Fostoria, IA ZIP code
The ZIP code for Fostoria, Iowa is 51340. It is in Clay County.
- Population in these ZIPs
- 75
- Avg. median income
- $90,300population-weighted
- Typical home value
- $146,200population-weighted
- Metro area
- Spencer, IA
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Fostoria, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 51340 | 75 | $90,250 | $146,200 |
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 Fostoria
Frequently asked questions
What is the ZIP code for Fostoria, IA?
The ZIP code for Fostoria, IA is 51340.
What county is Fostoria, Iowa in?
Fostoria ZIP codes are in Clay County.