Ionia County, Michigan Demographics 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

Ionia County, Michigan has a population of 66,574, the 30th most populous county in Michigan. The median household income is $75,611 and the median home value is $198,500. The poverty rate is 10.6%.

Ionia County Quick Facts

Population 66,574

Median Household Income $75,61190% MOE ±$2,186

Median Home Value $198,50090% MOE ±$7,622

Poverty Rate 10.6%90% MOE ±1.2 pts

Unemployment Rate 3.9%90% MOE ±0.8 pts

Median Age 39.1 years90% MOE ±0.4 years

Homeownership Rate 77.3%90% MOE ±2.1 pts

Affordability Ratio 2.6x

Bachelor's Degree+ 18.5%90% MOE ±1.3 pts

Adults 25+ with high school education or higher 91.0%

Cities/Places 10

Population 66,574 30th of 83

Median Income $75,611 4% higher than state

Poverty Rate 10.6%

Unemployment 3.9%

How Ionia County Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric	2015–2019	2020–2024	Change
Population	64,300	66,574	+3.5%
Median household income	$70,203	$75,611	+7.7%
Median home value¹	$162,207	$198,500	+22.4%
Median gross rent	$945	$884	No clear change (-6.5%)

¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

Median Household Income

Ionia

$75,611

$72,875

National

$80,734

Median Home Value

Ionia

$198,500

$231,600

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 15.1%

$25K-$50K 18.2%

$50K-$100K 34.0%

$100K+ 32.6%

Detailed income brackets

Under $10K

5.3%

$10K-$15K

3.7%

$15K-$20K

3.1%

$20K-$25K

3.0%

$25K-$30K

2.5%

$30K-$35K

4.5%

$35K-$40K

4.1%

$40K-$45K

3.4%

$45K-$50K

3.8%

$50K-$60K

6.1%

$60K-$75K

10.0%

$75K-$100K

17.9%

$100K-$125K

11.4%

$125K-$150K

7.4%

$150K-$200K

8.7%

$200K+

5.1%

Employment

3.9% Unemployment Rate State: 5.7%|National: 5.2%

59.2% Labor Force Participation

Housing Overview

Owner 77.3%

Renter 22.7%

Affordability Index Very Affordable

2.6x home value to income ratio

Median gross rent $884/mo 14.0% of median household income annually

People & Demographics

Age Distribution

Under 18

20.9%

18-34

23.7%

35-54

26.3%

55-74

23.3%

75+

5.8%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 45 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Ionia County

City	Population	Median Income	Poverty	Home Value
Ionia	12,753	$63,978	12.0%	$164,800
Belding	5,960	$60,373	15.5%	$163,800
Portland	3,790	$65,845	7.3%	$166,200
Lake Odessa	2,155	$62,813	13.5%	$148,600
Saranac	2,013	$66,944	15.3%	$202,800
Lyons	896	$68,603	12.2%	$121,500
Muir	490	$46,771	14.1%	$143,100
Pewamo	439	$72,500	6.6%	$189,400
Clarksville	417	$75,625	9.3%	$173,000
Palo	375	$34,489	20.3%	$94,300

Explore Michigan Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Ionia County is located in Michigan with a total population of 66,574. It is the 30th most populous county out of 83 in Michigan. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Ionia County is 39.1 years. This is 3% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Ionia County is $75,611. This is 4% higher than the state median of $72,875. It is also 6% lower than the national median of $80,734. The poverty rate stands at 10.6%. This is 20% lower than the state poverty rate of 13.2%. The unemployment rate is 3.9%. This is 31% lower than the state rate of 5.7%. The median home value is $198,500. Housing costs are 14% lower than the state median of $231,600. With a home-value-to-income ratio of just 2.6x, Ionia County is one of the most affordable housing markets in the area. 77.3% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 73.2%.

Race & Ethnicity

Ionia County has a predominantly White (non-Hispanic) population, comprising 85.3% of all residents. Hispanic or Latino residents account for 5.3%. The Black or African American population (3.3%) is well below the state average of 13.1%. The Asian population (0.5%) is well below the state average of 3.4%.

Education

18.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.0%.

Data Sources & Methodology

All figures for Ionia County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Michigan and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Ionia County, Michigan?

Ionia County has a population of 66,574, making it the 30th most populous county in Michigan.

What is the median income in Ionia County?

The median household income in Ionia County is $75,611 with a poverty rate of 10.6%.

How many cities are in Ionia County, Michigan?

Ionia County contains 10 Census-designated places.