Tiffin, OH micro area ZIP codes
The Tiffin, OH micropolitan statistical area (CBSA 45660) covers 1 county in Ohio and 15 ZIP codes.
- ZIP codes
- 15
- Population
- 60,208
- Avg. median income
- $66,000population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Tiffin, OH area
ZIP codes in the Tiffin, OH area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 44802 | Alvada | Seneca County | 746 | $80,000 | $293,400 |
| 44807 | Attica | Seneca County | 2,244 | $87,356 | $182,800 |
| 44809 | Bascom | Seneca County | 103 | — | $140,600 |
| 44815 | Bettsville | Seneca County | 710 | $74,688 | $133,400 |
| 44818 | Bloomville | Seneca County | 1,989 | $63,922 | $192,900 |
| 44828 | Flat Rock | Seneca County | 138 | — | — |
| 44830 | Fostoria | Seneca County | 18,671 | $62,990 | $143,700 |
| 44836 | Green Springs | Seneca County | 2,496 | $79,299 | $177,400 |
| 44841 | Kansas | Seneca County | 498 | $53,295 | $189,600 |
| 44844 | Mc Cutchenville | Seneca County | 744 | $83,556 | $196,900 |
| 44845 PO Box | Melmore | Seneca County | — | — | — |
| 44853 | New Riegel | Seneca County | 1,391 | $90,281 | $255,700 |
| 44861 | Old Fort | Seneca County | 31 | — | — |
| 44867 | Republic | Seneca County | 2,345 | $72,716 | $226,800 |
| 44883 | Tiffin | Seneca County | 28,102 | $62,692 | $193,700 |
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
Frequently asked questions
How many ZIP codes are in the Tiffin, OH micro area?
15 ZIP codes, based on each ZIP code's main county.
Which counties make up the Tiffin, OH area?
Seneca County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).