Zip Code 82604
Casper, Wyoming — Natrona County
📍 ZIP code 82604 is in Casper, Natrona County, Wyoming.
ZIP code 82604 is located in Casper, Natrona County, Wyoming. It is a zip code in the Mountain (MST/MDT) Time Zone with an estimated population of 27,584. The area code for ZIP code 82604 is 307.
Quick Answer
Zip code 82604 is in Casper, Wyoming (Natrona County). It has a population of 27,584, median household income of $75,683, and median home value of $270,800.
Population
27,584
Income
$75,683
Home Value
$270,800
Climate
89°F / 15°F
About Zip Code 82604
Zip code 82604 is located in Casper, Wyoming, within Natrona County. Home to approximately 27,584 residents, this area sits at an elevation of 5777 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 307.
The median household income is $75,683 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $270,800, and the cost of living index is 93 (7% below the national average of 100).
Summers average a high of 89°F while winters drop to 15°F. The area receives about 12 in of rain and 72 in of snow annually. The zip code covers 1846.4 square miles of land area and 7 square miles of water.
Key Statistics
27,584
$75,683
$270,800
Mountain (MST/MDT)
307
5777 ft
1846.4 sq mi
38.4
11,589
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Compare With Nearby Zip Codes
Cost of Living
100 = National Average. Casper's cost of living is 7% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.6x
Demographics
Zip code 82604 has a population of 27,584 people with a median age of 38.4. There are 11,589 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Casper (82604) population trend from 2010 to 2024
↑ 17.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
15°F
12 in
72 in
Casper experiences warm summers with average highs around 89°F. Winters are cold with lows averaging 15°F. With 72 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$270,800
Median Household Income
$75,683
With 11,589 housing units across 1846.4 square miles, 82604 has a housing density of 6 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
42.8576°
Longitude
-106.7708°
Land Area
1846.4 sq mi
Water Area
7 sq mi
Nearby Zip Codes
Zip codes closest to 82604 (Casper, WY) with distances:
All Zip Codes in Casper, WY
Other zip codes serving Casper:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 82604's $75,683. A way to compare Casper to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 82604 (Casper, WY). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Casper, Wyoming?
Casper, Wyoming uses zip code 82604 along with 3 other zip codes.
What county is zip code 82604 in?
Zip code 82604 is located in Natrona County, Wyoming.
What is the population of zip code 82604?
The population of zip code 82604 is 27,584 with a median age of 38.4.
Is 82604 in Casper, Wyoming?
Yes, zip code 82604 is in Casper, Natrona County, Wyoming. The area code is 307.
Frequently Asked Questions
What city is zip code 82604 in?
Zip code 82604 is in Casper, Wyoming. It is part of Natrona County and uses the Mountain (MST/MDT) timezone.
What is zip code 82604?
Zip code 82604 is a U.S. postal code in Casper, Wyoming (Natrona County). It has a population of 27,584 and covers 1846.4 square miles.
What is the population of zip code 82604?
The population of zip code 82604 (Casper, WY) is 27,584 with a median age of 38.4. There are approximately 11,589 housing units in this area.
What is the median income in zip code 82604?
The median household income in zip code 82604 (Casper, WY) is $75,683 per year. The cost of living index is 93 (100 = national average).
What is the average home price in zip code 82604?
The median home value in zip code 82604 (Casper, WY) is $270,800. The cost of living index is 93 compared to the national average of 100.
What county is zip code 82604 in?
Zip code 82604 is located in Natrona County, Wyoming. The primary city is Casper.
What is the area code for zip code 82604?
Zip code 82604 in Casper, WY uses area code 307. It is located in the Mountain (MST/MDT) timezone.
Is zip code 82604 a good place to live?
Zip code 82604 (Casper, WY) has a cost of living index of 93 (100 = national average), a median household income of $75,683, and median home values of $270,800. The median age is 38.4. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 82604?
The cost of living index for zip code 82604 (Casper, WY) is 93, where 100 represents the national average. This area is below the national average. Median home value: $270,800.
What schools serve zip code 82604?
Zip code 82604 in Casper, Wyoming is served by the local school district of Natrona County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.