Cass County, ND demographics:
population, income, and more

Total population
193,400
2.2% year-over-year change
Median household income
$75,555/yr
0.7% year-over-year change
Housing units
89,038
1.8% year-over-year change

Cass County population

How many people live in Cass County

Cass County is home to 193,400 residents, according to the most recent Census data. Gender-wise, 50.7% of Cass County locals are male, and 49.3% are female.

Total population
193,400
2.2% year-over-year change
Gender ratio
Male
50.7%
98,047
Female
49.3%
95,353
Value Percent YoY change
Male 98,047 50.7% 2.2%
Female 95,353 49.3% 2.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Cass County is 33, with the population distributed as follows: about 18.8% are children under 15, then 18.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 30.6% of the population, while another 19.5% fall into the 45 to 64 bracket. Finally, around 13% are 65 or older.

Median age
32.8
Age breakdown
Under 15
18.8%
15 to 24
18.1%
25 to 44
30.6%
45 to 64
19.5%
Over 65
13%
Value Percent YoY change
Under 15 36,403 18.8% 0.6%
15 to 24 35,009 18.1% 3.6%
25 to 44 59,092 30.6% 2.0%
45 to 64 37,742 19.5% 1.4%
Over 65 25,154 13% 4.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Cass County, 91.4% of the population are US-born citizens, while 4.2% have gained naturalized citizenship. At the same time, 4.4% of residents are non-citizens. As for race, 82.3% of locals are Caucasian, 7% are African American and 3.2% have Asian roots. There’s also a share of 5.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.4%
Non-U.S.-born citizens
4.2%
Non-citizens
4.4%
Value Percent YoY change
U.S.-born citizens 176,731 91.4% 2.3%
Non-U.S.-born citizens 8,071 4.2% 5.2%
Non-citizens 8,598 4.4% -3.1%
Racial breakdown
White
82.3%
Black or African American
7%
American Indian and Alaska Native
1%
Asian
3.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.3%
Other
1.2%
Value Percent
White 159,233 82.3%
Black or African American 13,496 7%
American Indian and Alaska Native 1,881 1%
Asian 6,219 3.2%
Native Hawaiian and other Pacific Islander 4 0%
Two or more races 10,258 5.3%
Other 2,309 1.2%

Households in Cass County

A peek inside Cass County households

Cass County has 83,945 households, with an average of 2 members in each. Of these, 52.2% are families, while the remaining 47.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
83,945
2.8% year-over-year change
Average people per household
2
Non-family households
40,104
Family households
43,841
Value Percent YoY change
Non-family households 40,104 47.8% 4.5%
Family households 43,841 52.2% 1.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Cass County

The housing landscape of Cass County

Cass County's housing consists of 89,038 units, with 42.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 9.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.9% of the housing landscape.

Housing units
89,038
1.8% year-over-year change
Housing types
Value Percent
1 unit, detached 38,162 42.9%
1 unit, attached 8,379 9.4%
2 units 1,526 1.7%
3 or 4 units 2,972 3.3%
5 to 9 units 3,582 4%
10 to 19 units 6,200 7%
20 to 49 units 16,735 18.8%
50 or more units 9,779 11%
Mobile home 1,691 1.9%
Boat, RV, van, etc. 12 0%
Homes built since 2020
2,658
53.6% year-over-year change

The age of buildings in Cass County

In Cass County, the median construction year is 1993. About 7.7% of homes were built before the 1940s, with another 1.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 17.2% of homes were added from 2000 to 2009, 20.9% between 2010 and 2019, and 3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 6,818 7.7% 7.2%
Built between 1940 and 1949 1,715 1.9% -6.6%
Built between 1950 and 1959 5,760 6.5% -1.9%
Built between 1960 and 1969 4,891 5.5% 1.7%
Built between 1970 and 1979 11,585 13% -4.0%
Built between 1980 and 1989 9,631 10.8% 5.7%
Built between 1990 and 1999 12,101 13.6% -0.3%
Built between 2000 and 2009 15,301 17.2% 2.4%
Built between 2010 and 2019 18,578 20.9% -0.3%
Built in 2020 or later 2,658 3% 53.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Cass County occupancy rates

Out of the 83,945 occupied housing units in Cass County, 52% are owner-occupied, while 48% are lived in by tenants. Meanwhile, 5.7% of all homes on the local market sit vacant.

Occupied housing units
83,945
2.8% year-over-year change
Occupancy breakdown
Renter occupied
40,322
Owner occupied
43,623
Value Percent YoY
change
Renter occupied 40,322 48% 2.9%
Owner occupied 43,623 52% 2.7%
Unoccupied housing units
5.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Cass County housing costs

Housing costs in Cass County come to a median of $1,107 per month, while tenants specifically pay a median gross rent of $958.

Median housing costs per month
$1,107/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Cass County
$958/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Cass County

Cass County education at a glance

About 22.4% of the population in Cass County went to high school, while 25.4% pursued college studies. Another 12.4% earned an associate degree and 26.7% hold a bachelor’s. Meanwhile, 11.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,153 1.4% -4.1%
High school diploma 33,698 22.4% 3.8%
College diploma 38,283 25.4% 2.8%
Associate degree 18,684 12.4% 5.2%
Bachelor's degree 40,206 26.7% 0.5%
Graduate degree 17,476 11.6% 1.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Cass County

How much people earn in Cass County

The average annual household income in Cass County was $103,789 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.9% change from the previous year. At the same time, the median income stood at $75,555, reflecting a +0.7% shift over the same period.

