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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Norwalk, CT

Norwalk, CT Covers 10 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 06850StandardFairfield18,078203 / 475
ZIP Code 06851StandardFairfield26,703203
ZIP Code 06852P.O. BoxFairfield0203 / 475
ZIP Code 06853StandardFairfield3,646475 / 203
ZIP Code 06854StandardFairfield29,100203 / 475
ZIP Code 06855StandardFairfield7,892203 / 475
ZIP Code 06856P.O. BoxFairfield3203 / 475
ZIP Code 06857UniqueFairfield0203 / 475
ZIP Code 06858UniqueFairfield0203 / 475
ZIP Code 06860UniqueFairfield0203 / 475

Timezone(s):Eastern (GMT -05:00)
Population:85,603 (More Details)
Male Population:41,977
Female Population:43,626
Median Age:38
ZIP Codes:10
Area Codes:2
Total Area:837 square miles (county)
Land Area:625 square miles (county)
Water Area:212 square miles (county)

Norwalk, CT Demographic Information *

Total population85,603
Male population41,977
Female population43,626
Median age (years)38.2
White Population58,826
Black Population12,187
Indian Population328
Asian Population4,098
Hawaiian Population55
Hispanic Population20,770
Median age (Male)36.7
Median age (Female)39.6
Total households33,217
Family households (families)21,156
Average household size2.55
Average family size3.16
Total housing units35,415
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],