42 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Salisbury | 1 | 2,447 | 2,454 | -0.04% | 29 | 84 | Township |
| Salisbury | 2 | 2,447 | 2,446 | -0.04% | 29 | 84 | Township |
| Salisbury | 3 | 1,569 | 1,572 | 0% | 1,173 | 1 | City |
| Salisbury | 4 | 1,569 | 1,567 | 0% | 1,173 | 1 | City |
| Brunswick | 5 | 1,260 | 1,266 | -0.08% | 18 | 70 | Township |
| Brunswick | 6 | 1,260 | 1,261 | -0.08% | 18 | 70 | Township |
| Keytesville | 7 | 887 | 891 | -0.11% | 12 | 75 | Township |
| Keytesville | 8 | 887 | 889 | -0.11% | 12 | 75 | Township |
| Brunswick | 9 | 795 | 801 | -0.13% | 661 | 1 | City |
| Brunswick | 10 | 795 | 798 | -0.13% | 661 | 1 | City |
| Keytesville | 11 | 447 | 447 | 0% | 581 | 1 | City |
| Keytesville | 12 | 447 | 446 | 0% | 581 | 1 | City |
| Musselfork | 13 | 351 | 350 | -0.28% | 10 | 37 | Township |
| Musselfork | 14 | 351 | 349 | -0.28% | 10 | 37 | Township |
| Yellow Creek | 15 | 322 | 324 | 0% | 7 | 49 | Township |
| Yellow Creek | 16 | 322 | 323 | 0% | 7 | 49 | Township |
| Mendon | 17 | 303 | 303 | 0% | 9 | 35 | Township |
| Mendon | 18 | 303 | 302 | 0% | 9 | 35 | Township |
| Bee Branch | 19 | 284 | 286 | 0% | 5 | 54 | Township |
| Bee Branch | 20 | 284 | 285 | 0% | 5 | 54 | Township |
| Chariton | 21 | 192 | 194 | 0% | 4 | 52 | Township |
| Chariton | 22 | 192 | 193 | 0% | 4 | 52 | Township |
| Cunningham | 23 | 190 | 188 | 0.53% | 3 | 58 | Township |
| Cunningham | 24 | 190 | 188 | 0.53% | 3 | 58 | Township |
| Cockrell | 25 | 167 | 167 | 0% | 5 | 35 | Township |
| Cockrell | 26 | 167 | 166 | 0% | 5 | 35 | Township |
| Mendon | 27 | 164 | 164 | 0% | 916 | 0 | City |
| Mendon | 28 | 164 | 163 | 0% | 916 | 0 | City |
| Salt Creek | 29 | 160 | 160 | 0% | 4 | 37 | Township |
| Salt Creek | 30 | 160 | 159 | 0% | 4 | 37 | Township |
| Triplett | 31 | 158 | 158 | 0% | 3 | 45 | Township |
| Triplett | 32 | 158 | 158 | 0% | 3 | 45 | Township |
| Sumner | 33 | 81 | 80 | 0% | 358 | 0 | Town |
| Sumner | 34 | 81 | 80 | 0% | 358 | 0 | Town |
| Rothville | 35 | 65 | 65 | 0% | 330 | 0 | Village |
| Rothville | 36 | 65 | 65 | 0% | 330 | 0 | Village |
| Prairie Hill | 37 | 60 | 51 | 7.14% | 131 | 0 | CDP |
| Triplett | 38 | 36 | 36 | 0% | 156 | 0 | City |
| Triplett | 39 | 36 | 36 | 0% | 156 | 0 | City |
| Dalton | 40 | 6 | 6 | 0% | 33 | 0 | Town |
| Dalton | 41 | 6 | 6 | 0% | 33 | 0 | Town |
| St. Catharine | 42 | 1 | 107 | 0% | 1 | 1 | CDP |
Salisbury is the largest city in Chariton County, with a population of 2,447.
St. Catharine is the smallest city in Chariton County, with a population of 1.
There are 42 cities in Chariton County, Missouri.