Zip Code 80027 — Louisville, CO

80027 is a ZIP Code associated with Louisville, CO, located within Boulder. The postal region supports an estimated population of 34,127 residents across Data Pending housing units, with a population density of 707.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.950800, -105.163540)

Data MetricLocal Statistic
Postal / Zip Code80027
Primary CityLouisville
State / ProvinceCO
CountyBoulder
Total Population34,127
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density707.4 people/sq mi
TimezoneAmerica/Denver

How 80027 Compares

MetricZIP 80027Boulder CountyCO State Average
Population34,127285,7865,862,421
Median IncomeData PendingN/AN/A
Population Density707.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 80303Boulder3.0 mi24,996N/A
Zip 80305Boulder4.9 mi16,291N/A
Zip 80021Broomfield4.9 mi36,555N/A
Zip 80020Broomfield4.9 mi54,201N/A
Zip 80026Lafayette5.4 mi32,701N/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 →