Postal Codes

06320 ZIP Code

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ZIP code 06320 covers New London, Connecticut, with a population of about 27,275 and a median household income of $60,224.

Population
27,2754,833 per square mile
Median age
35.13.6 points below the US average
Median household income
$60,22436% below the Connecticut median
Poverty rate
20.9%8.5 points above the US average
Typical home value
$329,759up 52.5% in five years
Median rent
$1,3049% below the Connecticut median
Degree or higher
29.1%5.9 points below the US average
Homeownership
40%25 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
645

Where 06320 is

New London, Connecticut — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population27,275
Median age35.1
Family households49.2%
Born outside the US19.1%
Speaks a language other than English at home33%
White (non-Hispanic)44.9%
Black (non-Hispanic)13.4%
Asian (non-Hispanic)2.3%
Hispanic or Latino34.4%
Veterans5.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$60,224
Income per person$33,900
Poverty rate20.9%
Households on SNAP or cash assistance23.3%

Household income distribution

Under $10k6.2%
$10–15k6.3%
$15–20k5.8%
$20–25k3.2%
$25–30k4.1%
$30–35k5.1%
$35–40k5.0%
$40–45k3.8%
$45–50k3.9%
$50–60k6.5%
$60–75k8.1%
$75–100k16.4%
$100–125k8.9%
$125–150k5.0%
$150–200k5.8%
$200k or more5.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed12,780
Mean adjusted gross income$51,277
Returns declaring $200,000 or more2.1%
Returns, under $25k34.0%
Returns, $25k–$50k32.2%
Returns, $50k–$75k15.6%
Returns, $75k–$100k7.7%
Returns, $100k–$200k8.3%
Returns, $200k or more2.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$234,800
Median gross rent$1,304
Rent as a share of household income32.6%
Owner-occupied40%
Vacant homes7.5%
Median year built1947

What the homes are

Detached house32.9%
Attached house3%
2 to 4 units29.8%
5 to 19 units17.5%
20 or more units16.3%
Mobile home0.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$329,759as of 2026-07
Typical home value, 1 yearup 4.7%
Typical home value, 5 yearsup 52.5%
Typical home value, 10 yearsup 120.5%
Typical asking rent$1,589as of 2026-07
Typical asking rent, 1 yearup 5.2%
Typical asking rent, 5 yearsup 41.2%
Typical home value since 2000
200020132026$329,759$113,258

$113,258 in 2000 to $329,759 in 2026.

Typical asking rent
202020232026$1,589$975

$975 in 2020 to $1,589 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.3%
Bachelor's degree or higher29.1%
High school diploma or higher88.1%
Works from home11.1%
Drives to work alone67.5%
Takes public transport4.7%
Commutes 45 minutes or more8.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes11.1% 0.9 pts below the national average of 12%
Currently smokes12.3% 0.9 pts below the national average of 13.2%
High blood pressure33.2% 0.9 pts below the national average of 34.1%
Fair or poor general health22.7% 2.4 pts above the national average of 20.3%
No health insurance (18–64)14.8% 3.5 pts above the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity31.6% 6.2 pts above the national average of 25.4%
Arthritis22.9% 2.2 pts below the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication72.1% 2.6 pts below the national average of 74.7%
Cancer (non-skin)5.9% 1.8 pts below the national average of 7.7%
Current asthma12.3% 1.9 pts above the national average of 10.4%
Coronary heart disease5.7% 0.5 pts below the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening84.2% 1.7 pts below the national average of 85.9%
Cognitive disability17.9% 3.1 pts above the national average of 14.8%
Colorectal screening67.5% 3.2 pts above the national average of 64.3%
COPD6.4% same as the national average of 6.6%
Visited a dentist61.8% 0.5 pts above the national average of 61.3%
Any disability33.1% 2.4 pts above the national average of 30.7%
Lacks emotional support27.2% 2.4 pts above the national average of 24.8%
Food insecurity23.6% 6.5 pts above the national average of 17.1%
Received food stamps20.3% 6 pts above the national average of 14.3%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol32.6% 3.6 pts below the national average of 36.2%
Housing insecurity18.8% 5 pts above the national average of 13.8%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Lacks transport13.2% 4 pts above the national average of 9.2%
Loneliness35.8% 1.4 pts above the national average of 34.4%
Mammography use76.1% same as the national average of 75.9%
Poor mental health (14+ days)19.2% 2.4 pts above the national average of 16.8%
Mobility disability13.6% same as the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Utility shut-off threat12.9% 4.1 pts above the national average of 8.8%
Sleeps under 7 hours40.7% 4.3 pts above the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost16.7% 3.7 pts above the national average of 13%
Vision disability6.9% 1.3 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments645
People employed11,097
Annual payroll$627,853,000
Compared with Connecticut and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPConnecticutUnited States
Median household income$60,224$93,760$78,538
Income per person$33,900$54,409$43,289
Poverty rate20.9%10%12.4%
Median home value$234,800$343,200$303,400
Median gross rent$1,304$1,431$1,348
Homeownership40%66.2%65%
Bachelor's degree or higher29.1%41.9%35%
Unemployment rate7.3%5.6%5.2%
Works from home11.1%14.4%13.5%
Born outside the US19.1%15.4%13.9%
Median age35.141.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationGROTON NEW LONDON AP, CT US5.4 km away
Rain in a year39 in

Average high and low by month

January38.3°F / 23.3°F2.68 in rain
February40.2°F / 24.6°F2.2 in rain
March46.6°F / 30.7°F3.82 in rain
April56.2°F / 39.1°F3.58 in rain
May64.8°F / 48.8°F3.31 in rain
June73.8°F / 58.2°F3.3 in rain
July79.8°F / 64.8°F3.24 in rain
August79.2°F / 63.8°F3.32 in rain
September73.5°F / 56.9°F3.83 in rain
October63.2°F / 45.6°F3.66 in rain
November53.3°F / 36.8°F3.24 in rain
December43.9°F / 29°F3.13 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket27% of this ZIP code's area
Far from a supermarket49% of this ZIP code's area
No vehicle and far from a supermarket61% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

New London School District99.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Walkability14.5 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

06385 Waterford, CT3.3 km away
06340 Groton, CT4.1 km away
06349 Groton, CT5.6 km away
06375 Quaker Hill, CT5.9 km away
06357 Niantic, CT9.2 km away
06335 Gales Ferry, CT9.2 km away
06333 East Lyme, CT10.7 km away
06355 Mystic, CT10.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

New London County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area5.64 sq mi
Water area1.85 sq mi
Population density4,833 people per sq mi
Latitude, longitude41.3507, -72.1062

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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