There are 24 cities in Ross County, Ohio.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Chillicothe | 1 | 21,847 | 22,038 | -0.22% | 2,081 | 10.5 | City |
| Washington Court House | 2 | 14,403 | 14,438 | -0.06% | 1,614 | 8.9 | City |
| Greenfield | 3 | 4,334 | 4,341 | -0.05% | 2,078 | 2.1 | Village |
| Waverly | 4 | 4,099 | 4,157 | -0.36% | 984 | 4.2 | Village |
| Piketon | 5 | 2,166 | 2,130 | 0.42% | 862 | 2.5 | Village |
| Kingston | 6 | 1,239 | 1,258 | -0.4% | 3,349 | 0.4 | Village |
| Jeffersonville | 7 | 1,238 | 1,254 | -0.32% | 729 | 1.7 | Village |
| Frankfort | 8 | 1,103 | 1,119 | -0.36% | 2,197 | 0.5 | Village |
| Williamsport | 9 | 1,024 | 975 | 1.19% | 577 | 1.8 | Village |
| Massieville | 10 | 817 | 579 | 7.78% | 434 | 1.9 | CDP |
| Bainbridge | 11 | 750 | 761 | -0.4% | 1,473 | 0.5 | Village |
| Laurelville | 12 | 493 | 512 | -1% | 2,336 | 0.2 | Village |
| Richmond Dale | 13 | 431 | 584 | 0.94% | 862 | 0.5 | CDP |
| Bourneville | 14 | 430 | 257 | 3.86% | 855 | 0.5 | CDP |
| Clarksburg | 15 | 401 | 408 | -0.5% | 2,522 | 0.2 | Village |
| Andersonville | 16 | 375 | 584 | -7.18% | 165 | 2.3 | CDP |
| Adelphi | 17 | 315 | 318 | -0.32% | 1,150 | 0.3 | Village |
| Good Hope | 18 | 264 | 231 | 0.76% | 351 | 0.8 | CDP |
| South Salem | 19 | 211 | 213 | -0.47% | 1,172 | 0.2 | Village |
| Darbyville | 20 | 190 | 185 | 0.53% | 368 | 0.5 | Village |
| Milledgeville | 21 | 100 | 102 | -0.99% | 1,000 | 0.1 | Village |
| Pancoastburg | 22 | 76 | 43 | 8.57% | 223 | 0.3 | CDP |
| Octa | 23 | 58 | 57 | 0% | 200 | 0.3 | Village |
| Cynthiana | 24 | 27 | 29 | 8% | 794 | 0.0 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Chillicothe is the largest city in Ross County.
Cynthiana is the smallest city in Ross County.
There are 24 cities in Ross County, Ohio.