Haddam, CT 06438 ZIP Code Profile

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Haddam, CT

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ZIP Code 06438: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Haddam, CT 06438

  • ZIP Code Type: STANDARD
  • County: Middlesex County
  • Centroid: Latitude 41.464, Longitude -72.518
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 82
  • PO Box Addresses: 128
  • Residential Addresses: 989
    • Multi-Family Addresses: 78
    • Single Family Addresses: 911

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.


06438 ZIP Code Map

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Haddam, CT 06438 Data & Demographics (As of July 1, 2017)


Total Population 2,517
Daytime Population: Workers 650
Daytime Population: Residents 1,068
Total Daytime Population (TDP) 1,718
Ratio TDP/Total Population1 0.68
Population in Households 2,512
Population in Familes 2,112
Population in Group Qrtrs 5
Population Density2 174
Diversity Index3 18


Median Household Income $99,124
Average Household Income $115,612
Per Capita Income $45,110


Total Housing Units 1,138 (100%)
Owner Occupied HU 799 (70.2%)
Renter Occupied HU 182 (16.0%)
Vacant Housing Units 157 (13.8%)
Median Home Value $315,182
Average Home Value $346,245


Total Households 981
Average Household Size 2.56
Family Households 691
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 0.18% -0.01%
Households 0.04% -0.1%
Families -0.06% -0.15%
Median Household Income   1.39%
Per Capita Income   2.4%

Haddam, CT 06438 - Peer Comparisons by Rank and Percentile

The table below compares 06438 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 # 225 19th
Population Density # 228 17th
Diversity Index # 201 27th
Median Household Income # 68 76th
Per Capita Income # 100 64th

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

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