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

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

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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