Residential delivery area · Connecticut
ZIP Code 06339: Ledyard, CT
ZIP code 06339 uses the postal name Ledyard, Connecticut and lies entirely in New London County (Census 2020 ZIP-county file). About 9,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $106,403 (Census Bureau, ACS 2020-2024). Its land lies mostly outside any Census place; 3% is in small places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Ledyard · its only residential ZIP
- County
- New London County
- House district
- CT-2 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 25.6 sq mi · 356 people per sq mi
Where is ZIP code 06339?
06339 centers on 41.442°, -71.991° and covers 25.6 square miles of land plus 0.6 of water. It borders 7 ZIP codes: 06338, 06335, 06355, 06365, 06378, 06359, 06340.
The map draws ZIP code areas only. For the streets inside 06339, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 06339 compare with the rest of New London County?
| Measure | 06339 | In New London County | In CT |
|---|---|---|---|
| People (ACS 2020-2024) | 9,113 | 11th of 33 | 137th of 288 |
| Median household income | $106k | 14th of 26 | 122nd of 228 |
| Median home value | $331k | 15th of 26 | 157th of 245 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 69% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 06339?
The 2020 Census counted 8,346 people in 06339; the ACS, which samples households over 2020-2024, estimates 9,113. Between the 2010 and 2020 censuses its population grew 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 9,113
- 2020 Census count
- 8,346+0.5% since 2010 (8,302)
- Households
- 3,344
- Median age
- 37.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 06339?
Of the 9,113 people the ACS estimates in 06339, 25.7% are under 18 and 18.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.8%), then Hispanic or Latino (13.8%).
- Under 1825.7%
- 18 to 6455.9%
- 65 and older18.3%
- White, not Hispanic70.8%
- Hispanic or Latino13.8%
- Other or two or more11.2%
- Black, not Hispanic4.0%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 06339 earn?
Median household income is $106,403 (ACS 2020-2024), the 14th highest of the 26 ranked ZIP codes in New London County. It is not measurably different from 2015-2019 ($114,881 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $106,403±$14,606
- Income per person
- $46,556
- Below the poverty line
- 2.6%
- Unemployed (of the labor force)
- 1.1%
- Adults 25+ with a bachelor's degree
- 37.6%
- Adjusted gross income per tax return, 2022
- $88,3504,270 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 06339?
FHFA's house price index for 06339, built from repeat sales and appraisals of the same homes, rose 97% from 2015 to 2025 and rose 72% from 2020 to 2025, and moved +10.7% in 2025.
- Median home value (owners' estimate)
- $330,500
- Median gross rent
- $1,244
- Homes owned by their occupants
- 83.8%
- Housing units
- 3,420
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 06339?
82 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade12
- Construction11
- Accommodation and food services10
- Administrative and support and waste management and remediation services9
- Health care and social assistance9
- Other services (except public administration)9
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 06339?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06338 | Mashantucket | 27 | $138k | 1.8 mi |
| 06335 | Gales Ferry | 6,307 | $118k | 3.6 mi |
| 06355 | Mystic | 12,173 | $137k | 5.4 mi |
| 06365 | Preston | 4,807 | $117k | 5.4 mi |
| 06378 | Stonington | 5,555 | $136k | 5.9 mi |
| 06359 | North Stonington | 5,160 | $124k | 6.4 mi |
| 06340 | Groton | 29,863 | $82k | 6.6 mi |
| 06382 | Uncasville | 10,143 | $90k | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.