28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Nevada | 1 | 8,291 | 8,218 | 0.18% | 913 | 9 | City |
| Drywood | 2 | 1,239 | 1,233 | 0.32% | 26 | 47 | Township |
| Deerfield | 3 | 785 | 786 | 0.13% | 22 | 35 | Township |
| Moundville | 4 | 629 | 624 | 0.48% | 13 | 48 | Township |
| Bacon | 5 | 610 | 610 | 0.16% | 13 | 46 | Township |
| Clear Creek | 6 | 571 | 568 | 0.35% | 16 | 36 | Township |
| Walker | 7 | 496 | 491 | 0.4% | 14 | 36 | Township |
| Virgil | 8 | 486 | 474 | 1.04% | 14 | 36 | Township |
| Badger | 9 | 452 | 449 | 0.44% | 13 | 36 | Township |
| Sheldon | 10 | 435 | 437 | 0% | 829 | 1 | City |
| Blue Mound | 11 | 400 | 396 | 0.25% | 9 | 46 | Township |
| Metz | 12 | 321 | 310 | 1.26% | 7 | 47 | Township |
| Montevallo | 13 | 282 | 270 | 1.08% | 7 | 39 | Township |
| Osage | 14 | 278 | 282 | -0.36% | 6 | 46 | Township |
| Coal | 15 | 245 | 243 | 0.41% | 7 | 34 | Township |
| Harrison | 16 | 226 | 225 | 0.44% | 4 | 56 | Township |
| Schell City | 17 | 224 | 228 | -0.44% | 361 | 1 | City |
| Henry | 18 | 222 | 218 | 0.45% | 5 | 48 | Township |
| Walker | 19 | 216 | 209 | 0.47% | 6 | 35 | Township |
| Lake | 20 | 208 | 198 | 1.96% | 6 | 35 | Township |
| Walker | 21 | 201 | 200 | 0% | 646 | 0 | City |
| Bronaugh | 22 | 161 | 163 | 0% | 565 | 0 | City |
| Moundville | 23 | 77 | 77 | 0% | 475 | 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 | 31 | 31 | 0% | 295 | 0 | Village |
| Metz | 28 | 18 | 18 | 0% | 142 | 0 | Town |
Nevada is the largest city in Vernon County, with a population of 8,291.
Metz is the smallest city in Vernon County, with a population of 18.
There are 28 cities in Vernon County, Missouri.