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Wyoming ZIP Codes
Big Horn County
Cowley, WY
82420
82420 ZIP Code — Cowley, WY
Big Horn County, Wyoming
ZIP code 82420 is located in
Cowley ,
Wyoming ,
within Big Horn County .
It covers approximately 53.25 square miles and serves a population of
753 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 307 .
About ZIP code 82420
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $187,500. Owner-occupancy is high at 91%, well above the national average.
Median household income is $72,589. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with construction as the leading industry. The average commute of 14 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
Overall, ZIP code 82420 reflects a community defined by high homeownership and a significant Social Security-dependent population.
82420 ZIP code map
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Cities in ZIP code 82420
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Demographics
updated 06/2026
Population
Total population
753
Population density
14 / sq mi
State FIPS
56
County FIPS
003
Geography
Land area
53.25 sq mi
Water area
0.02 sq mi
Latitude
44.9251
Longitude
-108.4365
Timezone
Mountain (MT)
Area code
307
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.0%
48.4%
38.1%
$50k – $100k
42.1%
32.9%
33.2%
$100k – $200k
14.9%
16.3%
23.7%
Over $200k
5.0%
2.4%
5.0%
Demographics & statistics
$72,589
Median household income
$187,500
Median home value
$1,069
Median monthly rent
33.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 247 32.8%
18 and over 506 67.2%
65 and over 132 17.5%
Median age 31.7 years
Race & ethnicity
Black or African American
4.8%
American Indian / Alaska Native
1.3%
Group Count %
White 642 81.3%
Black or African American 38 4.8%
Hispanic or Latino 37 4.7%
Two or more races 36 4.6%
Asian 23 2.9%
American Indian / Alaska Native 10 1.3%
Other race 4 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.0%
48.4%
38.1%
$50k – $100k
42.1%
32.9%
33.2%
$100k – $200k
14.9%
16.3%
23.7%
Over $200k
5.0%
2.4%
5.0%
Range % of households
Under $10k 3.5%
$10k–$15k 1.3%
$15k–$25k 4.8%
$25k–$35k 1.3%
$35k–$50k 4.8%
$50k–$75k 40.2%
$75k–$100k 14.8%
$100k–$150k 23.6%
$150k–$200k 1.7%
$200k+ 3.9%
Median income $72,589
Housing
Housing overview
Metric Value
Median home value $187,500
Median rent / month $1,069
Owner occupied 90.8%
Renter occupied 9.2%
Vacant 10.9%
Single-family detached 79.0%
Large apartment buildings 0.0%
Mobile homes 20.2%
Median rooms 6.9
Avg household size (owned) 2.99
Year built
Era %
2020 or later 0.0%
2010–2019 4.7%
2000–2009 14.4%
1990–1999 20.2%
1980–1989 7.0%
1970–1979 23.7%
1960–1969 5.1%
1950–1959 1.9%
1940–1949 0.0%
1939 or earlier 23.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 16.0%
3 bedrooms 47.5%
4 bedrooms 21.4%
5+ bedrooms 15.2%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 18.3%
2 vehicles 29.7%
3 or more 52.0%
Heating fuel
Fuel type %
Utility gas 75.1%
Electricity 16.6%
Propane / LP gas 1.3%
Wood 7.0%
Households & families
Household type Count %
Married-couple family 195 85.2%
Cohabiting couple 0 0.0%
Male householder, no spouse 4 1.7%
Female householder, no spouse 30 13.1%
Households with children under 18 105 45.9%
Households with seniors (65+) 82 35.8%
Average household size 3.29
Marital status
Status Male Female
Never married 14.7% 19.3%
Married 83.7% 72.0%
Separated 0.0% 0.0%
Widowed 0.0% 7.0%
Divorced 1.6% 1.7%
Education
Some college, no degree
37.9%
Graduate / professional
10.2%
Metric %
HS diploma or higher 94.1%
Bachelor's or higher 33.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 46 18.7%
Kindergarten 5 2.0%
Elementary school 77 31.3%
High school 54 22.0%
College / grad school 64 26.0%
Employment
Industry of employment
Education & healthcare
19.0%
Professional & management
15.1%
Agriculture & mining
10.2%
Arts, food & hospitality
8.2%
Finance & real estate
3.3%
Public administration
3.3%
Transportation & utilities
3.0%
Occupation
Category %
Management, business & arts 44.3%
Service 6.9%
Sales & office 20.3%
Natural resources & construction 16.7%
Production & transportation 11.8%
Employment type
Type %
Private sector 74.8%
Government 16.4%
Self-employed 8.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 88.8%
Carpool 5.8%
Public transit 0.0%
Walk 3.4%
Work from home 2.0%
Other means 0.0%
Avg commute (minutes) 13.8
Poverty
Married-couple families
4.1%
Female-led households
57.1%
Income support
Source % of households
Social Security 35.4%
Retirement income 34.9%
Supplemental Security 2.2%
Cash public assistance 2.2%
Food stamps / SNAP 3.1%
Health indicators
Condition %
Obesity 29.7%
High blood pressure 33.2%
High cholesterol 30.3%
Diabetes 9.2%
Heart disease 7.2%
Stroke 3.3%
Asthma 10.0%
Arthritis 22.8%
Kidney disease 3.0%
Pulmonary disease 7.7%
Cancer 7.2%
Behavior / access %
Smoking 18.8%
Binge drinking 16.4%
No physical activity 25.1%
Less than 7 hrs sleep 28.8%
Depression 18.3%
Fair or poor health 13.3%
Poor mental health 13.2%
Poor physical health 10.3%
No health insurance 15.5%
Visited doctor (checkup) 67.3%
Visited dentist 63.7%
Cholesterol screening 89.1%
Teeth loss 15.8%
Veterans & disability
Veterans Count %
Civilian veterans 18 3.6%
Disability %
Any disability 10.6%
Under 18 0.8%
18–64 years 10.4%
65 and over 29.5%
Health insurance coverage
Type %
Private insurance 68.5%
Public insurance 36.8%
No insurance 9.4%
Uninsured under 19 3.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 683 90.7%
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) 723 96.0%
Born in same state 723 96.0%
Born in different state 436 57.9%
Foreign born 0 0.0%
Naturalized citizen 30 4.0%
Not a US citizen 7 23.3%
Ancestry
Ancestry Count %
French 169 22.4%
Italian 70 9.3%
Dutch 28 3.7%
Ancestry Count %
Polish 18 2.4%
English 10 1.3%
Technology access
Metric % of households
Computer access 30.4%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 82420
What city is ZIP code 82420 in?
ZIP code 82420 is primarily assigned to Cowley, Wyoming.
What county is ZIP code 82420 in?
ZIP code 82420 falls within Big Horn County, Wyoming.
Is ZIP code 82420 family-oriented?
33% of residents in ZIP code 82420 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 82420 mostly owner-occupied?
91% of occupied units in ZIP code 82420 are owner-occupied, well above the national average.
Does ZIP code 82420 have a large retiree population?
35% of households in ZIP code 82420 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 82420?
The median home value in ZIP code 82420 is $187,500.
What timezone is ZIP code 82420 in?
ZIP code 82420 observes the MST timezone.
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