ZIP code · New Madison · Ohio · United States
ZIP code 45346 — New Madison
ZIP code 45346 serves New Madison, Ohio.
- Postal code
- 45346Single source Value from one source, not cross-checked.
- City
- New Madison
- County
- Darke
- State
- Ohio
- Country
- United States
- Coordinates
- 39.9687, -84.7222 — precision precise (locality)
View on OpenStreetMap - Population
- 2,022 (ZCTA, ACS 5-year)
- Median household income
- $81,076
- Median age
- 48.4
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page