New Canaan, CT 06840 ZIP Code Profile

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New Canaan, CT

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ZIP Code 06840: Basic Data & USPS Preferred City Name

Preferred Name, USPS
New Canaan, CT 06840

  • ZIP Code Type: STANDARD
  • County: Fairfield County
  • Centroid: Latitude 41.152, Longitude -73.496
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 864
  • PO Box Addresses: 265
  • Residential Addresses: 7,334
    • Multi-Family Addresses: 261
    • Single Family Addresses: 7,073

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.


06840 ZIP Code Map

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New Canaan, CT 06840 Data & Demographics (As of July 1, 2017)


Total Population 20,304
Daytime Population: Workers 8,313
Daytime Population: Residents 12,191
Total Daytime Population (TDP) 20,504
Ratio TDP/Total Population1 1.01
Population in Households 20,281
Population in Familes 18,188
Population in Group Qrtrs 23
Population Density2 902
Diversity Index3 23


Median Household Income $200,001
Average Household Income $260,573
Per Capita Income $91,161


Total Housing Units 7,667 (100%)
Owner Occupied HU 5,463 (71.3%)
Renter Occupied HU 1,638 (21.4%)
Vacant Housing Units 566 ( 7.4%)
Median Home Value $1,000,001
Average Home Value $1,060,457


Total Households 7,101
Average Household Size 2.86
Family Households 5,448
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 0.4% 0.45%
Households 0.19% 0.35%
Families 0.13% 0.31%
Median Household Income   0.0%
Per Capita Income   1.49%

New Canaan, CT 06840 - Peer Comparisons by Rank and Percentile

The table below compares 06840 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 # 62 78th
Population Density # 104 63rd
Diversity Index # 165 40th
Median Household Income # 3 100th
Per Capita Income # 3 99th

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

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