82604 ZIP Code — Casper, WY

Natrona County, Wyoming

ZIP code 82604 is located in Casper, Wyoming, within Natrona County. It covers approximately 1,048.37 square miles and serves a population of 27,492 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 307.

About ZIP code 82604

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $247,800. Owner-occupancy is high at 83%, well above the national average.

Median household income is $74,111. The poverty rate of 7% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 82604 reflects a community defined by high homeownership and a significant Social Security-dependent population.

27,492

population

1,048.37

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

82604 ZIP code map

Cities in ZIP code 82604

Below are the cities the US Postal Service accepts for ZIP code 82604. Using any city not on this list may result in mail delivery delays.

City	Status
Casper	Acceptable
Casper	Preferred

Demographics updated 06/2026

Population
Total population	27,492
Population density	27,492 / sq mi
State FIPS	56
County FIPS	025

Geography
Land area	1,048.37 sq mi
Water area	5.28 sq mi
Latitude	42.9664
Longitude	-106.8071
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	38.0%	39.9%	38.1%
$50k – $100k	32.5%	32.4%	33.2%
$100k – $200k	25.3%	22.1%	23.7%
Over $200k	4.3%	5.6%	5.0%

Demographics & statistics

27,492

Population

27,492

People per sq mi

38.0

Median age

$74,111

Median household income

$37,287

Per capita income

$247,800

Median home value

$1,109

Median monthly rent

83.2%

Home ownership

7.4%

Poverty rate

3.4%

Unemployment

9,765

Housing units

26.0%

Bachelor's or higher

Age distribution

Male Female

823

Under 5

780

1,220

5–9

1,158

1,071

10–14

1,016

816

15–19

775

591

20–24

561

1,841

25–34

1,746

1,930

35–44

1,832

1,550

45–54

1,471

1,010

55–59

959

936

60–64

889

1,321

65–74

1,254

749

75–84

711

247

85+

235

← Male

Female →

Age summary

Group	Count	%
Under 18	7,146	26.0%
18 and over	20,346	74.0%
65 and over	4,517	16.4%
Median age	38.0 years

Race & ethnicity

White 88.4%

Two or more races 5.3%

Hispanic or Latino 3.4%

Other race 1.6%

American Indian / Alaska Native 0.6%

Asian 0.4%

Black or African American 0.3%

Group	Count	%
White	25,167	88.4%
Two or more races	1,501	5.3%
Hispanic or Latino	976	3.4%
Other race	450	1.6%
American Indian / Alaska Native	185	0.6%
Asian	107	0.4%
Black or African American	82	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.0%	39.9%	38.1%
$50k – $100k	32.5%	32.4%	33.2%
$100k – $200k	25.3%	22.1%	23.7%
Over $200k	4.3%	5.6%	5.0%

Under $10k 3.8%

$10k–$15k 1.8%

$15k–$25k 6.0%

$25k–$35k 6.5%

$35k–$50k 11.2%

$50k–$75k 21.2%

$75k–$100k 13.2%

$100k–$150k 20.5%

$150k–$200k 9.4%

$200k+ 6.3%

Range	% of households
Under $10k	3.8%
$10k–$15k	1.8%
$15k–$25k	6.0%
$25k–$35k	6.5%
$35k–$50k	11.2%
$50k–$75k	21.2%
$75k–$100k	13.2%
$100k–$150k	20.5%
$150k–$200k	9.4%
$200k+	6.3%
Median income	$74,111

Housing

Home values

Under $50k 6.5%

$50k–$100k 1.5%

$100k–$150k 7.6%

$150k–$200k 17.8%

$200k–$300k 28.1%

$300k–$500k 31.3%

$500k–$1M 5.1%

$1M+ 2.1%

Housing overview

Metric	Value
Median home value	$247,800
Median rent / month	$1,109
Owner occupied	83.2%
Renter occupied	16.8%
Vacant	6.8%
Single-family detached	81.7%
Large apartment buildings	3.7%
Mobile homes	9.0%
Median rooms	6.3
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	0.2%
2010–2019	10.8%
2000–2009	11.6%
1990–1999	5.3%
1980–1989	15.0%
1970–1979	19.7%
1960–1969	8.7%
1950–1959	21.7%
1940–1949	3.1%
1939 or earlier	3.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	4.2%
2 bedrooms	15.4%
3 bedrooms	47.0%
4 bedrooms	21.5%
5+ bedrooms	11.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	26.0%
2 vehicles	37.5%
3 or more	33.0%

