Home > WY > Natrona County > Casper > Zip 82601

Zip Code 82601 — Casper, WY

ZIP Code 82601 is associated with Casper, WY, in Natrona County. The listed population estimate is 26,721; estimated density is 21.5 people per square mile. Among records with population estimates, it ranks #2 of 10 in Natrona County and #5 of 172 in WY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.065500, -106.346180)

Data MetricLocal Statistic
Postal / Zip Code82601
Primary CityCasper
State / ProvinceWY
CountyNatrona
Total Population26,721
Population Density21.5 people/sq mi
TimezoneAmerica/Denver

How 82601 Compares

MetricZIP 82601Natrona County recordsWY records
Population estimate26,72179,937 (sum)582,289 (sum)
Population Density21.5 /sq mi----
County population rank#2 of 10----
State population rank#5 of 172----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WY

ZIP CodeCityDistancePopulation estimate
ZIP 82644Mills15.4 mi2,098
ZIP 82636Evansville19.0 mi4,259
ZIP 82604Casper21.0 mi27,487
ZIP 82609Casper21.4 mi18,714
ZIP 82646Natrona23.8 miN/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 →