Cass County Flag

Cass County

State:
North Dakota
County Seat:

Cass County's estimated 2025 population is 203,660 with a growth rate of 1.82% in the past year according to the most recent United States census data. Cass County is the 1st largest county in North Dakota. The 2010 population was 150,321 and has seen a growth of 35.48% since that time.

203,660
Total Population
115
Population Density (mi²)
1
Population Rank (State)
3.6K 1.82%
Annual Population Growth

Cass County Population

Cass County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Cass County includes 83.5% White, 6.47% Black or African American, 3.1% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White158,06383.5%
Black or African American12,2566.47%
Two or more races9,5695.06%
Asian5,8743.1%
Other race1,8180.96%
Native American1,7020.9%
Native Hawaiian or Pacific Islander40%

Cass County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cass County's average per capita income is $52,599. Household income levels show a median of $75,023. The poverty rate stands at 10.34%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$124,264$154,838
Families$109,357$137,731
Households$75,023$101,854
Non Families$45,334$58,282

$52,599

Average Income

$75,023

Median Household Income

10.34%

Poverty Rate