Residential delivery area · Wyoming
ZIP Code 82604: Casper, WY
ZIP code 82604 uses the postal name Casper, Wyoming and lies entirely in Natrona County (Census 2020 ZIP-county file). About 27,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Casper's 3 residential ZIP codes. Median household income is $79,118 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Vista West (under 1%), Mountain View (under 1%), Bessemer Bend (under 1%), Mills (under 1%) and Red Butte (0%), and under 1% in smaller places; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Casper · 3 residential ZIPs
- County
- Natrona County
- Census places
- Vista West (under 1%) census-designated place; Mountain View (under 1%) census-designated place; Bessemer Bend (under 1%) census-designated place; Mills (under 1%)
- Metro area
- Casper, WY
- House district
- WY at large 119th Congress
- State
- Wyoming
- Time zone
- Mountain
- Land area
- 1,048.4 sq mi · 26 people per sq mi
Where is ZIP code 82604?
82604 centers on 42.915°, -106.707° and covers 1,048.4 square miles of land plus 5.3 of water. It borders 6 ZIP codes: 82646, 82648, 82644, 82601, 82620, 82639.
The map draws ZIP code areas only. For the streets inside 82604, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 82604 compare with the rest of Casper?
| Measure | 82604 | In Casper | In Natrona County | In WY |
|---|---|---|---|---|
| People (ACS 2020-2024) | 27,487 | 1st of 3 | 1st of 14 | 3rd of 179 |
| Median household income | $79k | 1st of 3 | 2nd of 4 | 16th of 43 |
| Median home value | $289k | 2nd of 3 | 3rd of 5 | 29th of 55 |
Its median household income is higher than in 61% of U.S. residential ZIP codes, and it is denser than 31% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 82604?
The 2020 Census counted 26,539 people in 82604; the ACS, which samples households over 2020-2024, estimates 27,487. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 27,487
- 2020 Census count
- 26,539
- Households
- 11,015
- Median age
- 38.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 82604?
Of the 27,487 people the ACS estimates in 82604, 26.1% are under 18 and 17.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.5%).
- Under 1826.1%
- 18 to 6456.0%
- 65 and older17.8%
- White, not Hispanic85.5%
- Hispanic or Latino7.4%
- Other or two or more6.2%
- Black, not Hispanic0.6%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 82604 earn?
Median household income is $79,118 (ACS 2020-2024), the 2nd highest of the 4 ranked ZIP codes in Natrona County.
- Median household income
- $79,118
- Income per person
- $39,524
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 3.4%
- Adults 25+ with a bachelor's degree
- 27.4%
- Adjusted gross income per tax return, 2022
- $82,23611,980 returns; wages 65% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 82604?
FHFA's house price index for 82604, built from repeat sales and appraisals of the same homes, rose 48% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +3.4% in 2025.
- Median home value (owners' estimate)
- $288,900
- Median gross rent
- $1,160
- Homes owned by their occupants
- 83.3%
- Housing units
- 11,521
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 82604?
689 business establishments had a location in this ZIP code in 2023, 19 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction109
- Professional, scientific, and technical services77
- Retail trade74
- Wholesale trade57
- Other services (except public administration)53
- Transportation and warehousing43
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 82604?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 82646 | Natrona | 0 | – | 5.3 mi |
| 82648 | Powder River | 24 | – | 16.5 mi |
| 82644 | Mills | 2,098 | $54k | 17.6 mi |
| 82601 | Casper | 26,721 | $68k | 21.4 mi |
| 82620 | Alcova | 164 | – | 31.7 mi |
| 82639 | Kaycee | 782 | $72k | 56.9 mi |
| 82609 | Casper | 18,714 | $71k | 28.2 mi (near) |
| 82636 | Evansville | 4,259 | $87k | 28.4 mi (near) |
| 82638 | Hiland | 116 | – | 29.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.