Greenwich, CT 06830 ZIP Code Profile

Related Place Profiles:
Belle Haven, CT | Greenwich, CT

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ZIP Code 06830: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Greenwich, CT 06830

Not Acceptable, USPS
Belle Haven, CT 06830

  • ZIP Code Type: STANDARD
  • County: Fairfield County
  • Centroid: Latitude 41.035, Longitude -73.628
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,440
  • PO Box Addresses: 0
  • Residential Addresses: 10,381
    • Multi-Family Addresses: 1,671
    • Single Family Addresses: 8,710

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


06830 ZIP Code Map

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Greenwich, CT 06830 Data & Demographics (As of July 1, 2017)


Total Population 25,238
Daytime Population: Workers 22,963
Daytime Population: Residents 13,045
Total Daytime Population (TDP) 36,008
Ratio TDP/Total Population1 1.43
Population in Households 24,938
Population in Familes 19,848
Population in Group Qrtrs 300
Population Density2 1,944
Diversity Index3 55


Median Household Income $116,297
Average Household Income $181,272
Per Capita Income $72,921


Total Housing Units 11,345 (100%)
Owner Occupied HU 4,885 (43.1%)
Renter Occupied HU 5,224 (46.0%)
Vacant Housing Units 1,236 (10.9%)
Median Home Value $1,000,001
Average Home Value $983,997


Total Households 10,109
Average Household Size 2.47
Family Households 6,267
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.72% 0.67%
Households 0.51% 0.57%
Families 0.46% 0.54%
Median Household Income   2.53%
Per Capita Income   2.29%

Greenwich, CT 06830 - Peer Comparisons by Rank and Percentile

The table below compares 06830 to the other 275 ZIP Codes in Connecticut by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 49 83rd
Population Density # 72 74th
Diversity Index # 62 78th
Median Household Income # 26 91st
Per Capita Income # 17 94th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.

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