| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wibaux | 1 | 439 | 461 | -0.45% | 409 | 1 | Town |
Wibaux is the largest city in Wibaux County, with a population of 439.
Wibaux is the smallest city in Wibaux County, with a population of 439.
There is 1 city in Wibaux County, Montana.