| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Medora | 1 | 167 | 113 | 6.37% | 425 | 0 | City |
Medora is the largest city in Billings County, with a population of 167.
Medora is the smallest city in Billings County, with a population of 167.
There is 1 city in Billings County, North Dakota.