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ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2021

ZIP Codes for City of Frederick, CO

Frederick, CO Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 80504StandardWeld46,876720 / 303
ZIP Code 80516StandardBoulder20,254303
ZIP Code 80530StandardWeld3,790720 / 303

Timezone(s):Mountain (GMT -07:00)
Counties:BOULDER, CO
Population:8,679 (More Details)
Male Population:4,369
Female Population:4,310
Median Age:34
ZIP Codes:3
Area Codes:2
Total Area:4,017 square miles (county)
Land Area:3,987 square miles (county)
Water Area:30 square miles (county)

Frederick, CO Demographic Information *

Total population8,679
Male population4,369
Female population4,310
Median age (years)34.2
White Population7,747
Black Population47
Indian Population34
Asian Population181
Hawaiian Population1
Hispanic Population1,222
Median age (Male)34
Median age (Female)34.4
Total households2,950
Family households (families)2,366
Average household size2.94
Average family size3.27
Total housing units3,070
* Demographic data is based on 2010 Census.

Frederick, CO Other Information

62 Cities within 30 miles of Frederick, CO Products


  1. U.S. Postal Service [Last Updated: 9/1/2021],
  2. Internal Data Creation [Last Updated: 9/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],