There are 22 cities in Madison 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 |
|---|---|---|---|---|---|---|---|
| Columbus | 1 | 915,427 | 906,418 | 0.25% | 4,147 | 220.7 | City |
| Dublin | 2 | 48,783 | 49,343 | -0.29% | 1,977 | 24.7 | City |
| Hilliard | 3 | 37,303 | 37,137 | 0.11% | 2,613 | 14.3 | City |
| London | 4 | 10,621 | 10,268 | 0.83% | 1,265 | 8.4 | City |
| West Jefferson | 5 | 4,599 | 4,155 | 2.47% | 464 | 9.9 | Village |
| Lake Darby | 6 | 4,565 | 4,133 | -0.04% | 1,319 | 3.5 | CDP |
| Plain City | 7 | 4,402 | 4,144 | 1.47% | 1,601 | 2.8 | Village |
| Commercial Point | 8 | 3,258 | 3,085 | 1.34% | 800 | 4.1 | Village |
| Choctaw Lake | 9 | 2,286 | 2,099 | 2.37% | 2,204 | 1.0 | CDP |
| Mount Sterling | 10 | 2,059 | 1,941 | 1.43% | 1,220 | 1.7 | Village |
| New California | 11 | 1,992 | 1,330 | 2.15% | 968 | 2.1 | CDP |
| Mechanicsburg | 12 | 1,681 | 1,681 | 0% | 1,714 | 1.0 | Village |
| Derby | 13 | 557 | 543 | 1.83% | 419 | 1.3 | CDP |
| South Vienna | 14 | 399 | 407 | -0.5% | 613 | 0.7 | Village |
| South Solon | 15 | 326 | 325 | 0% | 1,387 | 0.2 | Village |
| Harrisburg | 16 | 307 | 313 | -0.65% | 1,981 | 0.2 | Village |
| Plumwood | 17 | 271 | 240 | -1.46% | 436 | 0.6 | CDP |
| Midway | 18 | 269 | 269 | 0% | 1,035 | 0.3 | Village |
| Orient | 19 | 243 | 130 | 8% | 1,588 | 0.2 | CDP |
| Darbyville | 20 | 190 | 185 | 0.53% | 368 | 0.5 | Village |
| Mutual | 21 | 127 | 127 | 0% | 941 | 0.1 | Village |
| Lafayette | 22 | 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.
Columbus is the largest city in Madison County.
Lafayette is the smallest city in Madison County.
There are 22 cities in Madison County, Ohio.