Zip Code 06903 — Stamford, CT

ZIP Code 06903 is associated with Stamford, CT, in Western Connecticut County. The listed population estimate is 14,010; estimated density is 311.0 people per square mile. Among records with population estimates, it ranks #19 of 34 in Western Connecticut County and #100 of 285 in CT.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.135710, -73.572070)

Data MetricLocal Statistic
Postal / Zip Code06903
Primary CityStamford
State / ProvinceCT
CountyWestern Connecticut
Total Population14,010
Population Density311.0 people/sq mi
TimezoneAmerica/New_York

How 06903 Compares

MetricZIP 06903Western Connecticut County recordsCT records
Population estimate14,010627,079 (sum)3,624,508 (sum)
Population Density311.0 /sq mi----
County population rank#19 of 34----
State population rank#100 of 285----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CT

ZIP CodeCityDistancePopulation estimate
ZIP 06907Stamford3.6 mi8,705
ZIP 06905Stamford3.6 mi20,725
ZIP 06840New Canaan4.1 mi20,870
ZIP 06906Stamford5.1 mi9,199
ZIP 06807Cos Cob5.3 mi7,650

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →