Zip Code 06320
New London, Connecticut — New London County
📍 ZIP code 06320 is in New London, New London County, Connecticut.
ZIP code 06320 is located in New London, New London County, Connecticut. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 27,275. The area code for ZIP code 06320 is 203.
Quick Answer
Zip code 06320 is in New London, Connecticut (New London County). It has a population of 27,275, median household income of $60,224, and median home value of $234,800.
Population
27,275
Income
$60,224
Home Value
$234,800
Climate
80°F / 23°F
About Zip Code 06320
Zip code 06320 is located in New London, Connecticut, within New London County. Home to approximately 27,275 residents, this area sits at an elevation of 15 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 203.
The median household income is $60,224 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $234,800, and the cost of living index is 77 (23% below the national average of 100).
Summers average a high of 80°F while winters drop to 23°F. The area receives about 39 in of rain and 24 in of snow annually. The zip code covers 5.5 square miles of land area and 2 square miles of water.
Key Statistics
27,275
$60,224
$234,800
Eastern (EST/EDT)
203
15 ft
5.5 sq mi
35.1
12,528
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Compare With Nearby Zip Codes
| Metric | 06320 | 06385 | 06340 | 06375 | 06357 | 06335 |
|---|---|---|---|---|---|---|
| City | New London, CT | Waterford, CT | Groton, CT | Quaker Hill, CT | Niantic, CT | Gales Ferry, CT |
| Population | 27,275 | 15,900 | 29,833 | 3,667 | 11,315 | 6,100 |
| Median Income | $60,224 | $110,375 | $77,768 | $104,427 | $98,852 | $126,121 |
| Home Value | $234,800 | $334,900 | $275,500 | $294,600 | $369,600 | $296,800 |
| Cost of Living | 77 | 119 | 94 | 115 | 127 | 110 |
| Median Age | 35.1 | 46.9 | 33.2 | 49.7 | 55.9 | 37.4 |
Cost of Living
100 = National Average. New London's cost of living is 23% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
3.9x
Demographics
Zip code 06320 has a population of 27,275 people with a median age of 35.1. There are 12,528 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
New London (06320) population trend from 2010 to 2024
↑ 10.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
80°F
23°F
39 in
24 in
New London experiences warm summers with average highs around 80°F. Winters are cool with lows averaging 23°F. The area receives about 24 in of snow per year.
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Housing & Economy
Median Home Value
$234,800
Median Household Income
$60,224
With 12,528 housing units across 5.5 square miles, 06320 has a housing density of 2,278 units per square mile. The home price-to-income ratio is 3.9x.
Location & Geography
Latitude
41.3488°
Longitude
-72.1020°
Land Area
5.5 sq mi
Water Area
2 sq mi
Nearby Zip Codes
Zip codes closest to 06320 (New London, CT) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 06320's $60,224. A way to compare New London to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 06320 (New London, CT). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is New London, Connecticut?
New London, Connecticut uses zip code 06320.
What county is zip code 06320 in?
Zip code 06320 is located in New London County, Connecticut.
What is the population of zip code 06320?
The population of zip code 06320 is 27,275 with a median age of 35.1.
Is 06320 in New London, Connecticut?
Yes, zip code 06320 is in New London, New London County, Connecticut. The area code is 203.
Frequently Asked Questions
What city is zip code 06320 in?
Zip code 06320 is in New London, Connecticut. It is part of New London County and uses the Eastern (EST/EDT) timezone.
What is zip code 06320?
Zip code 06320 is a U.S. postal code in New London, Connecticut (New London County). It has a population of 27,275 and covers 5.5 square miles.
What is the population of zip code 06320?
The population of zip code 06320 (New London, CT) is 27,275 with a median age of 35.1. There are approximately 12,528 housing units in this area.
What is the median income in zip code 06320?
The median household income in zip code 06320 (New London, CT) is $60,224 per year. The cost of living index is 77 (100 = national average).
What is the average home price in zip code 06320?
The median home value in zip code 06320 (New London, CT) is $234,800. The cost of living index is 77 compared to the national average of 100.
What county is zip code 06320 in?
Zip code 06320 is located in New London County, Connecticut. The primary city is New London.
What is the area code for zip code 06320?
Zip code 06320 in New London, CT uses area code 203. It is located in the Eastern (EST/EDT) timezone.
Is zip code 06320 a good place to live?
Zip code 06320 (New London, CT) has a cost of living index of 77 (100 = national average), a median household income of $60,224, and median home values of $234,800. The median age is 35.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 06320?
The cost of living index for zip code 06320 (New London, CT) is 77, where 100 represents the national average. This area is below the national average. Median home value: $234,800.
What schools serve zip code 06320?
Zip code 06320 in New London, Connecticut is served by the local school district of New London County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.