County · Michigan
Ionia County, Michigan
Ionia County, Michigan. Ionia County had 66,557 residents in 2025 by the Census Bureau's estimate, down 0.4% since 2020, while Michigan grew 0.5%. It holds 27 places (10 cities, villages and boroughs, 16 towns and townships and 1 census-designated) and 16 census tracts. GEOID 26067.
Ionia County is one of the 5 counties of the Grand Rapids-Wyoming-Kentwood, MI metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
66,557
Census Bureau estimate (no margin published)
2020 Census count: 66,804 · ACS 2020-2024: 66,574
Median household income
$75,611
±$2,186 (90% margin)
Michigan: $72,875
Median home value
$198,500
±$7,622 (90% margin)
Michigan: $231,600
Median gross rent
$884
±$64 (90% margin)
Michigan: $1,129
How many people live in Ionia County, and is it growing?
The 2020 Census counted 66,804 residents in Ionia County. The Census Bureau estimates 66,557 for July 1, 2025, down 0.4% since 2020, while Michigan grew 0.5%. The 2020-2024 American Community Survey puts the population at 66,574 over 571 square miles of land.
| Measure | Ionia County | Michigan | Change since 2015-2019 |
|---|---|---|---|
| Total population | 66,574 | 10,077,761 | +2,274 |
| Households | 23,355±286 | 4,076,369 | no clear change |
| Average household size | 2.71±0.03 | 2.42 | +0.08 |
| Housing units | 24,861±68 | 4,622,236 | no clear change |
Ionia County's population since 2000
From 61,518 in 2000 to 66,557 in 2025: up 8.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Ionia County?
Ionia County holds 27 places: 10 cities, villages and boroughs (incorporated places), 16 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Ionia with 12,208 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Ionia | 13,378 | $63,978 |
|---|---|---|
| Boston Township | 6,021 | $83,977 |
| Belding | 5,938 | $60,373 |
| Ionia Township | 3,961 | $60,189 |
| Odessa Township | 3,918 | $78,281 |
| Portland Township | 3,881 | $101,890 |
| Portland | 3,796 | $65,845 |
| Lyons Township | 3,513 | $75,294 |
| Easton Township | 3,058 | $76,418 |
| Danby Township | 2,953 | $92,768 |
| Orleans Township | 2,664 | $62,978 |
| Campbell Township | 2,399 | $85,128 |
| Otisco Township | 2,268 | $62,168 |
| Berlin Township, Ionia County | 2,138 | $74,250 |
| Lake Odessa | 1,994 | $62,813 |
| Ronald Township | 1,861 | $63,098 |
| Keene Township | 1,730 | $96,250 |
| Saranac | 1,376 | $66,944 |
| North Plains Township | 1,191 | $60,724 |
| Sebewa Township | 1,124 | $95,500 |
| Orange Township, Ionia County | 1,012 | $91,667 |
| Lyons | 763 | $68,603 |
| Muir | 646 | $46,771 |
| Pewamo | 503 | $72,500 |
| Clarksville | 411 | $75,625 |
| Hubbardston | 369 | $83,750 |
| PaloGEOID 2662260 | 236 | $34,489 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Ionia County?
The median resident of Ionia County is 39.1 years old; 20.9% are under 18 and 15.8% are 65 or older. The largest group is non-Hispanic white residents at 85.3%, then Hispanic or Latino residents (of any race) at 5.3%. 1.4% of residents were born outside the United States.
| Measure | Ionia County | Michigan | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.1±0.4 | 40.2 | no clear change |
| Under 18 years | 20.9% | 21.2% | – |
| 65 years and over | 15.8%±0.1 pts | 18.6% | – |
| Hispanic or Latino (any race) | 5.3% | 5.9% | +0.5 pts |
| White alone, not Hispanic | 85.3%±0.4 pts | 72.4% | −3.0 pts |
| Black or African American alone, not Hispanic | 3.3%±0.5 pts | 13.1% | −1.2 pts |
| Asian alone, not Hispanic | 0.5%±0.1 pts | 3.4% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.5%±0.4 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.8%±0.6 pts | 4.5% | – |
| Some other race alone, not Hispanic | 0.3%±0.3 pts | 0.5% | – |
| Born outside the United States | 1.4%±0.3 pts | 7.2% | no clear change |
| Speak a language other than English at home (age 5+) | 2.5%±0.5 pts | 10.4% | – |
| Civilian veterans (age 18+) | 6.5%±0.7 pts | 5.8% | – |
| With a disability | 14.4%±1.2 pts | 14.3% | – |
| No health insurance coverage | 5.2%±0.7 pts | 4.9% | no clear change |
| High school graduate or higher (age 25+) | 91.0%±0.9 pts | 92.1% | – |
| Bachelor's degree or higher (age 25+) | 18.5%±1.2 pts | 32.4% | +2.1 pts |
| Graduate or professional degree (age 25+) | 5.3%±0.8 pts | 12.7% | – |
| Moved from another state in the past year | 0.5%±0.2 pts | 1.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Ionia County earn?
