9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Worthington | 1 | 13,687 | 13,888 | -0.24% | 1,724 | 8 | City |
| Adrian | 2 | 1,199 | 1,196 | 0.08% | 1,026 | 1 | City |
| Brewster | 3 | 497 | 506 | -0.2% | 359 | 1 | City |
| Ellsworth | 4 | 483 | 494 | -0.41% | 733 | 1 | City |
| Round Lake | 5 | 363 | 374 | -0.55% | 501 | 1 | City |
| Rushmore | 6 | 361 | 369 | -0.28% | 1,421 | 0 | City |
| Wilmont | 7 | 322 | 333 | -0.62% | 554 | 1 | City |
| Bigelow | 8 | 217 | 225 | -0.46% | 552 | 0 | City |
| Lismore | 9 | 201 | 204 | 0% | 576 | 0 | City |
Worthington is the largest city in Nobles County, with a population of 13,687.
Lismore is the smallest city in Nobles County, with a population of 201.
There are 9 cities in Nobles County, Minnesota.