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
Age is the most distinctive thing about Isabella County: a median age of 29.8, younger than the national median. With 64,475 residents, Isabella County is a county in Michigan. It ranks #31 among counties in Michigan by population.
Incomes run on the lower side: a median household income of $53,759, below the US median of $78,538. The poverty rate is 14.1%, above the national 12.4%. The typical home is valued at $165,100, with typical rent around $863.
About 30.8% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. About 6.4% of the workforce is home-based, below the national 14.0%, and the average commute runs about 20 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+
Largest cities in Michigan
Other counties in Michigan
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.