35 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Worthington | 1 | 13,430 | 13,890 | -0.68% | 1,691 | 7.94 | City |
| Adrian | 2 | 1,172 | 1,197 | -0.42% | 1,003 | 1.17 | City |
| Ellsworth township | 3 | 850 | 841 | 0.24% | 28 | 29.87 | Township |
| Brewster | 4 | 487 | 506 | -0.81% | 352 | 1.39 | City |
| Ellsworth | 5 | 475 | 495 | -0.84% | 721 | 0.66 | City |
| Leota township | 6 | 360 | 379 | -1.1% | 10 | 36.22 | Township |
| Round Lake | 7 | 353 | 372 | -1.12% | 487 | 0.72 | City |
| Rushmore | 8 | 352 | 367 | -0.85% | 1,386 | 0.25 | City |
| Bigelow township | 9 | 349 | 372 | -1.69% | 10 | 34.57 | Township |
| Wilmont | 10 | 313 | 330 | -0.95% | 539 | 0.58 | City |
| Worthington township | 11 | 293 | 315 | -2.01% | 11 | 27.81 | Township |
| Lorain township | 12 | 282 | 297 | -1.05% | 8 | 34.57 | Township |
| Summit Lake township | 13 | 274 | 289 | -1.08% | 8 | 36.07 | Township |
| Kanaranzi township | 14 | 238 | 251 | -1.65% | 7 | 36.15 | Township |
| Dewald township | 15 | 218 | 229 | -0.91% | 6 | 35.96 | Township |
| Bigelow | 16 | 214 | 226 | -0.93% | 545 | 0.39 | City |
| Round Lake township | 17 | 212 | 210 | 0% | 3 | 64.55 | Township |
| Elk township | 18 | 200 | 213 | -1.48% | 6 | 36.10 | Township |
| Grand Prairie township | 19 | 198 | 209 | -1.49% | 6 | 35.43 | Township |
| Westside township | 20 | 198 | 206 | -1% | 6 | 35.29 | Township |
| Lismore | 21 | 197 | 204 | -0.51% | 564 | 0.35 | City |
| Indian Lake township | 22 | 196 | 213 | -2.49% | 6 | 33.89 | Township |
| Little Rock township | 23 | 196 | 204 | -1.01% | 5 | 35.99 | Township |
| Seward township | 24 | 188 | 201 | -1.57% | 5 | 35.57 | Township |
| Ransom township | 25 | 187 | 204 | -2.6% | 5 | 36.40 | Township |
| Hersey township | 26 | 182 | 190 | -1.09% | 5 | 34.87 | Township |
| Wilmont township | 27 | 179 | 187 | -1.1% | 5 | 35.90 | Township |
| Larkin township | 28 | 170 | 178 | -1.16% | 5 | 35.92 | Township |
| Graham Lakes township | 29 | 166 | 174 | -1.19% | 5 | 33 | Township |
| Lismore township | 30 | 163 | 171 | -1.21% | 5 | 35.87 | Township |
| Olney township | 31 | 152 | 159 | -1.3% | 4 | 35.22 | Township |
| Round Lake township | 32 | 148 | 144 | 1.37% | 4 | 33.91 | Township |
| Bloom township | 33 | 133 | 141 | -1.48% | 4 | 35.81 | Township |
| Leota | 34 | 130 | 153 | -4.41% | 86 | 1.52 | CDP |
| Adrian township | 35 | 127 | 129 | 0% | 4 | 34.93 | Township |
Worthington is the largest city in Nobles County, with a population of 13,430.
Adrian township is the smallest city in Nobles County.
There are 35 cities in Nobles County, Minnesota.