10 Most Populated ZIP Codes in Connecticut

The top ZIP code for population in Connecticut is 06902 (Stamford, Fairfield County), with a population of 72,915. Across the top 10 most populated ZIP codes in Connecticut, population ranges from 72,915 to 41,100, covering communities from Stamford to New Haven.

Rank	ZIP	City	County	Population	Population
1	06902	Stamford	Fairfield County	72,915	72,915
2	06010	Bristol	Hartford County	61,206	61,206
3	06810	Danbury	Fairfield County	55,179	55,179
4	06516	West Haven	New Haven County	55,147	55,147
5	06511	New Haven	New Haven County	54,744	54,744
6	06606	Bridgeport	Fairfield County	50,918	50,918
7	06457	Middletown	Middlesex County	46,690	46,690
8	06492	Wallingford	New Haven County	44,099	44,099
9	06484	Shelton	Fairfield County	41,402	41,402
10	06082	Enfield	Hartford County	41,100	41,100

Methodology

Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by population and surface the top 10 ZIP codes within Connecticut. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.

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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.

10 Most Populated ZIP Codes in Connecticut

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