ZIP Code 50645
About Ionia
Ionia is a city in Chickasaw County, Iowa, United States. The population was 226 at the time of the 2020 census. The Ionia post office opened in 1870.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,301
population
$61,563
median household income
15
people / sq mi
$113,000
median home value
$806
median gross rent
57.4
median age
731
housing units
623
households
85.6
land area (sq mi)