Flat Rock, OH ZIP code
The ZIP code for Flat Rock, Ohio is 44828. It is in Seneca County.
- Population in these ZIPs
- 138
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Tiffin, OH
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Flat Rock, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 44828 | 138 | — | — |
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 Flat Rock
Frequently asked questions
What is the ZIP code for Flat Rock, OH?
The ZIP code for Flat Rock, OH is 44828.
What county is Flat Rock, Ohio in?
Flat Rock ZIP codes are in Seneca County.