Madison County, Ohio ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
56,968
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 43140 | London | 24,237 |
| 2 | 43064 | Plain City | 18,143 |
| 3 | 43162 | West Jefferson | 6,896 |
| 4 | 43143 | Mount Sterling | 5,803 |
| 5 | 43153 | South Solon | 1,112 |
| 6 | 43029 | Irwin | 544 |
| 7 | 43151 | Sedalia | 233 |
Cities in Madison County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.