Half of Ionia County's 23,355 households earn less than $75,611 a year (±$2,186), against $72,875 in Michigan. In 2015-2019 the median was $70,202 in 2024 dollars, so it rose by $5,409 after inflation. 10.6% of residents live below the poverty line.
| Measure | Ionia County | Michigan | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $75,611±$2,186 | $72,875 | +$5,409 |
| Mean household income | $88,563±$4,846 | $98,700 | – |
| Per capita income | $33,289±$1,668 | $40,735 | +$2,689 |
| People below the poverty line | 10.6%±1.2 pts | 13.2% | no clear change |
| Children under 18 below the poverty line | 13.0%±3.1 pts | 17.6% | no clear change |
| Households receiving SNAP | 13.6%±1.3 pts | 13.5% | – |
| Households with a broadband subscription | 87.6%±1.5 pts | 90.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Ionia County?
Owners occupy 77.3% of Ionia County's occupied homes and renters 22.7%. The median owner-occupied home is valued at $198,500 by its owner (±$7,622). The median renter pays $884 a month including utilities, and 35.1% of renters pay 35% or more of their income on rent.
| Measure | Ionia County | Michigan | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $198,500±$7,622 | $231,600 | +$36,295 |
| Median gross rent | $884±$64 | $1,129 | no clear change |
| Renters paying 35% or more of income on rent | 35.1%±4.7 pts | 41.4% | +8.0 pts |
| Median monthly owner costs, with a mortgage | $1,383±$34 | $1,569 | – |
| Owner-occupied homes | 77.3%±1.9 pts | 73.2% | no clear change |
| Housing units | 24,861±68 | 4,622,236 | no clear change |
| Homeowner vacancy rate | 0.2%±0.2 pts | 0.8% | – |
| Rental vacancy rate | 3.8%±1.6 pts | 5.1% | – |
| Single-family detached homes | 74.5%±1.6 pts | 72.0% | – |
| Mobile homes | 11.7%±1.1 pts | 5.0% | – |
| Built 2020 or later | 1.9%±0.6 pts | 1.0% | – |
| Built 1939 or earlier | 27.2%±1.9 pts | 14.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Ionia County building?
Builders took permits for 100 new housing units across Ionia County in 2025 (95 single-family), 1.5 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Ionia County get to work?
78.7% of Ionia County's workers drive alone and 9.1% work from home. The average trip to work takes 27.1 minutes. The unemployment rate in 2020-2024 averaged 3.9%.
| Measure | Ionia County | Michigan | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 59.2%±1.4 pts | 61.3% | – |
| Unemployment rate | 3.9%±0.8 pts | 5.7% | no clear change |
| Drove alone to work | 78.7%±1.9 pts | 74.3% | – |
| Carpooled | 8.5%±1.4 pts | 7.9% | – |
| Public transportation | 1.2%±0.6 pts | 0.9% | – |
| Walked | 1.8%±0.6 pts | 2.0% | – |
| Worked from home | 9.1%±1.5 pts | 13.5% | +4.9 pts |
| Mean travel time to work | 27.1 min±1.1 | 24.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Ionia County's census tracts?
Ionia County is divided into 16 census tracts. Among those with a reliable estimate, median household income runs from $58,125 (Tract 303) to $98,165 (Tract 314).
| Tract 301.0126067030101 | 2,759±275 | $62,788 |
|---|---|---|
| Tract 301.0226067030102 | 3,930±134 | $73,654 |
| Tract 30226067030200 | 2,809±329 | $66,923 |
| Tract 30326067030300 | 3,151±325 | $58,125 |
| Tract 304.0126067030401 | 3,463±262 | $63,493 |
| Tract 304.0226067030402 | 2,923±302 | $78,971 |
| Tract 31226067031200 | 5,538±359 | $81,903 |
| Tract 313.0126067031301 | 5,126±284 | $84,460 |
| Tract 313.0226067031302 | 3,311±340 | $82,383 |
| Tract 31426067031400 | 5,054±350 | $98,165 |
| Tract 31526067031500 | 5,639±351 | $76,441 |
| Tract 31626067031600 | 6,742±555 | $69,034 |
| Tract 31726067031700 | 5,590±489 | $66,078 |
| Tract 31926067031900 | 5,948±556 | $67,231 |
| Tract 32126067032100 | 2,006±333 | $70,956 |
| Tract 982226067982200 | 2,585±69 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Ionia County compare with Michigan's other counties?
| Measure | Rank |
|---|---|
| Population | 30th of 83 |
| Growth 2020-2025 | 61st of 83 |
| Residents per square mile | 29th of 83 |
| Median household income | 18th of 83 |
| Median home value | 28th of 83 |
| Median gross rent | 42nd of 83 |
| Poverty rate | 63rd of 83 |
| Bachelor's degree or higher | 63rd of 83 |
| Median age | 75th of 83 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Ionia County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.