2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Harlowton | 1 | 940 | 958 | -0.42% | 1,502 | 1 | City |
| Judith Gap | 2 | 107 | 110 | -0.93% | 322 | 0 | City |
Harlowton is the largest city in Wheatland County, with a population of 940.
Judith Gap is the smallest city in Wheatland County, with a population of 107.
There are 2 cities in Wheatland County, Montana.