Old Lyme, CT 06371 ZIP Code Profile

Related Place Profiles:
North Lyme, CT | Old Lyme, CT

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ZIP Code 06371: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Old Lyme, CT 06371

Acceptable Alternative
Lyme, CT 06371

Not Acceptable, USPS
North Lyme, CT 06371

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 368
  • Single Family Addresses: 4,450
  • Multi-Family Addresses: 0
  • County: New London County
  • Centroid: Latitude 41.329, Longitude -72.309
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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06371 ZIP Code Map

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Old Lyme, CT 06371 Data & Demographics (As of July 1, 2016)


Total Population 10,030
Population in Households 10,009
Population in Familes 8,290
Population in Group Qrtrs 21
Population Density1 180
Diversity Index2 14


Total Households 4,222
Average Household Size 2.37
Family Households 2,907
Average Family Size 3


Total Housing Units 6,300 (100%)
Owner Occupied HU 3,516 (55.8%)
Renter Occupied HU 706 (11.2%)
Vacant Housing Units 2,078 (33.0%)
Median Home Value $446,637
Average Home Value $538,673


Median Household Income $87,606
Average Household Income $123,650
Per Capita Income $52,104
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.03% 0.11%
Households 0.06% 0.13%
Families -0.02% 0.06%
Median Household Income   2.05%
Per Capita Income   1.79%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Old Lyme, CT 06371 - Peer Comparisons by Rank and Percentile

The table below compares 06371 to the other 276 ZIP Codes in Connecticut by rank and percentile using July 1, 2016 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 # 129 54th
Population Density1 # 228 18th
Diversity Index2 # 233 15th
Median Household Income # 93 67th
Per Capita Income # 45 84th

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

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