06320 ZIP Code — New London, CT

New London County, Connecticut

ZIP code 06320 is located in New London, Connecticut, within New London County. It covers approximately 5.64 square miles and serves a population of 27,600 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860/959.

About ZIP code 06320

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $220,300. Renters make up the majority at 59%, typical of denser urban areas.

Median household income is $56,237. Poverty affects 22% of residents, above the national average. SNAP benefit usage at 21% of households reflects economic stress in the area.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 06320 reflects a community defined by economic challenges above the national average and elevated reliance on food assistance.

27,600

population

5.64

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06320 ZIP code map

Cities in ZIP code 06320

Below are the cities the US Postal Service accepts for ZIP code 06320. Using any city not on this list may result in mail delivery delays.

City	Status
New London	Acceptable
New London	Preferred

Nearby ZIP codes

06385 Waterford (3 mi) 06340 Groton (3.6 mi) 06375 Quaker Hill (3.9 mi) 06357 Niantic (5.8 mi) 06335 Gales Ferry (7 mi) 06355 Mystic (7 mi) 06333 East Lyme (7.1 mi) 06353 Montville (7.7 mi) 06382 Uncasville (8.1 mi) 06339 Ledyard (8.6 mi) 06370 Oakdale (9.4 mi) 06378 Stonington (10.1 mi)

Demographics updated 06/2026

Population
Total population	27,600
Population density	4,894 / sq mi
State FIPS	09
County FIPS	011

Geography
Land area	5.64 sq mi
Water area	1.85 sq mi
Latitude	41.3458
Longitude	-72.1057
Timezone	Eastern (ET)
Area code	860/959

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.2%	32.0%	32.0%
$50k – $100k	28.5%	30.8%	27.7%
$100k – $200k	16.0%	28.0%	27.1%
Over $200k	3.3%	9.2%	13.2%

Demographics & statistics

27,600

Population

4,894

People per sq mi

35.5

Median age

$56,237

Median household income

$30,938

Per capita income

$220,300

Median home value

$1,178

Median monthly rent

41.1%

Home ownership

21.5%

Poverty rate

7.1%

Unemployment

5,686

Housing units

26.8%

Bachelor's or higher

Age distribution

Male Female

687

Under 5

732

523

5–9

556

709

10–14

756

1,237

15–19

1,317

1,639

20–24

1,746

1,735

25–34

1,847

1,848

35–44

1,968

1,314

45–54

1,399

893

55–59

952

813

60–64

866

1,226

65–74

1,306

547

75–84

582

195

85+

207

← Male

Female →

Age summary

Group	Count	%
Under 18	4,553	16.5%
18 and over	23,047	83.5%
65 and over	4,063	14.7%
Median age	35.5 years

Race & ethnicity

White 47.2%

Hispanic or Latino 16.1%

Black or African American 14.3%

Other race 11.1%

Two or more races 9.1%

Asian 2%

American Indian / Alaska Native 0.3%

Group	Count	%
White	15,516	47.2%
Hispanic or Latino	5,288	16.1%
Black or African American	4,694	14.3%
Other race	3,657	11.1%
Two or more races	2,994	9.1%
Asian	648	2%
American Indian / Alaska Native	91	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.2%	32.0%	32.0%
$50k – $100k	28.5%	30.8%	27.7%
$100k – $200k	16.0%	28.0%	27.1%
Over $200k	3.3%	9.2%	13.2%

Under $10k 3.4%

$10k–$15k 9.5%

$15k–$25k 10.8%

$25k–$35k 8.6%

$35k–$50k 12.8%

$50k–$75k 15.8%

$75k–$100k 13.1%

$100k–$150k 16.3%

$150k–$200k 5.6%

$200k+ 4.1%

Range	% of households
Under $10k	3.4%
$10k–$15k	9.5%
$15k–$25k	10.8%
$25k–$35k	8.6%
$35k–$50k	12.8%
$50k–$75k	15.8%
$75k–$100k	13.1%
$100k–$150k	16.3%
$150k–$200k	5.6%
$200k+	4.1%
Median income	$56,237

Housing

Home values

Under $50k 1.7%

$50k–$100k 5.9%

$100k–$150k 10.6%

$150k–$200k 21.0%

$200k–$300k 37.4%

$300k–$500k 20.2%

$500k–$1M 3.1%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$220,300
Median rent / month	$1,178
Owner occupied	41.1%
Renter occupied	58.9%
Vacant	9.1%
Single-family detached	33.5%
Large apartment buildings	15.3%
Mobile homes	0.4%
Median rooms	4.8
Avg household size (owned)	2.39

Year built

Era	%
2020 or later	0.1%
2010–2019	1.1%
2000–2009	4.0%
1990–1999	3.6%
1980–1989	4.9%
1970–1979	8.8%
1960–1969	12.4%
1950–1959	11.5%
1940–1949	5.2%
1939 or earlier	48.5%

