ZIP Code 46778 - Petroleum Indiana
Overview
ZIP Code 46778 is located in Petroleum Indiana. Portions of 46778 are also in Nottingham Township. 46778 is entirely within Wells County. Regionally, 46778 is located in the Ft. Wayne Area.
ZIP Code 46778 Quick Stats
| ZIP Code Name | Petroleum |
| Primary County | Wells County |
| ZIP Code Type | PO Box |
| Population (2022) | 103 |
| Area Code(s) | 260 |
| Current Time | EDT |
ZIP Code 46778 Map
46778 Demographics
The majority race/ethnicity residing in 46778 is White. The current unemployment level in 46778 is 3.6%.
| Population | 103 |
| Population Density | 3,065 People per Square Mile |
| Total Households | 44 |
| Current Unemployment Rate (May 2026) | 3.6% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 100% |
46778 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 84 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
46778 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 0 | 0% |
| High School Diploma | 10 | 58.82% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 7 | 41.18% |
| 1 or More Years of College | 0 | 0% |
| Associates Degree | 0 | 0% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
46778 Geography
| Coordinates | 40.61204147, -85.15270996 |
| Adjacent ZIP Codes | |
| Cities/Towns in 46778 | |
| Region | Ft. Wayne Area |
| Metropolitan/Micropolitan Stat Area | Bluffton, IN |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/Indiana/Indianapolis |
| Area | 0.03360356 Square Miles |
46778 Schools
| School Districts in 46778 | |
| Elementary Schools in 46778 | |
| High Schools in 46778 |