Ionia County MI Information


Ionia County Subdivisions

Ionia County MI Data & Demographics (As of July 1, 2017)


Total Population 65,515
Daytime Population: Workers 19,232
Daytime Population: Residents 33,329
Total Daytime Population (TDP) 52,561
Ratio TDP/Total Population1 0.80
Population in Households 60,037
Population in Familes 49,945
Population in Group Qrtrs 5,478
Population Density2 115
Diversity Index3 25


Median Household Income $52,879
Average Household Income $62,621
Per Capita Income $22,232


Total Housing Units 25,343 (100%)
Owner Occupied HU 17,280 (68.2%)
Renter Occupied HU 5,341 (21.1%)
Vacant Housing Units 2,722 (10.7%)
Median Home Value $124,235
Average Home Value $151,818


Total Households 22,621
Average Household Size 2.65
Family Households 16,114
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 0.34% 0.4%
Households 0.29% 0.37%
Families 0.12% 0.26%
Median Household Income   0.78%
Per Capita Income   1.85%


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, 2017 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 # 69 18th

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