Bedrooms

Size	% of units
No bedroom (studio)	7.1%
1 bedroom	19.4%
2 bedrooms	34.6%
3 bedrooms	26.7%
4 bedrooms	10.1%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	17.0%
1 vehicle	45.1%
2 vehicles	26.7%
3 or more	11.3%

Heating fuel

Fuel type	%
Utility gas	40.9%
Electricity	30.0%
Propane / LP gas	2.9%
Fuel oil	24.5%
Wood	0.4%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	3,046	27.4%
Cohabiting couple	1,193	10.7%
Male householder, no spouse	3,090	27.8%
Female householder, no spouse	3,796	34.1%
Households with children under 18	2,632	23.7%
Households with seniors (65+)	3,252	29.2%
Average household size	2.12

Marital status

Status	Male	Female
Never married	50.5%	50.4%
Married	30.2%	25.5%
Separated	1.9%	1.8%
Widowed	3.3%	6.5%
Divorced	14.0%	15.8%

Education

Less than 9th grade 5.6%

Some HS, no diploma 6.8%

HS graduate 31.1%

Some college, no degree 21.7%

Associate's degree 8.0%

Bachelor's degree 16.8%

Graduate / professional 10.0%

Metric	%
HS diploma or higher	87.6%
Bachelor's or higher	26.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	530	6.8%
Kindergarten	331	4.2%
Elementary school	1,825	23.3%
High school	958	12.2%
College / grad school	4,187	53.5%

Employment

Industry of employment

Education & healthcare 27.3%

Manufacturing 16.5%

Retail trade 15.9%

Arts, food & hospitality 13.8%

Professional & management 8.0%

Construction 4.1%

Public administration 3.5%

Other services 3.1%

Finance & real estate 2.9%

Transportation & utilities 2.6%

Information 1.2%

Wholesale trade 0.7%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	33.2%
Service	27.3%
Sales & office	19.9%
Natural resources & construction	5.1%
Production & transportation	14.6%

Employment type

Type	%
Private sector	84.4%
Government	12.0%
Self-employed	3.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	63.0%
Carpool	8.3%
Public transit	5.0%
Walk	9.9%
Work from home	12.0%
Other means	1.8%
Avg commute (minutes)	20.1

Poverty

All people 21.5%

Under 18 years 36.4%

18 and over 18.1%

Married-couple families 10.5%

Female-led households 29.7%

Income support

Source	% of households
Social Security	27.4%
Retirement income	20.1%
Supplemental Security	8.7%
Cash public assistance	3.8%
Food stamps / SNAP	21.2%

Health indicators

Condition	%
Obesity	34.3%
High blood pressure	29.1%
High cholesterol	27.9%
Diabetes	9.4%
Heart disease	5.6%
Stroke	2.9%
Asthma	12.2%
Arthritis	20.3%
Kidney disease	2.7%
Pulmonary disease	6.5%
Cancer	4.9%

Behavior / access	%
Smoking	18.9%
Binge drinking	16.8%
No physical activity	23.1%
Less than 7 hrs sleep	37.0%
Depression	23.0%
Fair or poor health	15.4%
Poor mental health	17.4%
Poor physical health	10.3%
No health insurance	14.5%
Visited doctor (checkup)	75.8%
Visited dentist	62.3%
Cholesterol screening	85.7%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,591	7.2%

Disability	%
Any disability	15.3%
Under 18	3.7%
18–64 years	14.0%
65 and over	34.4%

Health insurance coverage

Type	%
Private insurance	54.0%
Public insurance	48.2%
No insurance	8.6%
Uninsured under 19	3.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,181	94.9%
Spanish	3,701	14.1%
Other Indo-European	2,892	11.0%
Asian & Pacific Islander	477	1.8%
Other languages	197	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,796	82.6%
Born in same state	20,759	75.2%
Born in different state	10,851	39.3%
Foreign born	2,037	7.4%
Naturalized citizen	4,804	17.4%
Not a US citizen	1,933	40.2%

Ancestry

Ancestry	Count	%
Italian	3,025	11%
French	2,011	7.3%
German	695	2.5%
Arab	474	1.7%
English	163	0.6%

Ancestry	Count	%
Polish	148	0.5%
Irish	86	0.3%
Dutch	62	0.2%
Norwegian	37	0.1%

Technology access

Metric	% of households
Computer access	40.3%
Internet access	91.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 06320

What city is ZIP code 06320 in?

ZIP code 06320 is primarily assigned to New London, Connecticut.

What county is ZIP code 06320 in?

ZIP code 06320 falls within New London County, Connecticut.

Is ZIP code 06320 mostly rentals?

59% of occupied units in ZIP code 06320 are renter-occupied.

What is the poverty rate in ZIP code 06320?

22% of residents in ZIP code 06320 live below the poverty line, above the national average.

What is the population of ZIP code 06320?

ZIP code 06320 has an estimated population of 27,600 residents, with a density of 4,891 people per square mile.

What is the median household income in ZIP code 06320?

The median household income in ZIP code 06320 is $56,237, below the national median of ~$75,000.

What timezone is ZIP code 06320 in?

ZIP code 06320 observes the EST timezone.