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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2022

ZIP Codes for City of Jefferson, CO

Jefferson, CO Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 80456StandardPark620719

Timezone(s):Mountain (GMT -07:00)
Counties:PARK, CO
Population:620 (More Details)
Male Population:329
Female Population:291
Median Age:55
ZIP Codes:1
Area Codes:1
Total Area:2,211 square miles (county)
Land Area:2,194 square miles (county)
Water Area:17 square miles (county)

Jefferson, CO Demographic Information *

There is no Census data for the city of JEFFERSON, CO. We have pulled information for the ZIP Code 80456 instead.
Total population620
Male population329
Female population291
Median age (years)54.6
White Population602
Black Population1
Indian Population5
Asian Population3
Hawaiian Population0
Hispanic Population28
Median age (Male)55.1
Median age (Female)54.1
Total households324
Family households (families)202
Average household size1.91
Average family size2.32
Total housing units1,343
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 6/1/2022],
  2. Internal Data Creation [Last Updated: 6/1/2022],
  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],