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Zip Code 58011 — Buffalo, ND

58011 is a ZIP Code associated with Buffalo, ND, located within Cass. The postal region supports an estimated population of 449 residents across Data Pending housing units, with a population density of 1.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.927110, -97.544650)

Data MetricLocal Statistic
Postal / Zip Code58011
Primary CityBuffalo
State / ProvinceND
CountyCass
Total Population449
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.6 people/sq mi
TimezoneAmerica/Chicago

How 58011 Compares

MetricZIP 58011Cass CountyND State Average
Population449193,959784,123
Median IncomeData PendingN/AN/A
Population Density1.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 58071Tower City6.6 mi486N/A
Zip 58002Absaraka7.3 mi17N/A
Zip 58007Ayr7.9 mi81N/A
Zip 58079Wheatland10.1 mi504N/A
Zip 58063Oriska12.6 mi365N/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 →