Old Lyme, CT 06371 ZIP Code Profile

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

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
  • County: New London County
  • Centroid: Latitude 41.329, Longitude -72.309
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 362
  • PO Box Addresses: 439
  • Residential Addresses: 4,583
    • Multi-Family Addresses: 0
    • Single Family Addresses: 4,583

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

Jump to... (On This Page!)
  1. 06371 2018 Demographic Data
  2. Growth Rates for 06371 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Connecticut Research Tools (Easy Tools & Current Data)
  3. Connecticut Data Comparison Tool - 2018 Demographics

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Old Lyme, CT 06371 Data & Demographics (As of July 1, 2018)


Total Population 9,982
Population in Households 9,963
Population in Familes 8,268
Population in Group Qrtrs 19
Population Density2 179
Diversity Index3 15


Median Household Income $94,744
Average Household Income $131,027
Per Capita Income $55,154


Total Housing Units 6,315 (100%)
Owner Occupied HU 3,522 (55.8%)
Renter Occupied HU 676 (10.7%)
Vacant Housing Units 2,117 (33.5%)
Median Home Value $425,373
Average Home Value $527,974


Total Households 4,198
Average Household Size 2.37
Family Households 2,876
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population -0.03% -0.12%
Households -0.02% -0.13%
Families -0.14% -0.2%
Median Household Income   1.81%
Per Capita Income   2.69%

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

The table below compares 06371 to the other 274 ZIP Codes in Connecticut by rank and percentile using July 1, 2018 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 53rd
Population Density # 228 17th
Diversity Index # 237 14th
Median Household Income # 83 70th
Per Capita Income # 44 84th

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

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Compare Connecticut July 1, 2018 Data
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