Ionia Flag

Ionia

County:
Ionia County
County Seat:
Yes
Area (mi²):
5.411
State:
Michigan

Ionia is a city located in Ionia County, Michigan. Ionia has a 2025 population of 11,503. It is also the county seat of Ionia CountyIonia is currently declining at a rate of -3.14% annually and its population has decreased by -13.95% since the most recent census, which recorded a population of 13,368 in 2020.

The average household income in Ionia is $65,914 with a poverty rate of 16.37%.The median age in Ionia is 38.2 years: 38.1 years for males, and 38.4 years for females.

11.5K
Total Population
2,126
Density (mi²)
-373 -3.14%
Growth

Ionia Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)