Wibaux County's 2026 population is estimated at 858, reflecting a -3.05% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Wibaux County is the 53rd largest county in Montana. The 2010 population was 1,008 and has grown -14.88% since 2010.
Overall: 41 years
Female: 38.6 years
Male: 46.8 years
There are 837 adults, (244 of whom are seniors) in Wibaux County.
Female: 613 (51.4%)
Male: 580 (48.6%)
The racial composition of Wibaux County includes 92.2% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,100 | 92.2% |
| Two or more races | 61 | 5.11% |
| Other race | 24 | 2.01% |
| Black or African American | 7 | 0.59% |
| Asian | 1 | 0.08% |
Wibaux County 's average per capita income is $46,597. Household income levels show a median of $67,462. The poverty rate stands at 15.81%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,500 | - |
| Families | $83,690 | $96,335 |
| Households | $67,462 | $87,263 |
| Non Families | $44,440 | $62,252 |
Average Income
Median Household Income
Poverty Rate
