43 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 43123 | Grove City | 66,366 |
| 43026 | Hilliard | 64,644 |
| 43081 | Westerville | 64,314 |
| 43230 | Columbus | 59,522 |
| 43068 | Reynoldsburg | 59,399 |
| 43228 | Columbus | 58,607 |
| 43229 | Columbus | 54,237 |
| 43232 | Columbus | 46,844 |
| 43207 | Columbus | 46,810 |
| 43235 | Columbus | 45,171 |
| 43016 | Dublin | 44,514 |
| 43224 | Columbus | 44,096 |
| 43204 | Columbus | 43,444 |
| 43017 | Dublin | 41,422 |
| 43213 | Columbus | 35,912 |
| 43221 | Columbus | 35,037 |
| 43201 | Columbus | 33,873 |
| 43219 | Columbus | 32,537 |
| 43004 | Blacklick | 31,416 |
| 43220 | Columbus | 29,715 |
| 43119 | Galloway | 29,423 |
| 43209 | Columbus | 28,431 |
| 43054 | New Albany | 27,727 |
| 43223 | Columbus | 27,427 |
| 43214 | Columbus | 26,420 |
| 43085 | Columbus | 26,154 |
| 43227 | Columbus | 25,282 |
| 43212 | Columbus | 23,092 |
| 43211 | Columbus | 23,003 |
| 43231 | Columbus | 22,722 |
| 43206 | Columbus | 22,026 |
| 43202 | Columbus | 20,059 |
| 43215 | Columbus | 16,999 |
| 43125 | Groveport | 14,765 |
| 43205 | Columbus | 12,400 |
| 43210 | Columbus | 11,853 |
| 43203 | Columbus | 9,093 |
| 43222 | Columbus | 4,182 |
| 43217 | Columbus | 2,021 |
| 43002 | Amlin | 711 |
| 43126 | Harrisburg | 360 |
| 43109 | Brice | 136 |
| 43218 | Columbus | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 43 ZCTAs in Franklin County, Ohio (US Census).