Petroleum, IN ZIP code
The ZIP code for Petroleum, Indiana is 46778. It is in Wells County.
- Population in these ZIPs
- 34
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Fort Wayne, IN
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Petroleum, IN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 46778 | 34 | — | — |
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 Petroleum
- Keystone 1 mi
- Poneto 6 mi
- Pennville 7 mi
- Montpelier 7 mi
- Bluffton 8 mi
- Liberty Center 10 mi
- Geneva 10 mi
- Bryant 11 mi
- Berne 13 mi
- Hartford City 13 mi
- Craigville 14 mi
- Dunkirk 14 mi
Frequently asked questions
What is the ZIP code for Petroleum, IN?
The ZIP code for Petroleum, IN is 46778.
What county is Petroleum, Indiana in?
Petroleum ZIP codes are in Wells County.