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
Homeownership is the standout figure in Cass County: 84.9% of homes are owner-occupied, higher than the national rate. With 30,688 residents, Cass County is a county in Minnesota. It ranks #36 among counties in Minnesota by population.
The typical household here earns about $64,937, below the US median of $78,538. Poverty runs at 8.7%, below the national 12.4%. Home values run above average at $262,300, with typical rent around $889.
Degree attainment is mid-range for US counties: 25.4% of adults hold a four-year degree, below the national 35.0%. Remote work is on the higher side at 10.8%, below the national 14.0%, and the average commute runs about 25 minutes each way.
The ownership rate anchors the housing story in Cass County, and tends to move with the age structure and home-value figures above.
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.
Cass County, MN Climate
Cass County, MN has an average annual temperature of 4.2°C (40°F) and receives about 691 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
4.2°C
Avg Temp
691
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -14° / 6° | 21 mm |
| February | -10° / 13° | 15 mm |
| March | -4° / 26° | 35 mm |
| April | 5° / 41° | 51 mm |
| May | 13° / 55° | 75 mm |
| June | 17° / 63° | 102 mm |
| July | 20° / 68° | 105 mm |
| August | 19° / 66° | 90 mm |
| September | 13° / 56° | 73 mm |
| October | 7° / 44° | 69 mm |
| November | -3° / 27° | 35 mm |
| December | -11° / 12° | 20 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cass County, MN
The most comfortable months to visit Cass County, MN are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -21°C low). July is usually the wettest month.
Where to stay near Cass County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.