06355 ZIP Code — Mystic, CT

New London County, Connecticut

ZIP code 06355 is located in Mystic, Connecticut, within New London County. It covers approximately 14.20 square miles and serves a population of 12,481 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06355

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 $398,000. Owner-occupancy is high at 84%, well above the national average.

Median household income is $121,484. The poverty rate of 4% is below the national average. 41% 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 22 minutes is near the national average.

Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 06355 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

12,481

population

14.20

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06355 ZIP code map

Cities in ZIP code 06355

Below are the cities the US Postal Service accepts for ZIP code 06355. Using any city not on this list may result in mail delivery delays.

City	Status
Mystic	Acceptable
Mystic	Preferred

Nearby ZIP codes

06378 Stonington (3.1 mi) 06340 Groton (3.5 mi) 06339 Ledyard (5 mi) 06335 Gales Ferry (6.4 mi) 06320 New London (7 mi) 06359 North Stonington (8.3 mi) 06375 Quaker Hill (8.3 mi) 02891 Westerly (9 mi) 06385 Waterford (9.7 mi) 06365 Preston (10 mi) 06382 Uncasville (10.2 mi) 06353 Montville (10.3 mi)

Demographics updated 05/2026

Population
Total population	12,481
Population density	879 / sq mi
State FIPS	09
County FIPS	011

Geography
Land area	14.20 sq mi
Water area	2.57 sq mi
Latitude	41.3722
Longitude	-71.9746
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	20.5%	32.0%	32.0%
$50k – $100k	26.1%	30.8%	27.7%
$100k – $200k	38.9%	28.0%	27.1%
Over $200k	14.6%	9.2%	13.2%

Demographics & statistics

12,481

Population

879

People per sq mi

53.2

Median age

$121,484

Median household income

$63,185

Per capita income

$398,000

Median home value

$1,577

Median monthly rent

84.0%

Home ownership

3.7%

Poverty rate

4.4%

Unemployment

5,256

Housing units

55.2%

Bachelor's or higher

Age distribution

Male Female

199

Under 5

189

324

5–9

307

270

10–14

255

321

15–19

304

228

20–24

215

529

25–34

500

607

35–44

573

898

45–54

848

587

55–59

554

543

60–64

513

861

65–74

814

732

75–84

691

318

85+

301

← Male

Female →

Age summary

Group	Count	%
Under 18	1,964	15.7%
18 and over	10,517	84.3%
65 and over	3,717	29.8%
Median age	53.2 years

Race & ethnicity

White 79.7%

Two or more races 8.1%

Hispanic or Latino 6.2%

Asian 3.4%

Black or African American 1.3%

Other race 0.8%

American Indian / Alaska Native 0.6%

Group	Count	%
White	10,601	79.7%
Two or more races	1,079	8.1%
Hispanic or Latino	820	6.2%
Asian	448	3.4%
Black or African American	173	1.3%
Other race	103	0.8%
American Indian / Alaska Native	77	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.5%	32.0%	32.0%
$50k – $100k	26.1%	30.8%	27.7%
$100k – $200k	38.9%	28.0%	27.1%
Over $200k	14.6%	9.2%	13.2%

Under $10k 1.1%

$10k–$15k 1.6%

$15k–$25k 2.6%

$25k–$35k 3.7%

$35k–$50k 6.8%

$50k–$75k 11.6%

$75k–$100k 12.0%

$100k–$150k 21.8%

$150k–$200k 17.4%

$200k+ 21.3%

Range	% of households
Under $10k	1.1%
$10k–$15k	1.6%
$15k–$25k	2.6%
$25k–$35k	3.7%
$35k–$50k	6.8%
$50k–$75k	11.6%
$75k–$100k	12.0%
$100k–$150k	21.8%
$150k–$200k	17.4%
$200k+	21.3%
Median income	$121,484

Housing

Home values

Under $50k 4.4%

$50k–$100k 0.7%

$100k–$150k 0.5%

$150k–$200k 2.6%

$200k–$300k 18.4%

$300k–$500k 46.3%

$500k–$1M 22.6%

$1M+ 4.5%

Housing overview

Metric	Value
Median home value	$398,000
Median rent / month	$1,577
Owner occupied	84.0%
Renter occupied	16.0%
Vacant	12.2%
Single-family detached	78.0%
Large apartment buildings	6.0%
Mobile homes	3.4%
Median rooms	6.3
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	0.5%
2010–2019	5.7%
2000–2009	11.4%
1990–1999	7.8%
1980–1989	12.4%
1970–1979	7.1%
1960–1969	13.8%
1950–1959	9.8%
1940–1949	3.7%
1939 or earlier	27.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	9.1%
2 bedrooms	20.4%
3 bedrooms	46.3%
4 bedrooms	18.8%
5+ bedrooms	4.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	27.6%
2 vehicles	39.2%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	4.5%
Electricity	14.6%
Propane / LP gas	11.1%
Fuel oil	65.8%
Wood	1.6%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	3,086	57.4%
Cohabiting couple	210	3.9%
Male householder, no spouse	798	14.9%
Female householder, no spouse	1,278	23.8%
Households with children under 18	1,144	21.3%
Households with seniors (65+)	2,340	43.6%
Average household size	2.24

