Ionia County MI Information


Ionia County Subdivisions

Ionia County MI Data & Demographics (As of July 1, 2018)


Total Population 65,544
Population in Households 60,173
Population in Familes 49,696
Population in Group Qrtrs 5,371
Population Density1 115
Diversity Index2 25


Median Household Income $53,698
Average Household Income $64,558
Per Capita Income $22,883


Total Housing Units 25,310 (100%)
Owner Occupied HU 17,258 (68.2%)
Renter Occupied HU 5,367 (21.2%)
Vacant Housing Units 2,685 (10.6%)
Median Home Value $138,213
Average Home Value $165,919


Total Households 22,625
Average Household Size 2.66
Family Households 16,076
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.31% 0.44%
Households 0.26% 0.41%
Families 0.08% 0.3%
Median Household Income   1.9%
Per Capita Income   2.67%


Ionia County MI - Peer Comparisons by Rank and Percentile

The table below compares Ionia County to the other 83 counties and county equivalents in Michigan by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 30 65th
Population Density # 30 65th
Diversity Index # 31 64th
Median Household Income # 17 81st
Per Capita Income # 67 20th

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.