28 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Nevada | 1 | 8,335 | 8,212 | 0.25% | 918 | 9 | City |
| Drywood | 2 | 1,228 | 1,233 | -0.16% | 26 | 47 | Township |
| Deerfield | 3 | 785 | 784 | 0% | 22 | 35 | Township |
| Moundville | 4 | 626 | 625 | 0% | 13 | 48 | Township |
| Bacon | 5 | 613 | 612 | 0% | 13 | 46 | Township |
| Clear Creek | 6 | 568 | 568 | 0% | 16 | 36 | Township |
| Walker | 7 | 492 | 489 | 0% | 14 | 36 | Township |
| Virgil | 8 | 474 | 476 | -0.21% | 13 | 36 | Township |
| Badger | 9 | 450 | 449 | 0% | 12 | 36 | Township |
| Sheldon | 10 | 435 | 437 | 0% | 829 | 1 | City |
| Blue Mound | 11 | 405 | 393 | 0.75% | 9 | 46 | Township |
| Metz | 12 | 312 | 311 | 0% | 7 | 47 | Township |
| Montevallo | 13 | 287 | 272 | 0.7% | 7 | 39 | Township |
| Osage | 14 | 280 | 282 | 0% | 6 | 46 | Township |
| Coal | 15 | 247 | 244 | 0% | 7 | 34 | Township |
| Schell City | 16 | 231 | 231 | 0% | 372 | 1 | City |
| Harrison | 17 | 226 | 226 | 0% | 4 | 56 | Township |
| Henry | 18 | 220 | 218 | 0% | 5 | 48 | Township |
| Walker | 19 | 216 | 209 | 0.47% | 6 | 35 | Township |
| Lake | 20 | 205 | 199 | 0.99% | 6 | 35 | Township |
| Walker | 21 | 203 | 200 | 0.5% | 653 | 0 | City |
| Bronaugh | 22 | 163 | 163 | 0% | 572 | 0 | City |
| Moundville | 23 | 78 | 78 | 0% | 481 | 0 | Town |
| Milo | 24 | 58 | 58 | 0% | 763 | 0 | Village |
| Richards | 25 | 43 | 43 | 0% | 160 | 0 | Town |
| Deerfield | 26 | 38 | 38 | 0% | 373 | 0 | Village |
| Harwood | 27 | 30 | 30 | 0% | 286 | 0 | Village |
| Metz | 28 | 18 | 18 | 0% | 142 | 0 | Town |
Nevada is the largest city in Vernon County, with a population of 8,335.
Metz is the smallest city in Vernon County, with a population of 18.
There are 28 cities in Vernon County, Missouri.