17 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chillicothe | 1 | 9,374 | 8,549 | 1.79% | 1,314 | 7.13 | City |
| Chillicothe township | 2 | 9,251 | 9,131 | 0.73% | 170 | 54.58 | Township |
| Cream Ridge township | 3 | 519 | 494 | 1.57% | 11 | 45.68 | Township |
| Blue Mound township | 4 | 482 | 461 | 1.47% | 11 | 42.31 | Township |
| Wheeling township | 5 | 375 | 362 | 1.08% | 11 | 32.73 | Township |
| Monroe township | 6 | 305 | 291 | 1.67% | 9 | 34.86 | Township |
| Mooresville township | 7 | 295 | 282 | 1.37% | 11 | 27.94 | Township |
| Green township | 8 | 278 | 275 | 0.72% | 13 | 21.27 | Township |
| Sampsel township | 9 | 253 | 248 | 0.4% | 7 | 38.77 | Township |
| Medicine township | 10 | 232 | 219 | 1.75% | 8 | 29.65 | Township |
| Wheeling | 11 | 225 | 220 | 0.45% | 701 | 0.32 | City |
| Grand River township | 12 | 217 | 212 | 0.46% | 4 | 52.19 | Township |
| Utica | 13 | 216 | 221 | -0.46% | 252 | 0.86 | Village |
| Chula | 14 | 204 | 198 | 0.49% | 1,146 | 0.18 | City |
| Ludlow | 15 | 109 | 109 | 0% | 694 | 0.16 | Town |
| Mooresville | 16 | 100 | 97 | 1.01% | 559 | 0.18 | Village |
| Dawn | 17 | 69 | 102 | -5.48% | 53 | 1.31 | CDP |
Chillicothe is the largest city in Livingston County, with a population of 9,374.
Dawn is the smallest city in Livingston County.
There are 17 cities in Livingston County, Missouri.