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City Profile

Longmont, Colorado

Population: 98,885 · 4 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
98,885
People
Median age
40.3
Housing
Total households
42,155
Income
Median household income
$90,671
Housing
Total housing units
43,528
Employment
Employment rate
65.2%
Education
Bachelor’s degree or higher
47%
Healthcare
Insured population
92.8%
City details
Local time 23:52:12(MT)
LocationLongmont, CO
Population (ZIP areas)138,868(sum of local ZIP code populations)
Total ZIP codes4total
ZIP codes (by type)
3 Standard1 PO Box
CountyBoulder
Area code
TimezoneMountain Time (MT)
Coordinates40.16714475232844, -105.11737839524672
Land area198.9 sq miles(515,251,648 m²)

Map of Longmont, Colorado with ZIP codes

Map of Longmont, Colorado and ZIP codes

ZIP Codes in Longmont

Explore the ZIP codes that make up Longmont. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
80501Standard$80,91142,822
80502PO BOX
80503Standard$113,62035,863
80504Standard$113,64360,183

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Longmont, CO.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS