Postal Codes

06339 ZIP Code

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ZIP code 06339 covers Ledyard, Connecticut, with a population of about 9,263 and a median household income of $104,963.

Population
9,263362 per square mile
Median age
37.41.3 points below the US average
Median household income
$104,9631.1× the Connecticut median
Poverty rate
2.8%9.6 points below the US average
Typical home value
$419,422up 43.6% in five years
Degree or higher
37.7%2.7 points above the US average
Homeownership
88.1%23.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
84

Where 06339 is

Ledyard, Connecticut — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population9,263
Median age37.4
Family households63%
Born outside the US4.5%
Speaks a language other than English at home8.9%
White (non-Hispanic)79.7%
Black (non-Hispanic)2%
Asian (non-Hispanic)2.5%
Hispanic or Latino9.4%
Veterans13.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$104,963
Income per person$45,783
Poverty rate2.8%
Households on SNAP or cash assistance3.9%

Household income distribution

Under $10k2.9%
$10–15k1.0%
$15–20k2.5%
$20–25k3.0%
$25–30k1.6%
$30–35k2.2%
$35–40k0.8%
$40–45k3.9%
$45–50k5.1%
$50–60k5.7%
$60–75k5.1%
$75–100k12.9%
$100–125k17.5%
$125–150k7.2%
$150–200k11.3%
$200k or more17.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,270
Mean adjusted gross income$88,350
Returns declaring $200,000 or more7.7%
Returns, under $25k20.1%
Returns, $25k–$50k19.9%
Returns, $50k–$75k15.9%
Returns, $75k–$100k11.9%
Returns, $100k–$200k24.4%
Returns, $200k or more7.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$284,400
Rent as a share of household income22.2%
Owner-occupied88.1%
Vacant homes3.5%
Median year built1973

What the homes are

Detached house84.1%
Attached house5.9%
2 to 4 units6.3%
5 to 19 units1.2%
20 or more units0.4%
Mobile home2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$419,422as of 2026-07
Typical home value, 1 yearup 7.8%
Typical home value, 5 yearsup 43.6%
Typical home value, 10 yearsup 91.2%
Typical home value since 2000
200020132026$419,422$155,932

$155,932 in 2000 to $419,422 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher37.7%
High school diploma or higher96.2%
Works from home5%
Drives to work alone83.3%
Takes public transport0%
Commutes 45 minutes or more11.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.6% 2.8 pts below the national average of 33.4%
Diagnosed diabetes8.6% 3.4 pts below the national average of 12%
Currently smokes9.3% 3.9 pts below the national average of 13.2%
High blood pressure32.9% 1.2 pts below the national average of 34.1%
Fair or poor general health14.2% 6.1 pts below the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity22.1% 3.3 pts below the national average of 25.4%
Arthritis26.1% 1 pts above the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication76.1% 1.4 pts above the national average of 74.7%
Cancer (non-skin)9% 1.3 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease5.5% 0.7 pts below the national average of 6.2%
Routine check-up in past year81.2% 4.5 pts above the national average of 76.7%
Cholesterol screening90.4% 4.5 pts above the national average of 85.9%
Cognitive disability12% 2.8 pts below the national average of 14.8%
Colorectal screening73.4% 9.1 pts above the national average of 64.3%
COPD5.4% 1.2 pts below the national average of 6.6%
Visited a dentist73% 11.7 pts above the national average of 61.3%
Any disability25.4% 5.3 pts below the national average of 30.7%
Lacks emotional support22.9% 1.9 pts below the national average of 24.8%
Food insecurity9.3% 7.8 pts below the national average of 17.1%
Received food stamps6.8% 7.5 pts below the national average of 14.3%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol35.7% 0.5 pts below the national average of 36.2%
Housing insecurity8.6% 5.2 pts below the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use80.7% 4.8 pts above the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability10.2% 3.8 pts below the national average of 14%
Poor physical health (14+ days)12% 1.5 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours36.7% same as the national average of 36.4%
Stroke2.9% 0.5 pts below the national average of 3.4%
All natural teeth lost10.1% 2.9 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments84
People employed721
Annual payroll$28,671,000
Compared with Connecticut and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPConnecticutUnited States
Median household income$104,963$93,760$78,538
Income per person$45,783$54,409$43,289
Poverty rate2.8%10%12.4%
Median home value$284,400$343,200$303,400
Median gross rent$1,431$1,348
Homeownership88.1%66.2%65%
Bachelor's degree or higher37.7%41.9%35%
Unemployment rate1.3%5.6%5.2%
Works from home5%14.4%13.5%
Born outside the US4.5%15.4%13.9%
Median age37.441.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationGROTON, CT US10.6 km away
Rain in a year49 in
Snow in a year24 in

Average high and low by month

January38.8°F / 23.8°F3.91 in rain, 5.8 in snow
February40.8°F / 24.9°F3.42 in rain, 8.3 in snow
March47.3°F / 31.6°F4.92 in rain, 3.9 in snow
April56.9°F / 40.9°F4.4 in rain, 0.8 in snow
May66.4°F / 49.9°F3.67 in rain
June75.2°F / 59.3°F3.93 in rain
July80.8°F / 65.9°F3.42 in rain
August79.8°F / 65.1°F4.19 in rain
September73.6°F / 58°F4.29 in rain
October63.3°F / 47.1°F4.42 in rain
November53.2°F / 37.9°F3.75 in rain, 0.5 in snow
December44.1°F / 29.5°F4.59 in rain, 5.2 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Ledyard School District98.3% of this ZIP code's land area
Preston School District1.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Walkability5.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

06338 Mashantucket, CT5.1 km away
06335 Gales Ferry, CT6.1 km away
06372 Old Mystic, CT6.9 km away
06355 Mystic, CT8.9 km away
06349 Groton, CT9.1 km away
06365 Preston, CT9.2 km away
06382 Uncasville, CT10.1 km away
06359 North Stonington, CT10.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

New London County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area25.6 sq mi
Water area0.6 sq mi
Population density362 people per sq mi
Latitude, longitude41.4401, -71.9956

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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