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ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2021

ZIP Codes for City of Colchester, CT

Colchester, CT Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 06415StandardNew London16,857860 / 959
ZIP Code 06420StandardNew London4,182860 / 959

Timezone(s):Eastern (GMT -05:00)
Population:4,781 (More Details)
Male Population:2,258
Female Population:2,523
Median Age:41
ZIP Codes:2
Area Codes:2
Total Area:772 square miles (county)
Land Area:665 square miles (county)
Water Area:107 square miles (county)

Colchester, CT Demographic Information *

Total population4,781
Male population2,258
Female population2,523
Median age (years)41.3
White Population4,349
Black Population134
Indian Population33
Asian Population104
Hawaiian Population1
Hispanic Population217
Median age (Male)38.5
Median age (Female)43.8
Total households1,981
Family households (families)1,232
Average household size2.32
Average family size2.91
Total housing units2,093
* Demographic data is based on 2010 Census.

Colchester, CT Other Information

178 Cities within 30 miles of Colchester, CT 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],