ZIP code · Senecaville · Ohio · United States
ZIP code 43780 — Senecaville
ZIP code 43780 serves Senecaville, Ohio.
- Postal code
- 43780Single source Value from one source, not cross-checked.
- City
- Senecaville
- County
- Guernsey
- State
- Ohio
- Country
- United States
- Coordinates
- 39.9337, -81.4580 — precision precise (locality)
View on OpenStreetMap - Population
- 2,187 (ZCTA, ACS 5-year)
- Median household income
- $64,091
- Median age
- 50
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
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 · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page