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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of New Canaan, CT

New Canaan, CT Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 06840StandardFairfield19,738203 / 475

Timezone(s):Eastern (GMT -05:00)
Population:19,738 (More Details)
Male Population:9,490
Female Population:10,248
Median Age:43
ZIP Codes:1
Area Codes:2
Total Area:837 square miles (county)
Land Area:625 square miles (county)
Water Area:212 square miles (county)

New Canaan, CT Demographic Information *

There is no Census data for the city of NEW CANAAN, CT. We have pulled information for the ZIP Code 06840 instead.
Total population19,738
Male population9,490
Female population10,248
Median age (years)43
White Population18,481
Black Population197
Indian Population30
Asian Population663
Hawaiian Population3
Hispanic Population570
Median age (Male)42.1
Median age (Female)43.7
Total households7,010
Family households (families)5,400
Average household size2.81
Average family size3.28
Total housing units7,551
* Demographic data is based on 2010 Census.

New Canaan, CT Other Information

364 Cities within 30 miles of New Canaan, CT Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],