There are 34 cities in Clark 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 |
|---|---|---|---|---|---|---|---|
| Dayton | 1 | 134,850 | 137,496 | -0.49% | 2,416 | 55.8 | City |
| Springfield | 2 | 57,910 | 58,598 | -0.3% | 2,174 | 26.6 | City |
| Beavercreek | 3 | 47,387 | 46,609 | 0.41% | 1,782 | 26.6 | City |
| Huber Heights | 4 | 43,269 | 43,444 | -0.1% | 1,949 | 22.2 | City |
| Fairborn | 5 | 34,778 | 34,581 | 0.14% | 2,387 | 14.6 | City |
| Urbana | 6 | 11,165 | 11,147 | 0.04% | 1,342 | 8.3 | City |
| London | 7 | 10,621 | 10,268 | 0.83% | 1,265 | 8.4 | City |
| Northridge | 8 | 7,692 | 7,318 | 0.1% | 2,511 | 3.1 | CDP |
| New Carlisle | 9 | 5,472 | 5,559 | -0.4% | 2,040 | 2.7 | City |
| West Jefferson | 10 | 4,599 | 4,155 | 2.47% | 464 | 9.9 | Village |
| Cedarville | 11 | 4,248 | 4,254 | -0.05% | 3,245 | 1.3 | Village |
| Park Layne | 12 | 3,912 | 4,420 | -0.79% | 2,672 | 1.5 | CDP |
| Yellow Springs | 13 | 3,722 | 3,704 | 0.11% | 1,352 | 2.8 | Village |
| Enon | 14 | 2,428 | 2,463 | -0.37% | 1,876 | 1.3 | Village |
| Choctaw Lake | 15 | 2,286 | 2,099 | 2.37% | 2,204 | 1.0 | CDP |
| Green Meadows | 16 | 2,168 | 2,060 | -0.55% | 2,727 | 0.8 | CDP |
| South Charleston | 17 | 1,682 | 1,709 | -0.41% | 1,364 | 1.2 | Village |
| Mechanicsburg | 18 | 1,681 | 1,681 | 0% | 1,714 | 1.0 | Village |
| Crystal Lakes | 19 | 1,625 | 1,478 | 0.62% | 3,378 | 0.5 | CDP |
| Holiday Valley | 20 | 1,516 | 1,573 | 0.07% | 833 | 1.8 | CDP |
| Wright-Patterson AFB | 21 | 1,510 | 2,414 | -1.44% | 153 | 9.9 | CDP |
| Medway | 22 | 623 | 360 | 7.79% | 1,306 | 0.5 | CDP |
| Lawrenceville | 23 | 485 | 481 | 7.54% | 988 | 0.5 | CDP |
| North Hampton | 24 | 452 | 462 | -0.66% | 1,174 | 0.4 | Village |
| South Vienna | 25 | 399 | 407 | -0.5% | 613 | 0.7 | Village |
| Tremont City | 26 | 343 | 353 | -0.87% | 1,552 | 0.2 | Village |
| South Solon | 27 | 326 | 325 | 0% | 1,387 | 0.2 | Village |
| Plumwood | 28 | 271 | 240 | -1.46% | 436 | 0.6 | CDP |
| Donnelsville | 29 | 253 | 259 | -0.78% | 796 | 0.3 | Village |
| Brandt | 30 | 251 | 383 | 7.72% | 259 | 1.0 | CDP |
| Catawba | 31 | 240 | 244 | -0.41% | 1,039 | 0.2 | Village |
| Clifton | 32 | 136 | 134 | 0% | 805 | 0.2 | Village |
| Mutual | 33 | 127 | 127 | 0% | 941 | 0.1 | Village |
| Lafayette | 34 | 122 | 188 | -3.94% | 116 | 1.0 | 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.
Dayton is the largest city in Clark County.
Lafayette is the smallest city in Clark County.
There are 34 cities in Clark County, Ohio.