46778 ZIP Code — Petroleum, IN
Wells County, Indiana
ZIP code 46778 is located in Petroleum, Indiana, within Wells County. It covers approximately 2.59 square miles and serves a population of 103 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 260.
103
population
2.59
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
46778 ZIP code map
Cities in ZIP code 46778
Below are the cities the US Postal Service accepts for ZIP code 46778. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Petroleum | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 103 |
| Population density | 40 / sq mi |
| State FIPS | 18 |
| County FIPS | 179 |
| Geography | |
|---|---|
| Land area | 2.59 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 40.6143 |
| Longitude | -85.1542 |
| Timezone | Eastern (ET) |
| Area code | 260 |
Total population by age
Gender
Race & ethnicity
Demographics & statistics
103
Population
40
People per sq mi
53.8
Median age
$34,032
Median household income
$23,362
Per capita income
$76,800
Median home value
$0
Median monthly rent
100.0%
Home ownership
10.7%
Poverty rate
0.0%
Unemployment
60
Housing units
0.0%
Bachelor's or higher
Age distribution
Male
Female
4
15–19
18
2
35–44
9
4
45–54
17
3
65–74
15
5
75–84
26
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 22 | 21.4% |
| 18 and over | 81 | 78.6% |
| 65 and over | 49 | 47.6% |
| Median age | 53.8 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 103 | 100% |
Household income
Under $10k
18.3%
$25k–$35k
51.7%
$35k–$50k
15.0%
$75k–$100k
15.0%
| Range | % of households |
|---|---|
| Under $10k | 18.3% |
| $25k–$35k | 51.7% |
| $35k–$50k | 15.0% |
| $75k–$100k | 15.0% |
| Median income | $34,032 |
Housing
Home values
Under $50k
15.0%
$50k–$100k
51.7%
$100k–$150k
33.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $76,800 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 0.0% |
| Single-family detached | 85.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 15.0% |
| Median rooms | 7.8 |
| Avg household size (owned) | 1.72 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 15.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 0.0% |
| 1960–1969 | 18.3% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 66.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 0.0% |
| 3 bedrooms | 48.3% |
| 4 bedrooms | 51.7% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 66.7% |
| 2 vehicles | 18.3% |
| 3 or more | 15.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 66.7% |
| Propane / LP gas | 33.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9 | 15.0% |
| Cohabiting couple | 9 | 15.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 42 | 70.0% |
| Households with children under 18 | 9 | 15.0% |
| Households with seniors (65+) | 40 | 66.7% |
| Average household size | 1.72 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 50.0% | 38.8% |
| Married | 50.0% | 10.6% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 36.5% |
| Divorced | 0.0% | 14.1% |
Education
Less than 9th grade
11.1%
Some HS, no diploma
53.1%
HS graduate
35.8%
Some college, no degree
0.0%
Associate's degree
0.0%
Bachelor's degree
0.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 35.8% |
| Bachelor's or higher | 0.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 22 | 100.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Retail trade
37.5%
Education & healthcare
34.4%
Other services
28.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 100.0% |
| Service | 0.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 0.0% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 65.6% |
| Government | 34.4% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.9% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 28.1% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
10.7%
Under 18 years
0.0%
18 and over
13.6%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 66.7% |
| Retirement income | 66.7% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 0 | 0.0% |
| Disability | % |
|---|---|
| Any disability | 28.2% |
| Under 18 | 50.0% |
| 18–64 years | 28.1% |
| 65 and over | 18.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 41.7% |
| Public insurance | 47.6% |
| No insurance | 10.7% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 103 | 100.0% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 103 | 100.0% |
| Born in same state | 103 | 100.0% |
| Born in different state | 94 | 91.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 31 | 30.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 58.3% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 46778
What city is ZIP code 46778 in?
ZIP code 46778 is primarily assigned to Petroleum, Indiana.
What county is ZIP code 46778 in?
ZIP code 46778 falls within Wells County, Indiana.
Does ZIP code 46778 have an older population?
48% of residents in ZIP code 46778 are 65 or older, above the national average of ~17%.
Does ZIP code 46778 have a large retiree population?
67% of households in ZIP code 46778 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 46778?
The median home value in ZIP code 46778 is $76,800.
What is the median household income in ZIP code 46778?
The median household income in ZIP code 46778 is $34,032, below the national median of ~$75,000.
What timezone is ZIP code 46778 in?
ZIP code 46778 observes the EST timezone.