New London, CT 06320 ZIP Code Profile

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New London, CT

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ZIP Code 06320: Basic Data & USPS Preferred City Name

Preferred Name, USPS
New London, CT 06320

Not Acceptable, USPS
Ft Trumbull, CT 06320
United States Coast Guard, CT 06320
Us Coast Guard Acad, CT 06320

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,332
  • Single Family Addresses: 9,011
  • Multi-Family Addresses: 2,157
  • County: New London County
  • Centroid: Latitude 41.351, Longitude -72.108
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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New London, CT 06320 Data & Demographics (As of July 1, 2017)


Total Population 27,905
Daytime Population: Workers 23,434
Daytime Population: Residents 13,823
Total Daytime Population (TDP) 37,257
Ratio TDP/Total Population1 1.34
Population in Households 24,404
Population in Familes 16,829
Population in Group Qrtrs 3,501
Population Density2 4,988
Diversity Index3 81


Median Household Income $44,785
Average Household Income $60,676
Per Capita Income $25,104


Total Housing Units 12,061 (100%)
Owner Occupied HU 3,576 (29.6%)
Renter Occupied HU 6,935 (57.5%)
Vacant Housing Units 1,550 (12.9%)
Median Home Value $195,767
Average Home Value $235,906


Total Households 10,511
Average Household Size 2.32
Family Households 5,380
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 0.14% 0.26%
Households 0.18% 0.25%
Families -0.01% 0.13%
Median Household Income   0.44%
Per Capita Income   1.92%

New London, CT 06320 - Peer Comparisons by Rank and Percentile

The table below compares 06320 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 # 38 87th
Population Density # 26 91st
Diversity Index # 22 92nd
Median Household Income # 250 9th
Per Capita Income # 252 9th

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

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