Western Connecticut Planning Region, Connecticut ZIP Codes

Zip Code
City
Population ↓
06902Stamford73,392
06810Danbury55,833
06854Norwalk32,118
06811Danbury31,228
06851Norwalk27,865
06880Westport27,583
06776New Milford27,010
06877Ridgefield25,110
06830Greenwich24,880
06820Darien21,936
06840New Canaan20,870
06801Bethel20,796
06905Stamford20,725
06850Norwalk19,692
06897Wilton18,777
06804Brookfield17,908
06470Newtown15,593
06831Greenwich15,210
06903Stamford14,010
06812New Fairfield13,584
06482Sandy Hook12,000
06901Stamford11,037
06883Weston10,396
06855Norwalk9,351
06906Stamford9,199
06896Redding8,779
06907Stamford8,705
06878Riverside8,328
06870Old Greenwich7,864
06807Cos Cob7,650
06784Sherman3,583
06853Norwalk3,171
06752Bridgewater1,658
06755Gaylordsville1,238

Overview of ZIP Codes in Western Connecticut Planning Region

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
34
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 34 ZCTAs in Western Connecticut Planning Region, Connecticut (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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