ZIP code 46778: Petroleum, IN
46778 is a ZIP code in Petroleum, Indiana, mainly in Wells County, part of the Fort Wayne, IN metro area. About 34 people live here.
- Population
- 34
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 46778's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 46778 details
| City | Petroleum |
|---|---|
| State | Indiana |
| County | Wells County |
| Metro area | Fort Wayne, IN |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 2.6 sq mi |
| Population density | 13 people per sq mi |
| Bachelor's degree or higher | 0% of adults 25+ |
| Center coordinates | 40.60376, -85.16219 |
ZIP codes near 46778
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 46759 | Keystone, IN | 0.9 mi | 271 |
| 46781 | Poneto, IN | 5.9 mi | 1,046 |
| 47369 | Pennville, IN | 6.7 mi | 1,212 |
| 46769 | Linn Grove, IN | 7.4 mi | — |
| 47359 | Montpelier, IN | 7.4 mi | 3,528 |
| 46714 | Bluffton, IN | 8.2 mi | 15,734 |
| 46766 | Liberty Center, IN | 9.9 mi | 579 |
| 46740 | Geneva, IN | 10.4 mi | 4,486 |
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
About ZIP code 46778
What city is ZIP code 46778?
ZIP code 46778 is in Petroleum, IN, in Wells County.
What county is ZIP code 46778 in?
46778 is mainly in Wells County, Indiana.
What is the population of ZIP code 46778?
About 34 people live in ZIP code 46778, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 46778 in?
46778 is in Eastern Time (UTC−5). It observes daylight saving time.