06357 ZIP Code — Niantic, CT

New London County, Connecticut

ZIP code 06357 is located in Niantic, Connecticut, within New London County. It covers approximately 10.59 square miles and serves a population of 11,530 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06357

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $358,000. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($94,010) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 45% of residents holding a bachelor's degree or higher.

Overall, ZIP code 06357 reflects a community defined by high homeownership and a significant Social Security-dependent population.

11,530

population

10.59

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06357 ZIP code map

Cities in ZIP code 06357

Below are the cities the US Postal Service accepts for ZIP code 06357. Using any city not on this list may result in mail delivery delays.

City	Status
Niantic	Preferred

Nearby ZIP codes

06333 East Lyme (3.6 mi) 06385 Waterford (3.6 mi) 06320 New London (5.8 mi) 06375 Quaker Hill (6.6 mi) 06371 Old Lyme (6.9 mi) 06475 Old Saybrook (9.1 mi) 06340 Groton (9.4 mi) 06353 Montville (9.6 mi) 06370 Oakdale (9.6 mi) 06426 Essex (9.8 mi) 06382 Uncasville (10.3 mi) 06409 Centerbrook (10.4 mi)

Demographics updated 05/2026

Population
Total population	11,530
Population density	1,089 / sq mi
State FIPS	09
County FIPS	011

Geography
Land area	10.59 sq mi
Water area	3.74 sq mi
Latitude	41.3270
Longitude	-72.2154
Timezone	Eastern (ET)
Area code	860

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.3%	32.0%	32.0%
$50k – $100k	28.2%	30.8%	27.7%
$100k – $200k	30.3%	28.0%	27.1%
Over $200k	11.1%	9.2%	13.2%

Demographics & statistics

11,530

Population

1,089

People per sq mi

55.2

Median age

$94,010

Median household income

$51,950

Per capita income

$358,000

Median home value

$1,509

Median monthly rent

75.5%

Home ownership

5.3%

Poverty rate

3.4%

Unemployment

4,672

Housing units

44.7%

Bachelor's or higher

Age distribution

Male Female

146

Under 5

179

214

5–9

262

192

10–14

236

198

15–19

243

232

20–24

284

473

25–34

579

614

35–44

752

503

45–54

616

459

55–59

562

514

60–64

631

888

65–74

1,088

473

75–84

580

275

85+

337

← Male

Female →

Age summary

Group	Count	%
Under 18	1,531	13.3%
18 and over	9,999	86.7%
65 and over	3,641	31.6%
Median age	55.2 years

Race & ethnicity

White 85%

Asian 4.7%

Two or more races 3.7%

Black or African American 2.6%

Hispanic or Latino 2.5%

Other race 1.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	10,051	85%
Asian	559	4.7%
Two or more races	442	3.7%
Black or African American	312	2.6%
Hispanic or Latino	293	2.5%
Other race	160	1.4%
American Indian / Alaska Native	6	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.3%	32.0%	32.0%
$50k – $100k	28.2%	30.8%	27.7%
$100k – $200k	30.3%	28.0%	27.1%
Over $200k	11.1%	9.2%	13.2%

Under $10k 2.6%

$10k–$15k 2.0%

$15k–$25k 7.8%

$25k–$35k 5.6%

$35k–$50k 8.9%

$50k–$75k 15.2%

$75k–$100k 11.3%

$100k–$150k 19.9%

$150k–$200k 8.1%

$200k+ 18.5%

Range	% of households
Under $10k	2.6%
$10k–$15k	2.0%
$15k–$25k	7.8%
$25k–$35k	5.6%
$35k–$50k	8.9%
$50k–$75k	15.2%
$75k–$100k	11.3%
$100k–$150k	19.9%
$150k–$200k	8.1%
$200k+	18.5%
Median income	$94,010

Housing

Home values

Under $50k 1.6%

$100k–$150k 2.3%

$150k–$200k 4.4%

$200k–$300k 23.2%

$300k–$500k 51.1%

$500k–$1M 15.6%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$358,000
Median rent / month	$1,509
Owner occupied	75.5%
Renter occupied	24.5%
Vacant	16.8%
Single-family detached	75.3%
Large apartment buildings	5.9%
Mobile homes	0.7%
Median rooms	5.9
Avg household size (owned)	2.25

Year built

Era	%
2020 or later	0.0%
2010–2019	8.8%
2000–2009	9.9%
1990–1999	6.2%
1980–1989	7.0%
1970–1979	10.0%
1960–1969	15.8%
1950–1959	15.8%
1940–1949	4.3%
1939 or earlier	22.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	7.1%
2 bedrooms	31.4%
3 bedrooms	38.6%
4 bedrooms	17.4%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.7%
1 vehicle	38.2%
2 vehicles	38.1%
3 or more	21.0%

