Ionia, MI Profile: Facts & Data


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Ionia, Michigan - Basic Facts

The City of Ionia had a population of 11,452 as of July 1, 2018. Ionia ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Michigan. See peer rankings below.

The primary coordinate point for Ionia is located at latitude 42.9768 and longitude -85.0746 in Ionia County. The formal boundaries for the City of Ionia (see map below) encompass a land area of 5.35 sq. miles and a water area of 0.13 sq. miles. Ionia County is in the Eastern time zone (GMT -5). The elevation is 718 feet.

The City of Ionia (GNIS ID: 1626521) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Alternate Unofficial Names for Ionia: Ionia Centre.

Jump to... (On This Page!)
  1. Ionia 2018 Demographic Data
  2. Growth Rates for Ionia (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Michigan Research Tools (Easy Tools & Current Data)
  3. Michigan Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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


Total Population 11,452
Population in Households 6,759
Population in Familes 5,242
Population in Group Qrtrs 4,693
Population Density2 2,142
Diversity Index3 52


Median Household Income $37,098
Average Household Income $48,718
Per Capita Income $13,831


Total Housing Units 2,846 (100%)
Owner Occupied HU 1,539 (54.1%)
Renter Occupied HU 939 (33.0%)
Vacant Housing Units 368 (12.9%)
Median Home Value $94,188
Average Home Value $127,376


Total Households 2,478
Average Household Size 2.73
Family Households 1,601
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.06% 0.2%
Households 0.25% 0.29%
Families 0.63% 0.16%
Median Household Income   2.88%
Per Capita Income   2.63%

Ionia, MI - Peer Comparisons by Rank and Percentile

The table below compares Ionia to the other 692 incorporated cities, towns and CDPs 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 # 88 87th
Population Density # 126 82nd
Diversity Index # 56 92nd
Median Household Income # 592 15th
Per Capita Income # 685 1st

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

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