Data Last Updated: March 1, 2023

ZIP Codes for City of Darien, CT


    
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Counties:	FAIRFIELD, CT
Area Code(s):	203, 475
Timezone(s):	Eastern (GMT -05:00)
City Population:	20,732 (More Details)
CBSA:	Bridgeport-Stamford-Norwalk, CT
Congressional District(s):	04
Land Area:	625 square miles (county)
Water Area:	212 square miles (county)

1 ZIP Code

Darien, CT ZIP Code Boundaries

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Darien, CT Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
06820	Standard	20,732	100.00%	NOROTON, NOROTON HEIGHTS, TOKENEKE

Darien, CT Demographic Information *

Total population**	20,732
Male population	10,220
Female population	10,512
Median age (years)	39.1
White Population	19,508
Black Population	104
Indian Population	20
Asian Population	744
Hawaiian Population	5
Hispanic Population	743
Median age (Male)	37.7
Median age (Female)	40.1
Total households	6,698
Family households (families)	5,503
Average household size	3.09
Average family size	3.48
Total housing units	7,074

* Demographic data is based on 2010 Census for the City of DARIEN.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov