All ZIP Codes, Map and Demographics of Stonington, CT

06359 & 06378 are the only ZIP Codes for Stonington, CT

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Data Last Updated: June 1, 2026
ZIP Codes:06359 & 06378 [See All]
Planning Region:Southeastern Ct Planning Region, CT
Area Codes:860,959
Time Zone:Eastern (GMT -05:00)
Local Time:12:00:00 AM
Population:976 (Census Place) [More Demographics]
Statistical Area:Norwich-New London-Willimantic, CT [Learn More]
Coordinates:41.3822, -71.9138
Land Area:75.15 sq miles (ZIP Codes)
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https://www.zip-codes.com/city/ct-stonington.asp

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Stonington, CT has 2 ZIP Codes


ZIP CodeTypePopulationPop% of Population% of PopAlias Names
06359Standard5,14949.19%N Stonington
06378Standard5,31850.81%Lords Point,Shawondassee
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Population & Demographics


Stonington, CT has 10,562 residents, with an average household size of 1.7. The gender split is 50.0% male and 50.0% female - about the same as the national split. By age, the top brackets are 30-34 (7.1%) and 35-39 (8.8%). By race, White and Asian are the largest groups. Hispanic or Latino (of any race) is 8.4%. Those born outside the United States make up 8.5% (lower than the Nation).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.

There are two kinds of demographics shown in the charts for Stonington, CT. Each covers a different geographic boundary and has different criteria for what is included. Learn More

Total Population:5,318
Total Households:2,484
Total Housing Units:5,280
Average Household Size:2.32
Average Family Size:2.78

All ZIP Codes assigned this City name by the USPS.

Total Population:976
Total Households:545
Total Housing Units:780
Average Household Size:1.79
Average Family Size:3.30

Data for the U.S. Census Place.

Population Over Time (with 2010 & 2020 Census Benchmarks)


Line chart of All ZIPs in Stonington, CT population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--10,64510,67510,60610,51110,57710,66810,75810,84610,92610,92010,82110,64810,562
Decennial Census10,712------------------10,467------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 54.8

Male Median Age: 54.9

Female Median Age: 54.6

Line Chart showing the population by Age Group and Gender of all ZIPs in Stonington, Connecticut. One line shows the Total population in that age group, another line shows the Male population for that age group, and the last line shows the Female population for the given age group. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male186246336289239213227267267266400511496454346269123116
Female202233256275207195277252274297439484473436375251130160
Total388479592564446408504519541563839995969890721520253276
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


Pie Chart showing Population by Race for all ZIPs in Stonington, Connecticut. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
White:4,90493.98%
Black:521.00%
Hispanic:*1512.89%
Asian:651.25%
American Indian:50.10%
Hawaiian:00%
Other:410.79%
Total:5,218100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


Pie chart showing Male vs Demale share of the population. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
GenderCountPercentageMedian Age
Males:2,61849.23%54.9 years
Females:2,70050.77%54.6 years
Total:5,318100%54.8 years

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:10,07995.43%
Native, born in PR, Island Areas, or abroad:290.27%
Foreign born, naturalized U.S. citizen:3523.33%
Foreign born, not a U.S. citizen:1024.30%
Total Population:10,562100%
Total Native Population:10,10895.70%
Total Foreign-born Population:4544.30%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


ZIP Codes in Stonington, CT have an average household income of $120,541 (much higher than the State by 28.6%, and much higher than the Nation by 53.5%). Family vs nonfamily earnings show a significant gap ($149,267 vs $60,664). Employment participation is much lower than the Nation (63.3%). The unemployment rate is 5.8%, which is higher than the Nation (5.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Line Chart showing Median Income Estimates from 2011 until 2024 of Median Household Income, Median Family Income, Median Nonfamily Income, Median Male Income, and Median Female Income for all ZIPs in Stonington, Connecticut. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Income Type2011210220132014201520162017201820192020202120222023
Median Household Income$81,607$84,682$87,268$85,170$82,628$84,490$85,939$84,790$83,484$81,507$94,014$102,707$120,541
Median Family Income$92,675$100,557$97,617$97,157$94,621$102,225$101,645$109,906$102,778$100,639$113,926$136,942$149,267
Median NonFamily Income$56,882$54,978$55,440$50,720$44,649$45,970$46,027$47,899$49,906$53,430$51,987$56,282$60,664
Median Male Income$59,760$66,957$62,961$61,575$64,361$67,798$70,495$75,271$77,773$79,890$86,134$94,762$98,675
Median Female Income$52,947$54,546$46,198$47,590$46,810$44,910$51,033$57,436$56,066$50,062$63,628$69,285$80,615
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Bar Chart showing Average Household Income for all ZIPs in Stonington, CT, the U.S. Census Place, Southeastern Ct Planning Region, the state of Connecticut, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employment status for all ZIPs in Stonington, CT: employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Employed:5,51259.84%
Unemployed:2462.67%
Not In Labor Force:3,45337.49%
Total:9,211100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:2,93453.23%
Service:1,00318.20%
Sales and Office:83215.09%
Natural resources, construction, and maintenance:3887.04%
Production, transportation, and material moving:3556.44%
Total Civilian Employed Population:5,512100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In Stonington, CT, the median home value is $576,200 - much higher than the State by 67.9%, and up $161,200 (38.8%) since 2020. Renters pay an average of $1,720 per month - much higher than the State by 20.2%, and up $345 (25.1%) since 2020. Most renters in Stonington pay $1,000-$1,499 (58.2%). About 1.8% pay under $1,000 and 18.7% pay $2,000+; the under $1,000 share is much lower than the Nation. Of occupied housing, owners make up 58.8% (55.8% have a mortgage) and renters make up 41.2% - owners are much lower than the Nation.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Bar Chart showing median House Value for all ZIPs in Stonington, Connecticut, the U.S. Census Place, Southeastern Ct Planning Region, Connecticut, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Median Home Value Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
Median Home Value$436,700$430,300$413,800$406,800$391,900$404,100$417,500$403,400$428,700$415,000$456,100$522,200$576,200
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:141.76%
$1,000 to $1,499:28335.64%
$1,500 to $1,999:10012.59%
$2,000 to $2,499:23028.97%
$2,500 to $2,999:293.65%
$3,000 or more:00.00%
No Rent:13817.38%
Total:794100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
Median Rent$1,218$1,155$1,264$1,266$1,262$1,339$1,414$1,362$1,393$1,375$1,369$1,546$1,720
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2,37350.92%
Owner Occupied (free and clear, no mortgage):1,49332.04%
Renter Occupied:79417.04%
Total Occupied Housing Units:4,660100%

