 residents in the 2020 Census.

2020 Census13,378
Density2,391 per sq mi (923 per km²)

Source: U.S. Census Bureau, Decennial Census.

Ionia at a glance

StateMichigan (MI)
CountyIonia County
TypeCity
Population13,378 (2020)
Land area5.60 sq mi (14.5 km²)
Water area0.14 sq mi (0.37 km²)
Elevation715 ft (218 m)
Coordinates42.9768° N, 85.0746° W
ZIP code48846
Official websiteci.ionia.mi.us
Census code (GEOID)2640860

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Ionia

Straight-line distance between town centers.

Frequently asked questions about Ionia

What county is Ionia in?

Ionia is in Ionia County, Michigan.

What is the population of Ionia, MI?

13,378 people lived in Ionia at the 2020 Census.

What is the ZIP code of Ionia, MI?

The ZIP code of Ionia is 48846.

What is the elevation of Ionia?

715 feet (218 m) above sea level.

What towns are near Ionia?

Lyons (6.5 mi), Muir (7.2 mi), Saranac (7.6 mi), Palo (10.3 mi), Belding (11.5 mi).

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