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Petroleum, IN
Census-designated place in Wells County, Indiana. ZIP codes: 46778.
Population
34
Land area
0.1sq mi
People per sq mi
413
ZIP codes
1
Petroleum and its ZIP codes
Petroleum at a glance
- Petroleum is about 2.2 times as dense as Indiana as a whole.
Local data for Petroleum, IN
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Wells County. PPP loans are for Petroleum.
Unemployment rate
2.7%
Aug 2026, -0.3 pts in a year
Average annual pay
$51,427
11,160 jobs, 2025
Income per person
$55,251
BEA, 2024
Federal spending
$181M
FY 2026, $6,429 per person
PPP loans
$233K
1 loan, 18 jobs reported
Environment and hazard risk
Petroleum, IN, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: tornado
Storm events since 1996
286
Countywide, mostly thunderstorm wind
Flood insurance policies
37
0.3% of homes, county
July high / Jan low
84° / 18°F
41.9 inches of rain a year
ZIP codes in Petroleum
1 in or overlapping Petroleum. Population shown
Cities near Petroleum
| Name | Distance | Land area (sq mi) |
|---|---|---|
| PonetoTown | 4.9 mi | 0.1 |
| KeystoneCensus-designated place | 5.8 mi | 0.9 |
| Linn GroveCensus-designated place | 6.7 mi | 0.2 |
| Vera CruzTown | 7.3 mi | 0.1 |
| MontpelierCity | 8.5 mi | 1.5 |
| PennvilleTown | 8.4 mi | 0.5 |
| Liberty CenterCensus-designated place | 8.9 mi | 1.4 |
| BlufftonCity | 9.7 mi | 8.5 |
| GenevaTown | 10 mi | 1.1 |
| BerneCity | 11 mi | 2.3 |
| BryantTown | 11 mi | 0.3 |
| CraigvilleCensus-designated place | 12 mi | 0.2 |
| RollCensus-designated place | 13 mi | 0.8 |
| MonroeTown | 14 mi | 0.7 |
| PortlandCity | 15 mi | 4.9 |
| WarrenTown | 15 mi | 1.1 |
Frequently asked questions
- What county is Petroleum, IN in?
- Petroleum is in Wells County, Indiana.
- What ZIP codes are in Petroleum, IN?
- ZIP codes in or overlapping Petroleum include 46778.
- What is the population of Petroleum, IN?
- About 34 people live in Petroleum, based on American Community Survey 5-year estimates.
- What cities are near Petroleum?
- Nearby places include Poneto (4.9 mi), Keystone (5.8 mi), Linn Grove (6.7 mi), Vera Cruz (7.3 mi), Montpelier (8.5 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023