New Madison, OH zip code
New Madison, Ohio uses one zip code: 45346. Most of it is in Darke County. Together these zip codes are home to about 1.7K people.
Zip codes
1
Population
1.7K
All zips combined
Largest zip
45346
1,663 residents
Zip codes in New Madison
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 45346 | 1,663 | $77,083 |