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    Zip Code 82604

    Casper, Wyoming — Natrona County

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    📍 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

    Population

    27,584

    Median Income

    $75,683

    Median Home Value

    $270,800

    Timezone

    Mountain (MST/MDT)

    Area Code

    307

    Elevation

    5777 ft

    Land Area

    1846.4 sq mi

    Median Age

    38.4

    Housing Units

    11,589

    Compare With Nearby Zip Codes

    Metric826048264482601
    CityCasper, WYMills, WYCasper, WY
    Population27,5841,89026,945
    Median Income$75,683$57,019$68,526
    Home Value$270,800$167,900$244,200
    Cost of Living936687
    Median Age38.438.338

    Cost of Living

    Cost of Living Index93

    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

    white87%
    black1%
    hispanic7%
    asian0%
    other5%

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

    Population History

    Casper (82604) population trend from 2010 to 2024

    ↑ 17.4%
    2010201220142016201820202022202421k24k26k31k

    Source: U.S. Census Bureau estimates and American Community Survey data.

    Climate & Weather

    Summer High

    89°F

    Winter Low

    15°F

    Annual Rainfall

    12 in

    Annual Snowfall

    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.

    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

    42.8576, -106.7708Open in Google Maps →

    Nearby Zip Codes

    Zip codes closest to 82604 (Casper, WY) with distances:

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    All Zip Codes in Casper, WY

    Other zip codes serving Casper:

    View all Casper zip codes →

    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.

    Explore Wyoming

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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.

    People Also Searched For

    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.

    Methodology