Ionia County, Michigan

Ionia County: County in MIchigan, United States

About

Ionia County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 63,905 and a population density of 43 people per km². After 10 years in 2020 county had an estimated population of 64,553 inhabitants. Its county seat is Ionia. The county was created 193 years ago in 1831.

Ionia County locator map
Location of Ionia County on Michigan map.

Quick Facts about Ionia County

Population : 64,553 (2020)
Country : United States of America
State : Michigan (United States)
Area : 1503 km2
Water as percent of area : 1.5%
Land as percent of area : 98.5%
Named for : Ionia
Altitude : 810 feet / 247 meters
Capital : Ionia
Establishment : March 03, 1831
Time Zone : America/Detroit
Local time : 21:16:03 (22nd February 2025)
Density : 43 Pop. per km² as of 2020
Population growth : 1% (2010-2020)
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Geography

Ionia County is located at 42°56'42"N 85°4'29"W (42.9450900, -85.0746000). It has 2 neighbors: Barry County and Montcalm County.

Ionia County map

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The largest city of Ionia County is Belding with a population of 5,738. Other cities include, Ionia population 3,820, Portland population 3,490, Lake Odessa population 2,041 and Saranac population 1,325. See all Ionia County cities & populated places.

Ionia County Populated Places

Cities, towns, neighborhoods & other populated places in Ionia County.

City Name Population Title
Belding 5,738 City in Ionia County in the U.
Ionia 3,820 City in and county seat of Ionia County, Michigan, United States
Portland 3,490 City in Michigan, United States
Orleans 2,836 Township of Michigan
Lake Odessa 2,041 City in Ionia County, Michigan, United States of America
Saranac 1,325 City in Ionia County, Michigan, United States of America
Lyons 808 Human settlement in Ionia County, Michigan, United States of America
Muir 609 Village in Lyons Township, Ionia County in the U.
Pewamo 482 Village in Ionia County, Michigan, United States of America
Hubbardston 402 Village in Ionia and Clinton counties in Michigan, United States
Clarksville 395 Human settlement in Ionia County, Michigan, United States of America

Ionia County has 2 neighbours.

  • Ionia

Demographics

The population of Ionia County increased by 1% in 10 years.

Year Population % Change Method
2010 63,905 - census
2011 63,860 -0.07% estimation process
2012 63,888 0.04% estimation process
2013 63,991 0.16% estimation process
2014 64,232 0.38% estimation process
2015 64,056 -0.27% estimation process
2016 64,187 0.2% estimation process
2017 64,284 0.15% estimation process
2018 64,276 -0.01% estimation process
2019 64,697 0.65% estimation process
2020 64,553 -0.22% estimation process

Ajonija, Ayonia srjan, Comitatul Ionia, Comte d'Ionia, Comte de Ionia, Comté d'Ionia, Comté de Ionia, Condado de Ionia, Condado han Ionia, Contea di Ionia, Hrabstwo Ionia, Ionia, Ionia Comitatus, Ionia Kun, Ionia Kūn, Ionia konderria, Ionia megye, Okrug Ajonija, Quan Ionia, Quận Ionia, a'i'ona ka'unti, ai ao ni ya xian, ionia jun, shhrstan aywnya myshygan, Айония, Айонія, Округ Ајонија, Այոնիա շրջան, آئونیا کاؤنٹی، مشی گن, ایونیا کاؤنٹی, شهرستان آیونیا، میشیگان, আইওনা কাউন্টি, イオニア郡, 愛奧尼亞縣

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