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Wyoming ZIP Codes
Big Horn County
Deaver, WY
82421
82421 ZIP Code — Deaver, WY
Big Horn County, Wyoming
ZIP code 82421 is located in
Deaver ,
Wyoming ,
within Big Horn County .
It covers approximately 74.32 square miles and serves a population of
293 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 307 .
About ZIP code 82421
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $124,400. Owner-occupancy is high at 94%, well above the national average.
Median household income is $51,875. 60% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 26 minutes is near the national average.
College attainment at 7% is below the national average, consistent with a trades and production-oriented local economy.
24% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%; and disability rates above the national average at 28%.
Overall, ZIP code 82421 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.
82421 ZIP code map
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Cities in ZIP code 82421
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Demographics
updated 08/2026
Population
Total population
293
Population density
4 / sq mi
State FIPS
56
County FIPS
003
Geography
Land area
74.32 sq mi
Water area
0.15 sq mi
Latitude
44.9355
Longitude
-108.5955
Timezone
Mountain (MT)
Area code
307
Economics
updated 08/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
63.2%
48.4%
38.1%
$50k – $100k
18.9%
32.9%
33.2%
$100k – $200k
12.3%
16.3%
23.7%
Over $200k
5.7%
2.4%
5.0%
Demographics & statistics
$51,875
Median household income
$124,400
Median home value
Age distribution
Age summary
Group Count % Under 18 35 11.9% 18 and over 258 88.1% 65 and over 123 42.0% Median age 62.5 years
Race & ethnicity
Group Count % White 259 79.7% Two or more races 33 10.2% Hispanic or Latino 32 9.8% Asian 1 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
63.2%
48.4%
38.1%
$50k – $100k
18.9%
32.9%
33.2%
$100k – $200k
12.3%
16.3%
23.7%
Over $200k
5.7%
2.4%
5.0%
Range % of households Under $10k 3.1% $10k–$15k 3.1% $15k–$25k 13.7% $25k–$35k 19.1% $35k–$50k 9.9% $50k–$75k 16.0% $75k–$100k 3.1% $100k–$150k 27.5% $200k+ 4.6% Median income $51,875
Housing
Housing overview
Metric Value Median home value $124,400 Median rent / month $783 Owner occupied 93.9% Renter occupied 6.1% Vacant 31.8% Single-family detached 50.0% Large apartment buildings 0.0% Mobile homes 47.4% Median rooms 5.1 Avg household size (owned) 2.29
Year built
Era % 2020 or later 0.0% 2010–2019 1.0% 2000–2009 23.4% 1990–1999 16.7% 1980–1989 4.2% 1970–1979 34.9% 1960–1969 2.1% 1950–1959 5.2% 1940–1949 5.2% 1939 or earlier 7.3%
Bedrooms
Size % of units No bedroom (studio) 2.6% 1 bedroom 8.3% 2 bedrooms 36.5% 3 bedrooms 48.4% 4 bedrooms 4.2% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 0.8% 1 vehicle 15.3% 2 vehicles 63.4% 3 or more 20.6%
Heating fuel
Fuel type % Utility gas 74.0% Electricity 3.1% Wood 10.7% No fuel used 9.2%
Households & families
Household type Count % Married-couple family 100 76.3% Cohabiting couple 3 2.3% Male householder, no spouse 18 13.7% Female householder, no spouse 10 7.6% Households with children under 18 23 17.6% Households with seniors (65+) 80 61.1% Average household size 2.24
Marital status
Status Male Female Never married 15.8% 10.6% Married 76.3% 76.4% Separated 0.0% 0.0% Widowed 0.0% 1.6% Divorced 7.9% 11.4%
Education
Some college, no degree
28.9%
Graduate / professional
1.2%
Metric % HS diploma or higher 91.7% Bachelor's or higher 7.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 30 81.1% High school 7 18.9% College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
16.1%
Education & healthcare
15.3%
Professional & management
11.0%
Arts, food & hospitality
8.5%
Transportation & utilities
5.9%
Finance & real estate
1.7%
Public administration
1.7%
Occupation
Category % Management, business & arts 27.1% Service 22.0% Sales & office 22.9% Natural resources & construction 16.1% Production & transportation 11.9%
Employment type
Type % Private sector 67.8% Government 4.2% Self-employed 7.6% Unpaid family workers 20.3%
Commute
Method % Drive alone 56.8% Carpool 14.4% Public transit 0.0% Walk 11.0% Work from home 17.8% Other means 0.0% Avg commute (minutes) 25.7
Poverty
Married-couple families
11.0%
Female-led households
33.3%
Income support
Source % of households Social Security 60.3% Retirement income 48.1% Supplemental Security 0.0% Cash public assistance 0.8% Food stamps / SNAP 1.5%
Health indicators
Condition % Obesity 30.2% High blood pressure 33.6% High cholesterol 31.3% Diabetes 9.4% Heart disease 7.5% Stroke 3.3% Asthma 9.7% Arthritis 23.5% Kidney disease 3.0% Pulmonary disease 7.6% Cancer 7.4%
Behavior / access % Smoking 18.1% Binge drinking 16.1% No physical activity 24.3% Less than 7 hrs sleep 29.3% Depression 17.8% Fair or poor health 13.0% Poor mental health 12.6% Poor physical health 10.2% No health insurance 14.6% Visited doctor (checkup) 68.3% Visited dentist 66.0% Cholesterol screening 90.4% Teeth loss 14.9%
Veterans & disability
Veterans Count % Civilian veterans 39 15.1%
Disability % Any disability 28.3% Under 18 22.9% 18–64 years 11.1% 65 and over 48.8%
Health insurance coverage
Type % Private insurance 44.4% Public insurance 52.2% No insurance 24.2% Uninsured under 19 34.2%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 292 99.7% Spanish 17 5.8% Other Indo-European 16 5.5% Asian & Pacific Islander 0 0.0% Other languages 1 0.3%
Place of birth & citizenship
Origin Count % Native born (US) 249 85.0% Born in same state 242 82.6% Born in different state 94 32.1% Foreign born 7 2.4% Naturalized citizen 44 15.0% Not a US citizen 40 90.9%
Ancestry
Ancestry Count % Italian 50 17.1% Arab 44 15% French 32 10.9%
Ancestry Count % Dutch 5 1.7% English 1 0.3%
Technology access
Metric % of households Computer access 44.7% Internet access 87.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 82421
What city is ZIP code 82421 in?
ZIP code 82421 is primarily assigned to Deaver, Wyoming.
What county is ZIP code 82421 in?
ZIP code 82421 falls within Big Horn County, Wyoming.
Does ZIP code 82421 have an older population?
42% of residents in ZIP code 82421 are 65 or older, above the national average of ~17%.
Does ZIP code 82421 have a large retiree population?
60% of households in ZIP code 82421 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 82421 mostly owner-occupied?
94% of occupied units in ZIP code 82421 are owner-occupied, well above the national average.
How educated is the population of ZIP code 82421?
7% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What timezone is ZIP code 82421 in?
ZIP code 82421 observes the MST timezone.
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