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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Marlborough, CT

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Area Code(s):860
Timezone(s):Eastern (GMT -05:00)
City Population:6,404 (More Details)
CBSA:Hartford-East Hartford-Middletown, CT
Congressional District(s):02
Land Area:735 square miles (county)
Water Area:16 square miles (county)

1 ZIP Code

Marlborough, CT ZIP Code Boundaries

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Marlborough, CT Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Marlborough, CT Demographic Information *

There is no Census data for the city of MARLBOROUGH, CT. We have pulled information for the ZIP Code 06447 instead.
Total population**6,404
Male population3,152
Female population3,252
Median age (years)43
White Population6,102
Black Population85
Indian Population7
Asian Population103
Hawaiian Population5
Hispanic Population181
Median age (Male)42.7
Median age (Female)43.3
Total households2,292
Family households (families)1,820
Average household size2.75
Average family size3.09
Total housing units2,389
* Demographic data is based on 2010 Census for the City of MARLBOROUGH.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],