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Zip Code 80501 — Longmont, CO

80501 is a ZIP Code associated with Longmont, CO, located within Boulder. The postal region supports an estimated population of 44,147 residents across Data Pending housing units, with a population density of 1,350.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.164790, -105.102080)

Data MetricLocal Statistic
Postal / Zip Code80501
Primary CityLongmont
State / ProvinceCO
CountyBoulder
Total Population44,147
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,350.9 people/sq mi
TimezoneAmerica/Denver

How 80501 Compares

MetricZIP 80501Boulder CountyCO State Average
Population44,147285,7865,862,421
Median IncomeData PendingN/AN/A
Population Density1,350.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 80504Longmont3.8 mi63,451N/A
Zip 80503Longmont5.6 mi35,846N/A
Zip 80544Niwot5.6 miN/AN/A
Zip 80542Mead7.3 mi5,155N/A
Zip 80516Erie8.9 mi39,048N/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 →