Cass County's 2026 population is estimated at 27,560, reflecting a 0.12% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cass County is the 12th largest county in Nebraska. The 2010 population was 25,239 and has grown 9.2% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.5 years
Female: 42.8 years
Male: 40.5 years
There are 20,927 adults, (5,095 of whom are seniors) in Cass County.
Female: 13,396 (49.3%)
Male: 13,765 (50.7%)
The racial composition of Cass County includes 91.18% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,765 | 91.18% |
| Two or more races | 1,635 | 6.02% |
| Other race | 507 | 1.87% |
| Black or African American | 82 | 0.3% |
| Asian | 77 | 0.28% |
| Native American | 68 | 0.25% |
| Native Hawaiian or Pacific Islander | 27 | 0.1% |
Cass County 's average per capita income is $57,565. Household income levels show a median of $91,836. The poverty rate stands at 5.22%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $127,470 | - |
| Families | $113,607 | $134,803 |
| Households | $91,836 | $113,521 |
| Non Families | $42,101 | $59,151 |
Average Income
Median Household Income
Poverty Rate