82434 ZIP Code — Otto, WY
Big Horn County, Wyoming
ZIP code 82434 is located in Otto, Wyoming, within Big Horn County. It covers approximately 49.65 square miles and serves a population of 74 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 307.
74
population
49.65
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
82434 ZIP code map
Cities in ZIP code 82434
Below are the cities the US Postal Service accepts for ZIP code 82434. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Otto | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 74 |
| Population density | 1 / sq mi |
| State FIPS | 56 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 49.65 sq mi |
| Water area | 0.25 sq mi |
| Latitude | 44.4099 |
| Longitude | -108.2778 |
| Timezone | Mountain (MT) |
| Area code | 307 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 88.9% | 48.4% | 38.1% |
| $50k – $100k | 0.0% | 32.9% | 33.2% |
| $100k – $200k | 11.1% | 16.3% | 23.7% |
| Over $200k | 0.0% | 2.4% | 5.0% |
Demographics & statistics
74
Population
1
People per sq mi
65.3
Median age
$25,809
Median household income
$15,232
Per capita income
$0
Median home value
$0
Median monthly rent
58.5%
Home ownership
35.1%
Poverty rate
0.0%
Unemployment
64
Housing units
18.8%
Bachelor's or higher
Age distribution
Male
Female
13
20–24
13
24
65–74
24
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 0 | 0.0% |
| 18 and over | 74 | 100.0% |
| 65 and over | 48 | 64.9% |
| Median age | 65.3 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 74 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 88.9% | 48.4% | 38.1% |
| $50k – $100k | 0.0% | 32.9% | 33.2% |
| $100k – $200k | 11.1% | 16.3% | 23.7% |
| Over $200k | 0.0% | 2.4% | 5.0% |
$15k–$25k
36.6%
$25k–$35k
41.5%
$50k–$75k
22.0%
| Range | % of households |
|---|---|
| $15k–$25k | 36.6% |
| $25k–$35k | 41.5% |
| $50k–$75k | 22.0% |
| Median income | $25,809 |
Housing
Home values
$100k–$150k
62.5%
$500k–$1M
37.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $0 |
| Median rent / month | $0 |
| Owner occupied | 58.5% |
| Renter occupied | 41.5% |
| Vacant | 49.4% |
| Single-family detached | 45.7% |
| Large apartment buildings | 0.0% |
| Mobile homes | 54.3% |
| Median rooms | 4.4 |
| Avg household size (owned) | 1.75 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 18.5% |
| 1960–1969 | 46.9% |
| 1950–1959 | 34.6% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 0.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 35.8% |
| 3 bedrooms | 32.1% |
| 4 bedrooms | 32.1% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 78.0% |
| 2 vehicles | 0.0% |
| 3 or more | 22.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 58.5% |
| Propane / LP gas | 41.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 41 | 100.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 0 | 0.0% |
| Households with seniors (65+) | 26 | 63.4% |
| Average household size | 1.80 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 0.0% |
| Married | 100.0% | 100.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
0.0%
HS graduate
0.0%
Some college, no degree
14.6%
Associate's degree
66.7%
Bachelor's degree
18.8%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 100.0% |
| Bachelor's or higher | 18.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Agriculture & mining
70.3%
Construction
29.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 70.3% |
| Service | 0.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 29.7% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 54.1% |
| Government | 0.0% |
| Self-employed | 45.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.7% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 24.3% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
35.1%
Under 18 years
0.0%
18 and over
35.1%
Married-couple families
36.6%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 22.0% |
| Retirement income | 41.5% |
| Supplemental Security | 0.0% |
| Cash public assistance | 22.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.7% |
| High blood pressure | 34.1% |
| High cholesterol | 31.8% |
| Diabetes | 9.7% |
| Heart disease | 7.5% |
| Stroke | 3.4% |
| Asthma | 9.8% |
| Arthritis | 22.9% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.9% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Smoking | 19.5% |
| Binge drinking | 16.6% |
| No physical activity | 25.5% |
| Less than 7 hrs sleep | 29.2% |
| Depression | 17.8% |
| Fair or poor health | 13.9% |
| Poor mental health | 12.9% |
| Poor physical health | 10.7% |
| No health insurance | 16.8% |
| Visited doctor (checkup) | 67.0% |
| Visited dentist | 62.3% |
| Cholesterol screening | 89.0% |
| Teeth loss | 15.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 0 | 0.0% |
| Disability | % |
|---|---|
| Any disability | 35.1% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 54.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 58.1% |
| Public insurance | 85.1% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 74 | 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) | 74 | 100.0% |
| Born in same state | 74 | 100.0% |
| Born in different state | 52 | 70.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Dutch | 33 | 44.6% |
| Ancestry | Count | % |
|---|---|---|
| French | 32 | 43.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 55.4% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 82434
What city is ZIP code 82434 in?
ZIP code 82434 is primarily assigned to Otto, Wyoming.
What county is ZIP code 82434 in?
ZIP code 82434 falls within Big Horn County, Wyoming.
Does ZIP code 82434 have an older population?
65% of residents in ZIP code 82434 are 65 or older, above the national average of ~17%.
What is the poverty rate in ZIP code 82434?
35% of residents in ZIP code 82434 live below the poverty line, above the national average.
What is the median household income in ZIP code 82434?
The median household income in ZIP code 82434 is $25,809, below the national median of ~$75,000.
What is the population of ZIP code 82434?
ZIP code 82434 has an estimated population of 74 residents, with a density of 1 people per square mile.
What timezone is ZIP code 82434 in?
ZIP code 82434 observes the MST timezone.