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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022


MIDDLESEX County, CT Covers 23 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 06409GeneralCenterbrook693Eastern860
ZIP Code 06412GeneralChester3,994Eastern860
ZIP Code 06413GeneralClinton13,235Eastern860/959
ZIP Code 06414P.O. BoxCobalt214Eastern860
ZIP Code 06416GeneralCromwell14,005Eastern860
ZIP Code 06417GeneralDeep River4,629Eastern860/959
ZIP Code 06419GeneralKillingworth6,525Eastern860/959
ZIP Code 06422GeneralDurham7,388Eastern860
ZIP Code 06423GeneralEast Haddam5,097Eastern860/959
ZIP Code 06424GeneralEast Hampton12,808Eastern860
ZIP Code 06426GeneralEssex3,245Eastern860/959
ZIP Code 06438GeneralHaddam2,550Eastern860/959
ZIP Code 06441GeneralHigganum5,438Eastern860/959
ZIP Code 06442GeneralIvoryton2,745Eastern860/959
ZIP Code 06455GeneralMiddlefield3,148Eastern860
ZIP Code 06456P.O. BoxMiddle Haddam295Eastern860
ZIP Code 06457GeneralMiddletown47,648Eastern860
ZIP Code 06459UniqueMiddletown0Eastern860
ZIP Code 06469GeneralMoodus3,209Eastern860/959
ZIP Code 06475GeneralOld Saybrook10,242Eastern860
ZIP Code 06480GeneralPortland9,508Eastern860
ZIP Code 06481GeneralRockfall1,277Eastern860
ZIP Code 06498GeneralWestbrook6,963Eastern860/959

Population:165,676 (More Details)
Male Population:80,908
Female Population:84,768
Median Age:43
ZIP Codes:23
Area Codes:0
Total Area:439 square miles (county)
Land Area:369 square miles (county)
Water Area:70 square miles (county)

MIDDLESEX, CT Demographic Information

* Demographic data is based on 2010 Census.

Total population of MIDDLESEX County, CT165,676
Male population of MIDDLESEX County, CT80,908
Female population of MIDDLESEX County, CT84,768
Median age (years)43.1
White Population147,823
Black Population7,727
Indian Population253
Asian Population4,247
Hawaiian Population58
Hispanic Population7,834
Median age (Male)41.9
Median age (Female)44.1
Total households67,202
Family households (families)43,743
Average household size for MIDDLESEX County, CT2.39
Average family size of MIDDLESEX County, CT2.95
Total housing units for MIDDLESEX County, CT74,837

MIDDLESEX County, CT Covers 22 Cities