Zip code 06378: Stonington, Connecticut

Q: What city is zip code 06378?

06378 is assigned to Stonington, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What is the population of 06378?

About 5,555 people live in 06378, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 06378?

The median household income in 06378 is $135,714.

Q: What zip codes are near 06378?

The closest zip codes to 06378 are 06372, 06379, 06355, 06388, 06339.

Residential delivery areaEastern Time

Population

5,555

Median household income

$136K

U.S. $81K

Median home value

$593K

U.S. $333K

Median rent

$1,750/mo

U.S. $1,413

Median age

58.7

U.S. 38.9

Land area

21 sq mi

266 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 06378

06378 is a small-town zip code in Stonington, Connecticut, covering 21 sq mi of land. About 5,555 people live here, or 266 per square mile. The median resident is 58.7 years old, compared with 38.9 nationally.

The median household earns $135,714 a year, 68% above the national median of $80,734. 2.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $593,400, or 4.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 78% of occupied homes are lived in by their owners, and renters pay a median of $1,750 a month.

61% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.7 minutes each way, and 26% of workers work from home. The most common jobs among working residents are in management; business and finance; and sales. 18% of them are self-employed (U.S.: 10%).

How 06378 compares

Sorted from highest to lowest national percentile

Median age58.7
99th
U.S. 38.9 · CT 41.111th of 277 in CT
Residents 65 and older36.6%
99th
U.S. 17.2% · CT 18.5%9th of 277 in CT
Per capita income$96,042
98th
StrengthU.S. $44,673 · CT $55,91520th of 277 in CT
Broadband access97.5%
95th
StrengthU.S. 91% · CT 92.2%47th of 275 in CT
Self-employed workers17.6%
95th
U.S. 10% · CT 9.9%38th of 276 in CT
Median household income$135,714
91st
StrengthU.S. $80,734 · CT $95,78153rd of 267 in CT
Housing vacancy17.9%
91st
U.S. 10.1% · CT 7%25th of 275 in CT
Median earnings per worker$75,875
91st
StrengthU.S. $49,666 · CT $57,73958th of 275 in CT
Bachelor's degree or higher61.2%
90th
StrengthU.S. 35.7% · CT 42.5%44th of 277 in CT
Work from home26%
90th
U.S. 15.1% · CT 16%37th of 276 in CT
Median home value$593,400
81st
U.S. $332,700 · CT $366,90031st of 267 in CT
Income inequality (Gini)0.477
80th
WeaknessU.S. 0.483 · CT 0.49968th of 274 in CT
Homeownership rate77.8%
73rd
U.S. 65.2% · CT 66.5%150th of 275 in CT
Median gross rent$1,750
71st
U.S. $1,413 · CT $1,48872nd of 247 in CT
Veterans6.2%
55th
U.S. 6.2% · CT 4.7%89th of 277 in CT
Average commute26.7 min
54th
U.S. 26.4 min · CT 26.5 min133rd of 268 in CT
Unemployment rate4.5%
43rd
U.S. 5.2% · CT 5.6%137th of 276 in CT
Tech workers2.2%
37th
U.S. 3.8% · CT 3.6%183rd of 276 in CT
Government workers11%
27th
U.S. 14.5% · CT 13.1%187th of 276 in CT
Population density266/sq mi
24th
U.S. 95/sq mi · CT 749/sq mi200th of 277 in CT
Foreign-born residents4%
24th
U.S. 14.1% · CT 15.7%231st of 277 in CT
Healthcare workers7.7%
23rd
U.S. 9.7% · CT 10.4%208th of 276 in CT
Population5,555
9th
U.S. 334,922,499 · CT 3,624,508174th of 277 in CT
Uninsured rate2.4%
8th
StrengthU.S. 8.4% · CT 5.4%178th of 276 in CT
Diversity index13.5
6th
U.S. 61.4 · CT 57257th of 277 in CT
Rent-burdened renters28.5%
4th
StrengthU.S. 51.1% · CT 52.6%232nd of 267 in CT
Residents under 1812%
4th
U.S. 22% · CT 20.2%252nd of 277 in CT
Poverty rate2.9%
2nd
StrengthU.S. 12.5% · CT 10%236th of 276 in CT

Measure	06378	CT	U.S.	National percentile	Rank in CT
Median age	58.7	41.1	38.9	99th	11th of 277
Residents 65 and older	36.6%	18.5%	17.2%	99th	9th of 277
Per capita incomeStrength	$96,042	$55,915	$44,673	98th	20th of 277
Broadband accessStrength	97.5%	92.2%	91%	95th	47th of 275
Self-employed workers	17.6%	9.9%	10%	95th	38th of 276
Median household incomeStrength	$135,714	$95,781	$80,734	91st	53rd of 267
Housing vacancy	17.9%	7%	10.1%	91st	25th of 275
Median earnings per workerStrength	$75,875	$57,739	$49,666	91st	58th of 275
Bachelor's degree or higherStrength	61.2%	42.5%	35.7%	90th	44th of 277
Work from home	26%	16%	15.1%	90th	37th of 276
Median home value	$593,400	$366,900	$332,700	81st	31st of 267
Income inequality (Gini)Weakness	0.477	0.499	0.483	80th	68th of 274
Homeownership rate	77.8%	66.5%	65.2%	73rd	150th of 275
Median gross rent	$1,750	$1,488	$1,413	71st	72nd of 247
Veterans	6.2%	4.7%	6.2%	55th	89th of 277
Average commute	26.7 min	26.5 min	26.4 min	54th	133rd of 268
Unemployment rate	4.5%	5.6%	5.2%	43rd	137th of 276
Tech workers	2.2%	3.6%	3.8%	37th	183rd of 276
Government workers	11%	13.1%	14.5%	27th	187th of 276
Population density	266/sq mi	749/sq mi	95/sq mi	24th	200th of 277
Foreign-born residents	4%	15.7%	14.1%	24th	231st of 277
Healthcare workers	7.7%	10.4%	9.7%	23rd	208th of 276
Population	5,555	3,624,508	334,922,499	9th	174th of 277
Uninsured rateStrength	2.4%	5.4%	8.4%	8th	178th of 276
Diversity index	13.5	57	61.4	6th	257th of 277
Rent-burdened rentersStrength	28.5%	52.6%	51.1%	4th	232nd of 267
Residents under 18	12%	20.2%	22%	4th	252nd of 277
Poverty rateStrength	2.9%	10%	12.5%	2nd	236th of 276

