Home > CT > Western Connecticut County > Greenwich > Zip 06831

Zip Code 06831 — Greenwich, CT

06831 is a ZIP Code associated with Greenwich, CT, located within Western Connecticut. The postal region supports an estimated population of 15,210 residents across Data Pending housing units, with a population density of 213.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.087820, -73.660780)

Data MetricLocal Statistic
Postal / Zip Code06831
Primary CityGreenwich
State / ProvinceCT
CountyWestern Connecticut
Total Population15,210
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density213.1 people/sq mi
TimezoneAmerica/New_York

How 06831 Compares

MetricZIP 06831Western Connecticut CountyCT State Average
Population15,210627,0793,624,508
Median IncomeData PendingN/AN/A
Population Density213.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 06830Greenwich3.4 mi24,880N/A
Zip 06807Cos Cob4.0 mi7,650N/A
Zip 06878Riverside5.6 mi8,328N/A
Zip 06903Stamford5.7 mi14,010N/A
Zip 06905Stamford6.1 mi20,725N/A

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 →