50839 ZIP Code — Carbon, IA
Adams County, Iowa
ZIP code 50839 is located in Carbon, Iowa, within Adams County. It covers approximately 0.50 square miles and serves a population of 59 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.
59
population
0.50
sq mi land
Standard
ZIP type
Central (CT)
timezone
50839 ZIP code map
Cities in ZIP code 50839
Below are the cities the US Postal Service accepts for ZIP code 50839. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Carbon | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 59 |
| Population density | 118 / sq mi |
| State FIPS | 19 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 0.50 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 41.0492 |
| Longitude | -94.8249 |
| Timezone | Central (CT) |
| Area code | 641 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 50.0% | 47.2% | 40.1% |
| $50k – $100k | 35.7% | 36.7% | 33.4% |
| $100k – $200k | 14.3% | 13.4% | 21.5% |
| Over $200k | 0.0% | 2.7% | 5.0% |
Demographics & statistics
59
Population
118
People per sq mi
62.8
Median age
$43,125
Median household income
$20,702
Per capita income
$71,700
Median home value
$0
Median monthly rent
100.0%
Home ownership
5.1%
Poverty rate
0.0%
Unemployment
36
Housing units
11.1%
Bachelor's or higher
Age distribution
Male
Female
5
5–9
6
1
10–14
2
0
45–54
1
2
55–59
2
5
60–64
6
10
65–74
11
4
75–84
4
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 14 | 23.7% |
| 18 and over | 45 | 76.3% |
| 65 and over | 29 | 49.2% |
| Median age | 62.8 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 59 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 50.0% | 47.2% | 40.1% |
| $50k – $100k | 35.7% | 36.7% | 33.4% |
| $100k – $200k | 14.3% | 13.4% | 21.5% |
| Over $200k | 0.0% | 2.7% | 5.0% |
Under $10k
4.0%
$15k–$25k
20.0%
$25k–$35k
8.0%
$35k–$50k
28.0%
$50k–$75k
32.0%
$75k–$100k
8.0%
| Range | % of households |
|---|---|
| Under $10k | 4.0% |
| $15k–$25k | 20.0% |
| $25k–$35k | 8.0% |
| $35k–$50k | 28.0% |
| $50k–$75k | 32.0% |
| $75k–$100k | 8.0% |
| Median income | $43,125 |
Housing
Home values
Under $50k
36.0%
$50k–$100k
44.0%
$100k–$150k
16.0%
$150k–$200k
4.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $71,700 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 30.6% |
| Single-family detached | 77.8% |
| Large apartment buildings | 0.0% |
| Mobile homes | 22.2% |
| Median rooms | 4.8 |
| Avg household size (owned) | 2.36 |
Year built
| Era | % |
|---|---|
| 2020 or later | 2.8% |
| 2010–2019 | 0.0% |
| 2000–2009 | 13.9% |
| 1990–1999 | 8.3% |
| 1980–1989 | 0.0% |
| 1970–1979 | 5.6% |
| 1960–1969 | 13.9% |
| 1950–1959 | 0.0% |
| 1940–1949 | 25.0% |
| 1939 or earlier | 30.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 27.8% |
| 2 bedrooms | 30.6% |
| 3 bedrooms | 22.2% |
| 4 bedrooms | 0.0% |
| 5+ bedrooms | 19.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.0% |
| 1 vehicle | 24.0% |
| 2 vehicles | 48.0% |
| 3 or more | 24.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 12.0% |
| Propane / LP gas | 80.0% |
| Wood | 8.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 13 | 52.0% |
| Cohabiting couple | 2 | 8.0% |
| Male householder, no spouse | 8 | 32.0% |
| Female householder, no spouse | 2 | 8.0% |
| Households with children under 18 | 3 | 12.0% |
| Households with seniors (65+) | 17 | 68.0% |
| Average household size | 2.36 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 10.3% | 0.0% |
| Married | 48.3% | 75.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 10.3% | 12.5% |
| Divorced | 31.0% | 12.5% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
20.0%
HS graduate
64.4%
Some college, no degree
4.4%
Associate's degree
0.0%
Bachelor's degree
11.1%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 80.0% |
| Bachelor's or higher | 11.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 4 | 28.6% |
| Elementary school | 10 | 71.4% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Retail trade
64.3%
Education & healthcare
14.3%
Agriculture & mining
7.1%
Manufacturing
7.1%
Other services
7.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 7.1% |
| Service | 14.3% |
| Sales & office | 64.3% |
| Natural resources & construction | 7.1% |
| Production & transportation | 7.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 28.6% |
| Government | 14.3% |
| Self-employed | 57.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 92.9% |
| Carpool | 7.1% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
5.1%
Under 18 years
0.0%
18 and over
6.7%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 76.0% |
| Retirement income | 52.0% |
| Supplemental Security | 8.0% |
| Cash public assistance | 8.0% |
| Food stamps / SNAP | 24.0% |
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 | 9 | 20.0% |
| Disability | % |
|---|---|
| Any disability | 39.0% |
| Under 18 | 0.0% |
| 18–64 years | 25.0% |
| 65 and over | 65.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 50.8% |
| Public insurance | 89.8% |
| No insurance | 3.4% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 59 | 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) | 58 | 98.3% |
| Born in same state | 58 | 98.3% |
| Born in different state | 44 | 74.6% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 1 | 1.7% |
| Not a US citizen | 1 | 100.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 20 | 33.9% |
| Italian | 10 | 16.9% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 3 | 5.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.4% |
| Internet access | 88.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 50839
What city is ZIP code 50839 in?
ZIP code 50839 is primarily assigned to Carbon, Iowa.
What county is ZIP code 50839 in?
ZIP code 50839 falls within Adams County, Iowa.
Does ZIP code 50839 have a large retiree population?
76% of households in ZIP code 50839 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 50839 have an older population?
49% of residents in ZIP code 50839 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 50839?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 50839 have a large veteran population?
20% of civilians in ZIP code 50839 are veterans, above the national average of ~7%.
What timezone is ZIP code 50839 in?
ZIP code 50839 observes the CST timezone.