ZIP code
82604
Casper, WY
82604 covers Casper in Natrona County, with 27,584 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 82604. Methodology
ZIP code map of 82604

About ZIP code 82604
Acceptable cities: Mills, Moneta
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 82604. Not ACS. Methodology
People in 82604
Race
- White23,549
- Black or African American204
- American Indian or Alaska Native252
- Asian145
- Native Hawaiian and Pacific Islander32
- Other race582
- Two or more races1,775
Hispanic or Latino (any race): 2,103
Age
- Under 103,512
- 10 to 193,466
- 20 to 292,954
- 30 to 393,855
- 40 to 493,061
- 50 to 593,144
- 60 to 693,701
- 70 to 791,854
- 80 and older992
Income and housing in 82604
Education
- High school graduate93.4%
- Bachelor's degree27.0%
- Graduate degree9.8%
Places covering 82604
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Casper70.9%
- Mills8.2%
- Vista West3.5%
- Red Butte1.5%
- Bessemer Bend0.8%
- Mountain View0.3%
- Casper Mountain0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Natrona County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
14.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 82604
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 21,481 | |
| 2006 | 21,184 | |
| 2007 | 22,363 | |
| 2008 | 21,831 | |
| 2009 | 22,067 | |
| 2010 | 22,635 | |
| 2011 | 25,336 | 23,462 |
| 2012 | 25,785 | 24,570 |
| 2013 | 26,325 | 23,270 |
| 2014 | 26,465 | 23,610 |
| 2015 | 26,883 | 23,170 |
| 2016 | 27,410 | 22,230 |
| 2017 | 27,447 | 22,420 |
| 2018 | 27,148 | 22,610 |
| 2019 | 28,064 | 23,110 |
| 2020 | 28,470 | 23,080 |
| 2021 | 27,155 | 23,140 |
| 2022 | 27,492 | 23,040 |
| 2023 | 27,584 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 82604
12 nearest ZIP centroids (any distance)
- 82646Natrona5.3 miPop 0 · Income —
- 82648Powder River16.5 miPop 20 · Income —
- 82644Mills17.6 miPop 1,890 · Income $57,019
- 82601Casper21.4 miPop 26,945 · Income $68,526
- 82609Casper28.2 miPop 18,759 · Income $70,902
- 82636Evansville28.4 miPop 3,856 · Income $82,592
- 82638Hiland29.4 miPop 116 · Income —
- 82620Alcova31.7 miPop 235 · Income —
- 82643Midwest41.2 miPop 218 · Income $75,707
- 82630Arminto41.7 miPop 0 · Income —
- 82635Edgerton42.8 miPop 78 · Income $26,406
- 82637Glenrock44.4 miPop 4,178 · Income $72,130
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 82604, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 82604 FAQ
- What city is ZIP code 82604 in?
- 82604 is in Casper, WY.
- What county is 82604 in?
- 82604 is in Natrona County.
- What is the median household income in 82604?
- The median household income in 82604 is $75,683.
- Which ZIP codes are near 82604?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 82604.