Custer County's 2026 population is estimated at 10,237, reflecting a -1.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Custer County is the 24th largest county in Nebraska. The 2010 population was 10,905 and has grown -6.13% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.1 years
Female: 44.4 years
Male: 41.3 years
There are 7,959 adults, (2,372 of whom are seniors) in Custer County.
Female: 5,136 (48.8%)
Male: 5,382 (51.2%)
The racial composition of Custer County includes 91.85% White, and smaller percentages for other race, Native American, Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,661 | 91.85% |
| Two or more races | 441 | 4.19% |
| Other race | 278 | 2.64% |
| Native American | 56 | 0.53% |
| Black or African American | 54 | 0.51% |
| Native Hawaiian or Pacific Islander | 17 | 0.16% |
| Asian | 11 | 0.1% |
Custer County 's average per capita income is $46,717. Household income levels show a median of $67,906. The poverty rate stands at 7.06%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,857 | - |
| Families | $81,289 | $101,117 |
| Households | $67,906 | $85,495 |
| Non Families | $38,125 | $50,632 |
Average Income
Median Household Income
Poverty Rate