Old Fort, OH ZIP code
The ZIP code for Old Fort, Ohio is 44861. It is in Seneca County.
- Population in these ZIPs
- 31
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Tiffin, OH
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Old Fort, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 44861 | 31 | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Old Fort
Frequently asked questions
What is the ZIP code for Old Fort, OH?
The ZIP code for Old Fort, OH is 44861.
What county is Old Fort, Ohio in?
Old Fort ZIP codes are in Seneca County.