Cass County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 35th-largest in Michigan
The population of Cass County, Michigan is 51,606 as of the 2023 American Community Survey, making it the 35th-largest county in Michigan. The median household income is $68,011, the median home value is $205,200, and the median age is 45.5.
The population of Cass County has declined 1.3% since 2010 (52,245 → 51,550), a -0.10% annualized rate.
51,606
Population
-0.10%
Annual growth
105
People / sq mi
$68,011
Median Income
$205,200
Median Home Value
Cass County covers 490 sq mi of land at 105.3 people per square mile.
About Cass County, MI
Cass County is distinguished by its share of foreign-born residents, 51.4% of the population. With 51,606 residents, Cass County is a county in Michigan. It ranks #35 among counties in Michigan by population.
Median household income is $68,011, below the US median of $78,538. The poverty rate is 10.5%, below the national 12.4%. Median home value is $205,200, with typical rent around $870.
Degree attainment is mid-range for US counties: 21.6% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 6.7%, and the average commute runs about 25 minutes each way.
The large foreign-born share is a defining thread in Cass County, shaping language, household composition, and the labor force behind the economic figures above.
Cass County Population History (2010-2024)
The county of Cass County had a population of 52,245 in 2010 and 51,550 in 2024, a -1.3% growth over 14 years. The peak was 52,245 in 2010. Average annual growth rate: -0.10%.
51,550
Population (2024)
52,245
Population (2010)
52,245
Peak (2010)
-0.10%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 52,245 |
| 2011 | 52,210 |
| 2012 | 51,815 |
| 2013 | 51,601 |
| 2014 | 51,585 |
| 2015 | 51,370 |
| 2016 | 51,326 |
| 2017 | 51,534 |
| 2018 | 51,773 |
| 2019 | 51,847 |
| 2020 | 51,553 |
| 2021 | 51,523 |
| 2022 | 51,409 |
| 2023 | 51,566 |
| 2024 | 51,550 |
Race & Ethnicity
| White | 86.1% |
| Black or African American | 4.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.0% |
Age & Sex
45.5
Median Age
49.6%
Female
50.4%
Male
21.9%
Age 65+
Age Distribution
Children (under 15): 16.5% · Seniors (65+): 21.9%
Income & Poverty
| Median household income | $68,011$-3,138 vs state |
| Mean household income | $94,695 |
| Per-capita income | $38,544 |
| Poverty rate | 10.5%+1.7% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 56.3% |
Top Industries by Employment
The largest employment sector in Cass County is manufacturing, accounting for 24.1% of workers.
How residents commute
0.5%
Drive alone
2.1%
Carpool
78.9%
Public transit
6.7%
Work from home
25.1 min
Avg commute
Housing
$205,200$-12,400 vs state
Median home value
$870
Median rent
80.5%
Homeownership rate
25,543
Total housing units
82.6%
Occupied
17.4%
Vacant
19.5%
Renter-occupied
Social & access
93.7%
With health insurance
92.1%
With broadband internet
51.4%
Foreign-born
8.1%
Veterans (18+)
16.3%
With a disability
95.9%
Speak language other than English at home
Education
90.2%
High School+
21.6%
Bachelor's+
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County rankings
Frequently Asked Questions
Cass County, Michigan has a population of 51,606 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 35th-largest county in Michigan. Population density is 105 people per square mile.
The population of Cass County has declined 1.3% since 2010 (52,245 → 51,550), a -0.10% annualized rate.
The median household income in Cass County, Michigan is $68,011, with mean (average) household income of $94,695 and per-capita income of $38,544. 10.5% of residents live below the federal poverty level.
In Cass County, the largest racial and ethnic groups are White (86.1%), Black or African American (4.3%), Hispanic or Latino (2.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cass County, Michigan is 45.5 years. Residents are 49.6% female and 50.4% male.
The median home value in Cass County is $205,200 and median monthly rent is $870. 80.5% of occupied housing units are owner-occupied. The county has 25,543 total housing units, 17.4% of which are vacant.
The largest employment sector in Cass County, Michigan is manufacturing, employing 24.1% of workers. The unemployment rate is 2.7%.
Detroit is among the largest cities associated with Cass County, Michigan, with a population of 636,644.
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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.