Occupied Housing Units:4,66086.04%
Vacant Housing Units (not graphed):75613.96%
Total Housing Units:5,416100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


71.9% of adults (25+) have a bachelor-s degree or higher, well above the state rate (41.9%) and well above the national average (35.0%). High school or higher is 100.0%, which is well above the state rate (91.3%). The share of people in poverty is 2.0%, which is below the state rate (6.8%) and below the national rate (8.7%), down 1.8 percentage points since 2011 and down 1.9 percentage points from its 2019 pre-pandemic level.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:630.76%
9th to 12th grade, no diploma:1381.66%
High school graduate (includes equivalency):1,61619.48%
Some college, no degree:1,46617.67%
Associate's degree:8199.87%
Bachelor's degree:2,10225.34%
Graduate or professional degree:2,09125.21%
Total:8,295100%
High school graduate or higher:8,09497.58%
Bachelor's degree or higher:4,19350.55%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:8,48266.43%
Public Insurance:3,96631.06%
No Insurance:3212.51%
Total:12,769100%
Has Health Insurance:12,44897.49%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty3.8%1.6%2.3%3.1%5.4%5.4%4.5%3.7%3.9%0.9%0.8%1.3%2.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:794.05%
Kindergarten:1236.31%
Elementary school (grades 1-8):54027.69%
High school (grades 9-12):56528.97%
College or graduate school:64332.97%
Total:1,950100%
Early Childhood:20210.36%
K-12 (Primary & Secondary School):1,22862.97%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


Stonington supports both business and residential activity. According to the Business Census (2024), there are 162 business establishments, employing about 1,228 people with an annual payroll of $77,152,000. USPS data shows 2,760 residential mailboxes and 239 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:2,760Source: USPS
# Business Mailboxes:239Source: USPS
Total Delivery Receptacles:3,177Source: USPS
Single Family Delivery Units:2,629Source: USPS
Multi Family Delivery Units:63Source: USPS
# of Businesses:162Source: CBP
1st Quarter Payroll:$16,525,000Source: CBP
Annual Payroll:$77,152,000Source: CBP
# of Employees:1,228Source: CBP

All ZIP Codes assigned this City name by the USPS.

Geography, Land Area, and Statistical Classifications


Stonington, CT is located in Southeastern Ct Planning Region, within the Norwich-New London-Willimantic, CT Metropolitan Statistical Area (CBSA 35980) and spans 2 of Connecticut's 2nd and 15th Congressional Districts. This Metro area has a population of 279,025 people, about 3.8% of whom live in Stonington. ZIP Codes here cover 75.149 sq mi of land and a water area of 2.477 sq mi.

CBSA Name:Norwich-New London-Willimantic, CTSource: Census
CBSA Number:35980Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:279,025Source: Census
MSA:New London-Norwich, CT-RI MSASource: Census
PMSA:--Source: Census
Land Area:75.149 sq miSource: Census
Water Area:2.477 sq miSource: Census
Congressional District(s):02,15Source: USPS
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:73700Source: Census
Place Name:Stonington borough; ConnecticutSource: Census

Sum of all ZIP Codes assigned this City name by the USPS.

Adjacent & Nearby Cities from Stonington, CT


  1. Pawcatuck, CT~2.8 miles
  2. Mystic, CT~3.2 miles
  3. Westerly, RI~6.0 miles
  4. Ledyard, CT~6.1 miles
  5. North Stonington, CT~6.2 miles
  6. Groton, CT~6.7 miles
  7. Gales Ferry, CT~8.6 miles
  8. Ashaway, RI~8.7 miles
  9. Bradford, RI~9.1 miles
  10. Hopkinton, RI~9.8 miles
  11. Preston, CT~10.1 miles
  12. New London, CT~10.3 miles
  13. Quaker Hill, CT~11.3 miles
  14. Wood River Junction, RI~12.3 miles
  15. Uncasville, CT~12.5 miles
  16. Hope Valley, RI~12.6 miles
  17. Montville, CT~12.8 miles
  18. Waterford, CT~12.9 miles
  19. Charlestown, RI~13.0 miles
  20. Jewett City, CT~13.7 miles

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on June 1, 2026.

  1. U.S. Postal Service [Last Updated: 6/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 6/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 6/1/2026], https://nces.ed.gov