Marital status

Status	Male	Female
Never married	22.7%	18.3%
Married	62.5%	57.1%
Separated	0.6%	0.0%
Widowed	4.8%	11.0%
Divorced	9.4%	13.6%

Education

Less than 9th grade 0.4%

Some HS, no diploma 1.8%

HS graduate 17.6%

Some college, no degree 15.9%

Associate's degree 9.1%

Bachelor's degree 29.3%

Graduate / professional 25.8%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	55.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	130	5.7%
Kindergarten	101	4.4%
Elementary school	937	40.8%
High school	541	23.5%
College / grad school	590	25.7%

Employment

Industry of employment

Education & healthcare 25.2%

Manufacturing 20.2%

Arts, food & hospitality 11.8%

Retail trade 9.7%

Professional & management 7.4%

Finance & real estate 5.9%

Public administration 5.2%

Construction 4.9%

Other services 4.2%

Transportation & utilities 2.2%

Wholesale trade 1.6%

Information 1.5%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	54.7%
Service	11.6%
Sales & office	21.4%
Natural resources & construction	5.8%
Production & transportation	6.4%

Employment type

Type	%
Private sector	73.4%
Government	16.5%
Self-employed	9.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.9%
Carpool	4.5%
Public transit	0.9%
Walk	1.2%
Work from home	14.5%
Other means	2.0%
Avg commute (minutes)	21.8

Poverty

All people 3.7%

Under 18 years 1.9%

18 and over 4.1%

Married-couple families 2.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	41.2%
Retirement income	37.5%
Supplemental Security	2.6%
Cash public assistance	1.2%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
Obesity	28.1%
High blood pressure	33.0%
High cholesterol	36.0%
Diabetes	8.5%
Heart disease	6.9%
Stroke	2.8%
Asthma	10.0%
Arthritis	26.4%
Kidney disease	2.8%
Pulmonary disease	6.0%
Cancer	8.9%

Behavior / access	%
Smoking	12.5%
Binge drinking	15.1%
No physical activity	15.5%
Less than 7 hrs sleep	30.9%
Depression	19.9%
Fair or poor health	9.6%
Poor mental health	11.9%
Poor physical health	8.1%
No health insurance	6.5%
Visited doctor (checkup)	79.4%
Visited dentist	77.8%
Cholesterol screening	94.1%
Teeth loss	7.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,189	11.5%

Disability	%
Any disability	14.3%
Under 18	15.3%
18–64 years	7.7%
65 and over	26.0%

Health insurance coverage

Type	%
Private insurance	79.2%
Public insurance	39.3%
No insurance	3.5%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,093	96.9%
Spanish	172	1.4%
Other Indo-European	30	0.2%
Asian & Pacific Islander	56	0.5%
Other languages	84	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,587	92.8%
Born in same state	11,467	91.9%
Born in different state	5,525	44.3%
Foreign born	120	1.0%
Naturalized citizen	894	7.2%
Not a US citizen	700	78.3%

Ancestry

Ancestry	Count	%
French	2,693	21.6%
Italian	2,513	20.1%
Arab	520	4.2%
German	350	2.8%
Polish	236	1.9%

Ancestry	Count	%
English	188	1.5%
Norwegian	135	1.1%
Dutch	67	0.5%
Irish	59	0.5%

Technology access

Metric	% of households
Computer access	43.0%
Internet access	96.0%

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

Frequently asked questions about ZIP code 06355

What city is ZIP code 06355 in?

ZIP code 06355 is primarily assigned to Mystic, Connecticut.

What county is ZIP code 06355 in?

ZIP code 06355 falls within New London County, Connecticut.

Does ZIP code 06355 have an older population?

30% of residents in ZIP code 06355 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 06355?

55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 06355 mostly owner-occupied?

84% of occupied units in ZIP code 06355 are owner-occupied, well above the national average.

Does ZIP code 06355 have a large retiree population?

41% of households in ZIP code 06355 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 06355 in?

ZIP code 06355 observes the EST timezone.