There are 7 zip codes in Madison County, Ohio. The most populated is 43140, located in London. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
43140 | London | 23,812 |
43064 | Plain City | 17,188 |
43162 | West Jefferson | 6,837 |
43143 | Mount Sterling | 5,931 |
43153 | South Solon | 1,113 |
43029 | Irwin | 532 |
43151 | Sedalia | 257 |