Home > WY > Natrona County > Casper > Zip 82604

Zip Code 82604 — Casper, WY

82604 is a ZIP Code associated with Casper, WY, located within Natrona. The postal region supports an estimated population of 27,487 residents across Data Pending housing units, with a population density of 10.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.917510, -106.708400)

Data MetricLocal Statistic
Postal / Zip Code82604
Primary CityCasper
State / ProvinceWY
CountyNatrona
Total Population27,487
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density10.1 people/sq mi
TimezoneAmerica/Denver

How 82604 Compares

MetricZIP 82604Natrona CountyWY State Average
Population27,48779,937582,289
Median IncomeData PendingN/AN/A
Population Density10.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 82646Natrona5.4 miN/AN/A
Zip 82644Mills17.7 mi2,098N/A
Zip 82601Casper21.0 mi26,721N/A
Zip 82648Powder River23.2 mi24N/A
Zip 82609Casper28.0 mi18,714N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →