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Zip Code 82834 — Buffalo, WY

ZIP Code 82834 is associated with Buffalo, WY, in Johnson County. The listed population estimate is 7,588; estimated density is 1.7 people per square mile. Among records with population estimates, it ranks #1 of 3 in Johnson County and #23 of 172 in WY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.253860, -106.744810)

Data MetricLocal Statistic
Postal / Zip Code82834
Primary CityBuffalo
State / ProvinceWY
CountyJohnson
Total Population7,588
Population Density1.7 people/sq mi
TimezoneAmerica/Denver

How 82834 Compares

MetricZIP 82834Johnson County recordsWY records
Population estimate7,5888,545 (sum)582,289 (sum)
Population Density1.7 /sq mi----
County population rank#1 of 3----
State population rank#23 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 82832Banner23.5 mi1,386
ZIP 82842Story24.0 mi567
ZIP 82833Big Horn31.4 mi247
ZIP 82845Wyarno35.3 mi55
ZIP 82639Kaycee35.9 mi782

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 →