Heating fuel

Fuel type	%
Utility gas	74.3%
Electricity	17.3%
Propane / LP gas	3.7%
Wood	2.9%
Solar	0.1%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	5,928	55.0%
Cohabiting couple	611	5.7%
Male householder, no spouse	1,955	18.1%
Female householder, no spouse	2,293	21.3%
Households with children under 18	3,498	32.4%
Households with seniors (65+)	3,249	30.1%
Average household size	2.51

Marital status

Status	Male	Female
Never married	29.4%	20.3%
Married	55.9%	56.8%
Separated	0.3%	1.7%
Widowed	2.9%	7.4%
Divorced	11.5%	13.8%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.7%

HS graduate 28.1%

Some college, no degree 27.3%

Associate's degree 13.0%

Bachelor's degree 17.1%

Graduate / professional 8.8%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	26.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	478	7.0%
Kindergarten	436	6.4%
Elementary school	3,378	49.6%
High school	1,439	21.1%
College / grad school	1,081	15.9%

Employment

Industry of employment

Education & healthcare 27.1%

Retail trade 10.6%

Agriculture & mining 8.5%

Construction 7.5%

Professional & management 7.5%

Public administration 7.2%

Transportation & utilities 6.7%

Arts, food & hospitality 6.2%

Other services 4.8%

Manufacturing 4.7%

Finance & real estate 4.1%

Wholesale trade 3.3%

Information 1.8%

Occupation

Category	%
Management, business & arts	42.1%
Service	17.2%
Sales & office	17.6%
Natural resources & construction	11.3%
Production & transportation	11.8%

Employment type

Type	%
Private sector	74.2%
Government	19.5%
Self-employed	6.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	81.8%
Carpool	8.9%
Public transit	0.2%
Walk	0.9%
Work from home	6.8%
Other means	1.4%
Avg commute (minutes)	19.1

Poverty

All people 7.4%

Under 18 years 11.3%

18 and over 6.1%

Married-couple families 1.4%

Female-led households 26.1%

Income support

Source	% of households
Social Security	32.0%
Retirement income	25.5%
Supplemental Security	3.3%
Cash public assistance	1.7%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	33.7%
High blood pressure	30.6%
High cholesterol	30.3%
Diabetes	7.7%
Heart disease	5.9%
Stroke	2.7%
Asthma	9.7%
Arthritis	22.0%
Kidney disease	2.6%
Pulmonary disease	6.7%
Cancer	6.9%

Behavior / access	%
Smoking	20.6%
Binge drinking	17.2%
No physical activity	25.1%
Less than 7 hrs sleep	33.5%
Depression	20.4%
Fair or poor health	12.6%
Poor mental health	13.2%
Poor physical health	9.5%
No health insurance	15.4%
Visited doctor (checkup)	68.1%
Visited dentist	65.1%
Cholesterol screening	88.5%
Teeth loss	16.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,818	8.9%

Disability	%
Any disability	13.7%
Under 18	3.2%
18–64 years	11.8%
65 and over	37.4%

Health insurance coverage

Type	%
Private insurance	76.5%
Public insurance	26.1%
No insurance	10.6%
Uninsured under 19	5.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,889	94.2%
Spanish	461	1.8%
Other Indo-European	360	1.4%
Asian & Pacific Islander	29	0.1%
Other languages	72	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	26,852	97.7%
Born in same state	26,657	97.0%
Born in different state	14,265	51.9%
Foreign born	195	0.7%
Naturalized citizen	640	2.3%
Not a US citizen	298	46.6%

Ancestry

Ancestry	Count	%
Italian	3,206	11.7%
French	3,199	11.6%
Arab	884	3.2%
Polish	847	3.1%
English	318	1.2%

Ancestry	Count	%
Dutch	166	0.6%
German	157	0.6%
Norwegian	57	0.2%
Irish	10	0%

Technology access

Metric	% of households
Computer access	39.2%
Internet access	94.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 82604

What city is ZIP code 82604 in?

ZIP code 82604 is primarily assigned to Casper, Wyoming.

What county is ZIP code 82604 in?

ZIP code 82604 falls within Natrona County, Wyoming.

Is ZIP code 82604 mostly owner-occupied?

83% of occupied units in ZIP code 82604 are owner-occupied, well above the national average.

What is the population of ZIP code 82604?

ZIP code 82604 has an estimated population of 27,492 residents, with a density of 26 people per square mile.

What is the median household income in ZIP code 82604?

The median household income in ZIP code 82604 is $74,111, below the national median of ~$75,000.

What is the typical home value in ZIP code 82604?

The median home value in ZIP code 82604 is $247,800.

What timezone is ZIP code 82604 in?

ZIP code 82604 observes the MST timezone.