Isabella County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 31st-largest in Michigan
The population of Isabella County, Michigan is 64,475 as of the 2023 American Community Survey, making it the 31st-largest county in Michigan. The median household income is $53,759, the median home value is $165,100, and the median age is 29.8.
The population of Isabella County has declined 7.4% since 2010 (70,297 → 65,072), a -0.55% annualized rate.
64,475
Population
-0.55%
Annual growth
113
People / sq mi
$53,759
Median Income
$165,100
Median Home Value
Isabella County covers 573 sq mi of land at 112.6 people per square mile.
About Isabella County, MI
Isabella County is a county in Michigan with a population of 64,475. It ranks #31 among counties in Michigan by population. The median age is 29.8, younger than the national median. The population is 48.8% male and 51.2% female.
The median household income in Isabella County is $53,759, below the US median of $74,580. 14.1% of residents live below the federal poverty level. Home values sit at a median of $165,100, with monthly rent averaging $863. The homeownership rate of 61.3% is lower than the national rate of 64.8%.
Educational attainment in Isabella County reflects 30.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.5 minutes each way.
Isabella County Population History (2010-2024)
The county of Isabella County had a population of 70,297 in 2010 and 65,072 in 2024, a -7.4% growth over 14 years. The peak was 71,247 in 2016. Average annual growth rate: -0.53%.
65,072
Population (2024)
70,297
Population (2010)
71,247
Peak (2016)
-0.53%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 70,297 |
| 2011 | 70,624 |
| 2012 | 70,679 |
| 2013 | 70,240 |
| 2014 | 70,116 |
| 2015 | 70,798 |
| 2016 | 71,247 |
| 2017 | 71,035 |
| 2018 | 70,392 |
| 2019 | 69,635 |
| 2020 | 64,521 |
| 2021 | 64,264 |
| 2022 | 64,483 |
| 2023 | 64,485 |
| 2024 | 65,072 |
Race & Ethnicity
| White | 85.3% |
| Black or African American | 2.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 5.2% |
| Two or More Races | 0.0% |
Age & Sex
29.8
Median Age
51.2%
Female
48.8%
Male
13.7%
Age 65+
Age Distribution
Children (under 15): 14.6% · Seniors (65+): 13.7%
Income & Poverty
| Median household income | $53,759$-17,390 vs state |
| Mean household income | $72,425 |
| Per-capita income | $29,626 |
| Poverty rate | 14.1%+5.3% vs state |
| Unemployment rate | 4.2% |
| Employment-to-population | 58.1% |
Top Industries by Employment
The largest employment sector in Isabella County is professional & business services, accounting for 29.0% of workers.
How residents commute
0.5%
Drive alone
6.6%
Carpool
76.5%
Public transit
6.4%
Work from home
19.5 min
Avg commute
Housing
$165,100$-52,500 vs state
Median home value
$863
Median rent
61.3%
Homeownership rate
28,600
Total housing units
87.2%
Occupied
12.8%
Vacant
38.7%
Renter-occupied
Social & access
92.4%
With health insurance
95.0%
With broadband internet
15.1%
Foreign-born
5.7%
Veterans (18+)
14.8%
With a disability
94.3%
Speak language other than English at home
Education
92.0%
High School+
30.8%
Bachelor's+
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Part of Michigan
Metro areas in Michigan
County rankings
Frequently Asked Questions
Isabella County, Michigan has a population of 64,475 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 31st-largest county in Michigan. Population density is 113 people per square mile.
The population of Isabella County has declined 7.4% since 2010 (70,297 → 65,072), a -0.55% annualized rate.
The median household income in Isabella County, Michigan is $53,759, with mean (average) household income of $72,425 and per-capita income of $29,626. 14.1% of residents live below the federal poverty level.
In Isabella County, the largest racial and ethnic groups are White (85.3%), Hispanic or Latino (5.2%), Black or African American (2.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Isabella County, Michigan is 29.8 years. Residents are 51.2% female and 48.8% male.
The median home value in Isabella County is $165,100 and median monthly rent is $863. 61.3% of occupied housing units are owner-occupied. The county has 28,600 total housing units, 12.8% of which are vacant.
The largest employment sector in Isabella County, Michigan is professional, scientific, and management services, employing 29.0% of workers. The unemployment rate is 4.2%.
Detroit is among the largest cities associated with Isabella County, Michigan, with a population of 636,644.
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Statewide data for Michigan
Population, race, income, age, and trends across Michigan
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.