There are 47 cities in Franklin 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 |
| Grove City | 3 | 43,272 | 41,312 | 1.15% | 2,317 | 18.7 | City |
| Reynoldsburg | 4 | 41,276 | 41,050 | 0.14% | 3,644 | 11.3 | City |
| Westerville | 5 | 37,529 | 39,244 | -1.13% | 2,978 | 12.6 | City |
| Hilliard | 6 | 37,303 | 37,137 | 0.11% | 2,613 | 14.3 | City |
| Upper Arlington | 7 | 35,403 | 36,761 | -0.95% | 3,614 | 9.8 | City |
| Gahanna | 8 | 34,977 | 35,705 | -0.52% | 2,813 | 12.4 | City |
| Pickerington | 9 | 25,921 | 23,260 | 2.63% | 2,543 | 10.2 | City |
| Whitehall | 10 | 19,601 | 20,104 | -0.64% | 3,714 | 5.3 | City |
| Pataskala | 11 | 18,490 | 17,912 | 0.78% | 638 | 29.0 | City |
| Powell | 12 | 14,571 | 14,250 | 0.55% | 2,506 | 5.8 | City |
| Worthington | 13 | 14,400 | 14,786 | -0.67% | 2,633 | 5.5 | City |
| Bexley | 14 | 12,412 | 13,904 | -2.92% | 5,127 | 2.4 | City |
| New Albany | 15 | 11,421 | 11,076 | 0.76% | 557 | 20.5 | City |
| London | 16 | 10,621 | 10,268 | 0.83% | 1,265 | 8.4 | City |
| Canal Winchester | 17 | 9,972 | 9,190 | 1.99% | 1,227 | 8.1 | City |
| Lincoln Village | 18 | 9,640 | 9,546 | 0.46% | 5,282 | 1.8 | CDP |
| Blacklick Estates | 19 | 9,065 | 10,097 | 0.31% | 4,801 | 1.9 | CDP |
| Grandview Heights | 20 | 9,039 | 8,246 | 2.24% | 6,874 | 1.3 | City |
| Obetz | 21 | 7,453 | 5,525 | 6.91% | 1,279 | 5.8 | Village |
| Groveport | 22 | 5,740 | 6,003 | -1.14% | 659 | 8.7 | City |
| Ashville | 23 | 4,829 | 4,553 | 1.45% | 2,025 | 2.4 | Village |
| West Jefferson | 24 | 4,599 | 4,155 | 2.47% | 464 | 9.9 | Village |
| Lake Darby | 25 | 4,565 | 4,133 | -0.04% | 1,319 | 3.5 | CDP |
| Plain City | 26 | 4,402 | 4,144 | 1.47% | 1,601 | 2.8 | Village |
| Huber Ridge | 27 | 4,252 | 4,213 | -0.58% | 4,061 | 1.0 | CDP |
| Commercial Point | 28 | 3,258 | 3,085 | 1.34% | 800 | 4.1 | Village |
| Lithopolis | 29 | 2,884 | 2,180 | 6.5% | 1,273 | 2.3 | Village |
| South Bloomfield | 30 | 2,830 | 2,149 | 6.39% | 708 | 4.0 | Village |
| Choctaw Lake | 31 | 2,286 | 2,099 | 2.37% | 2,204 | 1.0 | CDP |
| New California | 32 | 1,992 | 1,330 | 2.15% | 968 | 2.1 | CDP |
| Minerva Park | 33 | 1,922 | 2,010 | -1.13% | 2,971 | 0.6 | Village |
| Urbancrest | 34 | 984 | 1,030 | -1.21% | 1,676 | 0.6 | Village |
| Shawnee Hills | 35 | 940 | 840 | 2.73% | 2,112 | 0.4 | Village |
| Darbydale | 36 | 828 | 695 | 0.24% | 831 | 1.0 | CDP |
| Marble Cliff | 37 | 715 | 651 | 2.29% | 2,544 | 0.3 | Village |
| Valleyview | 38 | 640 | 667 | -1.08% | 4,476 | 0.1 | Village |
| Riverlea | 39 | 568 | 595 | -1.22% | 3,762 | 0.2 | Village |
| Derby | 40 | 557 | 543 | 1.83% | 419 | 1.3 | CDP |
| Harrisburg | 41 | 307 | 313 | -0.65% | 1,981 | 0.2 | Village |
| Plumwood | 42 | 271 | 240 | -1.46% | 436 | 0.6 | CDP |
| Orient | 43 | 243 | 130 | 8% | 1,588 | 0.2 | CDP |
| Lockbourne | 44 | 226 | 237 | -1.31% | 288 | 0.8 | Village |
| Darbyville | 45 | 190 | 185 | 0.53% | 368 | 0.5 | Village |
| Lafayette | 46 | 122 | 188 | -3.94% | 116 | 1.0 | CDP |
| Brice | 47 | 90 | 94 | -1.1% | 1,023 | 0.1 | Village |
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 Franklin County.
Brice is the smallest city in Franklin County.
There are 47 cities in Franklin County, Ohio.