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

11%

5–17

18–24

25–34

35–44

14%

45–54

19%

55–64

21%

65–74

15%

75+

Median age

58.7

Under 18

12%

65 and over

36.6%

Race and ethnicity

White93%
Black2%
Hispanic2%
Asian0.1%
Native American0.1%
Pacific Islander0%
Other0.1%
Multiracial2%

Diversity index

13.5

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

37.2%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

0.1%

Other

0.2%

Households

Households: 2,708
Average household size: 2.1
Family households: 64.9%
Married couples: 53.6%
Living alone: 27.8%
Veterans (of adults): 6.2%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

12%

$75–100k

11%

$100–150k

15%

$150–200k

14%

$200k+

33%

Median household income

06378

$135,714

Connecticut

$95,781

United States

$80,734

Per capita income

$96,042

U.S. $44,673

Poverty rate

2.9%

U.S. 12.5%

Households earning $150K+

47.1%

U.S. 23%

Income inequality (Gini)

0.477

U.S. 0.483

Housing

Median home value

06378

$593,400

Connecticut

$366,900

United States

$332,700

Median gross rent

06378

$1,750

Connecticut

$1,488

United States

$1,413

Types of housing

Single-family

78%

2–4 units

11%

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 3,297
Owner-occupied: 77.8%
Vacant: 17.9%
Median year built: 1969
Median rooms: 6
Renters paying 30%+ of income: 28.5%
Renters paying 50%+ of income: 19.1%
Home value to income: 4.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

68%

Carpooled

Transit

0.8%

Walked

Bicycle

Worked from home

26%

Other

Commute time (one way)

<10 min

10%

10–19

34%

20–29

29%

30–44

10%

45–59

60+

Average commute

26.7 min

U.S. 26.4 min

Unemployment

4.5%

U.S. 5.2%

In labor force

59.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

21%

Business and finance

12%

Sales

10%

Engineering and science

Healthcare

Education

Office and admin

Production

Cleaning and personal care

Construction and repair

Food service

Legal and social services

Arts, media and sports

Computer and math

Police and fire

Transportation and moving

0.4%

Farming, fishing and forestry

0.1%

Industries

Manufacturing

16%

Professional and technical services

14%

Health care and social assistance

12%

Education

11%

Restaurants and hotels

10%

Finance, insurance and real estate

Retail

Construction

Public administration

Wholesale

Other services

Arts and recreation

Transportation, warehousing and utilities

Information

Admin, support and management

Agriculture and mining

0.8%

Median earnings per worker

$75,875

U.S. $49,666

Self-employed

17.6%

U.S. 10%

Government workers

11%

U.S. 14.5%

Nonprofit workers

11.2%

U.S. 8.8%

Median earnings by type of work

Type of work	06378	U.S.
Management, business, science and arts	$94,741	$74,888
Service	$17,264	$26,804
Sales and office	$60,000	$40,476
Construction and maintenance	$93,375	$49,199
Production and transportation	$63,726	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

11%

Some college

16%

Associate's

10%

Bachelor's

32%

Graduate

30%

High school graduate or higher: 98.4%
Bachelor's degree or higher: 61.2%
Graduate or professional degree: 29.5%
Households with broadband: 97.5%
Cable, fiber or DSL: 84%
No internet access: 1%
Without health insurance: 2.4%
Limited-English households: 0.3%

Geography

City (USPS): Stonington
State: Connecticut
Center point: 41.3832° N, 71.9084° W
Land area: 21 sq mi
Water area: 1.8 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Mystic (unincorporated)3% of zip
Stonington2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 06378

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
06372	Old Mystic, CT · PO box	2.2 mi	—	—	—
06379	Pawcatuck, CT	3.2 mi	9,017	$95,066	$406,100
06355	Mystic, CT	3.5 mi	12,173	$137,425	$453,400
06388	West Mystic, CT · PO box	4.4 mi	—	—	—
06339	Ledyard, CT	5.9 mi	9,113	$106,403	$330,500
06359	North Stonington, CT	6.3 mi	5,160	$123,938	$397,100
02891	Westerly, RI	6.4 mi	21,587	$97,110	$470,000
06338	Mashantucket, CT	6.5 mi	27	$137,500	$433,300
06390	Fishers Island, NY	6.7 mi	72	$98,125	—
06340	Groton, CT	7.1 mi	29,863	$81,792	$294,700
02804	Ashaway, RI	8 mi	2,609	$102,118	$355,400
06335	Gales Ferry, CT	8.6 mi	6,307	$118,116	$322,400

Zip codes like 06378 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 06378

What city is zip code 06378?

06378 is assigned to Stonington, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What is the population of 06378?

About 5,555 people live in 06378, according to the Census Bureau's American Community Survey.

What time zone is 06378 in?

06378 is in Eastern Time.

What is the median household income in 06378?

The median household income in 06378 is $135,714.

What zip codes are near 06378?

The closest zip codes to 06378 are 06372, 06379, 06355, 06388, 06339.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 06378, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.