| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Detroit Lakes | 1 | 10,016 | 10,020 | -0.03% | 837 | 12 | City |
| Frazee | 2 | 1,304 | 1,329 | -0.46% | 1,216 | 1 | City |
| Lake Park | 3 | 707 | 729 | -0.56% | 743 | 1 | City |
| Audubon | 4 | 568 | 565 | 0.18% | 777 | 1 | City |
| Waubun | 5 | 386 | 408 | -0.77% | 751 | 1 | City |
| Ogema | 6 | 199 | 204 | -0.5% | 172 | 1 | City |
| Callaway | 7 | 177 | 175 | 0.57% | 283 | 1 | City |
| Wolf Lake | 8 | 66 | 69 | -1.49% | 206 | 0 | City |
Detroit Lakes is the largest city in Becker County, with a population of 10,016.
Wolf Lake is the smallest city in Becker County, with a population of 66.
There are 8 cities in Becker County, Minnesota.