Average household income in Cass County
$103,789/year
1.9% year-over-year change
Median household income in Cass County
$75,555/year
0.7% year-over-year change

Cass County income by age

In Cass County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $80,509. Those with someone between 45 and 64 in charge, often well established professionally, earn $99,188 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $41,796, while those led by someone over 65, many of whom may be retired, have about $62,681 in earnings. Overall, 89% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $41,796 0.6%
25 - 44 $80,509 -1.4%
45 - 64 $99,188 2.2%
Over 65 $62,681 -2.2%
Above poverty level
164,318
Below poverty level
20,355
Value Percent YoY
change
Above poverty level 164,318 89% 1.2%
Below poverty level 20,355 11% 8.9%

Employment in Cass County

Workforce and job types in Cass County

The job market in Cass County is powered by 112,060 working residents, spread across a range of industries and roles. 81.5% of the working population are employed in professional or administrative positions, while 18.5% are in hands-on or service-based jobs. Also, 7.5% run their own businesses, 67.5% are employed by private companies, and 13.4% work in the public sector.

Workforce demographics

Working population
112,060
1.2% year-over-year change
White collar
91,370
Blue collar
20,690
Value Percent YoY change
White collar 91,370 81.5% 2.2%
Blue collar 20,690 18.5% -2.9%
Employer type
Self employees
7.5%
Private companies
67.5%
Governmental workers
13.4%
Not for profit companies
11.6%
Value Percent YoY change
Self employees 8,394 7.5% -3.0%
Private companies 75,635 67.5% 1.6%
Governmental workers 14,973 13.4% 2.2%
Not for profit companies 13,058 11.6% 0.8%
Unemployment rate
3.0%
-0.7% year-over-year change

Available workforce

The unemployment rate in Cass County stands at 3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Cass County

How people get around in Cass County

In Cass County, the average commute time is 17 minutes. Commuting methods vary: 84.8% of residents travel by personal vehicle and 2.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
17 min
Means of transportation
Value Percent YoY change
Car 94,116 84.8% 0.1%
Taxicab 111 0.1% 109.4%
Bus or trolleybus 448 0.4% -31.9%
Railroad 32 0% -23.8%
Ferryboat 36 0% -28.0%
Motorcycle 228 0.2% 26.0%
Bicycle 284 0.3% 13.6%
Walk 3,107 2.8% 7.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Cass County by zipcode?

Zipcode Population Number of households Median income Average income
58002 17 3 $0 $0
58004 241 125 $72,250 $101,674
58005 898 364 $142,917 $144,899
58006 573 207 $95,313 $118,301
58007 81 30 $81,250 $70,100
58011 449 190 $99,853 $108,694
58012 3,049 1,284 $75,000 $119,596
58021 584 195 $108,750 $141,036
58027 1,530 684 $75,774 $87,313
58029 88 37 $145,625 $139,411

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FAQs about Cass County demographics 

What is the total population of Cass County?

Cass County has a total population of 193,400 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +2.2% compared to a year ago.

What is the gender ratio in Cass County?

The gender ratio in Cass County is as follows:
  • 50.7% males (98,047 residents)
  • 49.3% females (95,353 residents)

What is the median age in Cass County?

The median age in Cass County is 32.8.

What is the age distribution of the population in Cass County?

The age distribution in Cass County is as follows:
  • Under 15: 18.8% (36,403 residents)
  • Ages 15-24: 18.1% (35,009 residents)
  • Ages 25-44: 30.6% (59,092 residents)
  • Ages 45-64: 19.5% (37,742 residents)
  • Over 65: 13% (25,154 residents)

What is the racial and ethnic makeup of Cass County?

The racial and ethnic makeup of Cass County is as follows:
  • White: 82.3% (159,233 residents)
  • Black or African American: 7% (13,496 residents)
  • American Indian and Alaska Native: 1% (1,881 residents)
  • Asian: 3.2% (6,219 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (4 residents)
  • Two or More Races: 5.3% (10,258 residents)
  • Other: 1.2% (2,309 residents)

What percentage of the population in Cass County are U.S.-born citizens?

U.S.-born citizens represent 91.4% of the population in Cass County.

How many housing units are there in Cass County?

There are 89,038 housing units in Cass County, reflecting a +1.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Cass County and what is the average household size?

Cass County has a total of 83,945 households, with an average of 2 people in each.

What is the median household income in Cass County?

Cass County has a median household income of $75,555, representing a +0.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Cass County?

The employment rate is 97% in Cass County, with a workforce of 112,060 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.5% (91,370 residents)
  • Blue-collar workers: 18.5% (20,690 residents)

Places of employment:
  • Self-employed: 7.5% (8,394 residents)
  • Private companies: 67.5% (75,635 residents)
  • Governmental workers: 13.4% (14,973 residents)
  • Not-for-profit companies: 11.6% (13,058 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025