Cass County's estimated 2026 population is 204,317 with a growth rate of 1.25% in the past year according to the most recent United States census data. Cass County is the largest county in North Dakota. The 2010 population was 150,321 and has seen a growth of 35.92% since that time.
Data after 2023 is projected based on recent change
Overall: 32.8 years
Female: 32.6 years
Male: 33 years
There are 150,500 adults, (25,154 of whom are seniors) in Cass County.
Female: 95,353 (49.3%)
Male: 98,047 (50.7%)
The racial composition of Cass County includes 82.33% White, 6.98% Black or African American, 3.22% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 159,233 | 82.33% |
| Black or African American | 13,496 | 6.98% |
| Two or more races | 10,258 | 5.3% |
| Asian | 6,219 | 3.22% |
| Other race | 2,309 | 1.19% |
| Native American | 1,881 | 0.97% |
| Native Hawaiian or Pacific Islander | 4 | 0% |
Cass County's average per capita income is $53,389. Household income levels show a median of $75,555. The poverty rate stands at 11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $124,748 | $159,617 |
| Families | $109,848 | $140,593 |
| Households | $75,555 | $103,789 |
| Non Families | $47,253 | $60,583 |
Average Income
Median Household Income
Poverty Rate