Cass County, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 36th-largest in Minnesota
The population of Cass County, Minnesota is 30,688 as of the 2023 American Community Survey, making it the 36th-largest county in Minnesota. The median household income is $64,937, the median home value is $262,300, and the median age is 49.7.
The population of Cass County has grown 9.7% since 2010 (28,654 → 31,442), a +0.67% annualized rate.
30,688
Population
+0.67%
Annual growth
15
People / sq mi
$64,937
Median Income
$262,300
Median Home Value
Cass County covers 2,021 sq mi of land at 15.2 people per square mile.
About Cass County, MN
Cass County is a county in Minnesota with a population of 30,688. It ranks #36 among counties in Minnesota by population. The median age is 49.7, older than the national median. The population is 51.5% male and 48.5% female.
The median household income in Cass County is $64,937, below the US median of $74,580. 8.7% of residents live below the federal poverty level. Home values sit at a median of $262,300, with monthly rent averaging $889. The homeownership rate of 84.9% is higher than the national rate of 64.8%.
Educational attainment in Cass County reflects 25.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.7 minutes each way.
Cass County Population History (2010-2024)
The county of Cass County had a population of 28,654 in 2010 and 31,442 in 2024, a 9.7% growth over 14 years. The peak was 31,442 in 2024. Average annual growth rate: 0.67%.
31,442
Population (2024)
28,654
Population (2010)
31,442
Peak (2024)
0.67%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,654 |
| 2011 | 28,383 |
| 2012 | 28,412 |
| 2013 | 28,488 |
| 2014 | 28,559 |
| 2015 | 28,704 |
| 2016 | 29,030 |
| 2017 | 29,324 |
| 2018 | 29,405 |
| 2019 | 29,622 |
| 2020 | 30,162 |
| 2021 | 30,677 |
| 2022 | 31,287 |
| 2023 | 31,393 |
| 2024 | 31,442 |
Race & Ethnicity
| White | 81.7% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 12.7% |
| Two or More Races | 0.0% |
Age & Sex
49.7
Median Age
48.5%
Female
51.5%
Male
26.8%
Age 65+
Age Distribution
Children (under 15): 16.7% · Seniors (65+): 26.8%
Income & Poverty
| Median household income | $64,937$-22,619 vs state |
| Mean household income | $86,129 |
| Per-capita income | $36,470 |
| Poverty rate | 8.7%+3.2% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 52.3% |
Top Industries by Employment
The largest employment sector in Cass County is professional & business services, accounting for 23.1% of workers.
How residents commute
0.6%
Drive alone
3.5%
Carpool
72.8%
Public transit
10.8%
Work from home
24.7 min
Avg commute
Housing
$262,300$-43,200 vs state
Median home value
$889
Median rent
84.9%
Homeownership rate
24,294
Total housing units
52.6%
Occupied
47.4%
Vacant
15.1%
Renter-occupied
Social & access
92.9%
With health insurance
93.3%
With broadband internet
20.6%
Foreign-born
10.2%
Veterans (18+)
15.4%
With a disability
96.5%
Speak language other than English at home
Education
94.4%
High School+
25.4%
Bachelor's+
Largest cities in Minnesota
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County rankings
Frequently Asked Questions
Cass County, Minnesota has a population of 30,688 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 36th-largest county in Minnesota. Population density is 15 people per square mile.
The population of Cass County has grown 9.7% since 2010 (28,654 → 31,442), a +0.67% annualized rate.
The median household income in Cass County, Minnesota is $64,937, with mean (average) household income of $86,129 and per-capita income of $36,470. 8.7% of residents live below the federal poverty level.
In Cass County, the largest racial and ethnic groups are White (81.7%), Hispanic or Latino (12.7%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cass County, Minnesota is 49.7 years. Residents are 48.5% female and 51.5% male.
The median home value in Cass County is $262,300 and median monthly rent is $889. 84.9% of occupied housing units are owner-occupied. The county has 24,294 total housing units, 47.4% of which are vacant.
The largest employment sector in Cass County, Minnesota is professional, scientific, and management services, employing 23.1% of workers. The unemployment rate is 3.3%.
Minneapolis is among the largest cities associated with Cass County, Minnesota, with a population of 426,845.
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Statewide data for Minnesota
Population, race, income, age, and trends across Minnesota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.