Heating fuel

Fuel type	%
Utility gas	5.0%
Electricity	25.7%
Propane / LP gas	13.2%
Fuel oil	53.7%
Wood	0.8%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	2,389	48.9%
Cohabiting couple	400	8.2%
Male householder, no spouse	780	16.0%
Female householder, no spouse	1,315	26.9%
Households with children under 18	868	17.8%
Households with seniors (65+)	2,567	52.6%
Average household size	2.14

Marital status

Status	Male	Female
Never married	24.0%	26.9%
Married	56.1%	43.4%
Separated	1.0%	0.7%
Widowed	4.1%	12.2%
Divorced	14.8%	16.8%

Education

Less than 9th grade 0.9%

Some HS, no diploma 3.6%

HS graduate 26.4%

Some college, no degree 16.2%

Associate's degree 8.3%

Bachelor's degree 21.7%

Graduate / professional 23.0%

Metric	%
HS diploma or higher	95.5%
Bachelor's or higher	44.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	173	8.3%
Kindergarten	125	6.0%
Elementary school	700	33.6%
High school	502	24.1%
College / grad school	586	28.1%

Employment

Industry of employment

Education & healthcare 26.9%

Manufacturing 14.1%

Professional & management 12.2%

Retail trade 10.4%

Arts, food & hospitality 7.3%

Finance & real estate 7.2%

Construction 6.5%

Transportation & utilities 4.9%

Public administration 4.0%

Other services 3.9%

Wholesale trade 1.2%

Information 1.2%

Occupation

Category	%
Management, business & arts	52.4%
Service	14.0%
Sales & office	20.7%
Natural resources & construction	5.3%
Production & transportation	7.6%

Employment type

Type	%
Private sector	76.6%
Government	17.4%
Self-employed	5.7%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.1%
Carpool	5.0%
Public transit	1.3%
Walk	0.8%
Work from home	15.8%
Other means	1.1%
Avg commute (minutes)	27.4

Poverty

All people 5.3%

Under 18 years 7.3%

18 and over 4.9%

Married-couple families 1.3%

Female-led households 8.2%

Income support

Source	% of households
Social Security	50.5%
Retirement income	39.1%
Supplemental Security	2.3%
Cash public assistance	1.7%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	29.3%
High blood pressure	30.7%
High cholesterol	32.7%
Diabetes	7.8%
Heart disease	6.0%
Stroke	2.5%
Asthma	10.4%
Arthritis	23.9%
Kidney disease	2.6%
Pulmonary disease	5.6%
Cancer	7.8%

Behavior / access	%
Smoking	13.5%
Binge drinking	15.8%
No physical activity	16.2%
Less than 7 hrs sleep	32.5%
Depression	20.6%
Fair or poor health	9.6%
Poor mental health	13.1%
Poor physical health	7.9%
No health insurance	8.4%
Visited doctor (checkup)	78.3%
Visited dentist	75.9%
Cholesterol screening	92.8%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	991	10.0%

Disability	%
Any disability	12.7%
Under 18	7.3%
18–64 years	8.6%
65 and over	21.3%

Health insurance coverage

Type	%
Private insurance	73.9%
Public insurance	45.9%
No insurance	3.0%
Uninsured under 19	3.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,205	97.2%
Spanish	289	2.6%
Other Indo-European	54	0.5%
Asian & Pacific Islander	111	1.0%
Other languages	111	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,562	91.6%
Born in same state	10,496	91.0%
Born in different state	6,678	57.9%
Foreign born	66	0.6%
Naturalized citizen	968	8.4%
Not a US citizen	690	71.3%

Ancestry

Ancestry	Count	%
Italian	2,634	22.8%
French	1,360	11.8%
Arab	442	3.8%
German	391	3.4%
English	149	1.3%

Ancestry	Count	%
Dutch	77	0.7%
Polish	63	0.5%
Norwegian	31	0.3%
Irish	12	0.1%

Technology access

Metric	% of households
Computer access	42.4%
Internet access	95.1%

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

Frequently asked questions about ZIP code 06357

What city is ZIP code 06357 in?

ZIP code 06357 is primarily assigned to Niantic, Connecticut.

What county is ZIP code 06357 in?

ZIP code 06357 falls within New London County, Connecticut.

Does ZIP code 06357 have an older population?

32% of residents in ZIP code 06357 are 65 or older, above the national average of ~17%.

Does ZIP code 06357 have a large retiree population?

51% of households in ZIP code 06357 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 06357?

The median home value in ZIP code 06357 is $358,000.

Does ZIP code 06357 have a large veteran population?

10% of civilians in ZIP code 06357 are veterans, above the national average of ~7%.

What timezone is ZIP code 06357 in?

ZIP code 06357 observes the EST timezone.