ZIP Code 06340, Connecticut
ZIP Code 06340 profile, demographic data, and geographic information.
ZCTA5 06340 is a 5-digit ZIP Code area located in Connecticut. As of official census estimates, it has a reported population of 29,863. The land area covers 22.54 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 29,863 | ±671 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 33.7 yrs | ±1.2 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 12,879 | ±534 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 14,359 | ±552 |
| Occupied Housing Units | 12,879 | ±534 |
| Vacant Housing Units | 1,480 | ±277 |
| Median Home Value | $294,700 | ±$19,934 |
| Median Gross Rent | $1,599 | ±$56 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $81,792 | ±$3,662 |
| Per Capita Income | $47,211 | ±$3,120 |
| Poverty Rate | 12.7% | ±2.3% |
| Population Below Poverty Level | 3,597 | ±665 |
| Unemployment Rate | 5.5% | ±2.2% |
| Civilian Labor Force, Employed | 13,332 | ±729 |
| Broadband Internet Rate | 89.7% | ±1.1% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 05-08 | New London, CT | |
| Regular School Nearby | PK-05 | New London, CT | |
| Regular School Nearby | PK-05 | Groton, CT | |
| Special Education School Nearby | PK | Old Lyme, CT | |
| Regular School Nearby | PK-05 | Groton, CT | |
| Regular School Nearby | 06-08 | Waterford, CT | |
| Regular School Nearby | PK-05 | Stonington, CT | |
| Regular School Nearby | PK-05 | Oakdale, CT | |
| Regular School Nearby | 09-12 | East Lyme, CT | |
| Regular School Nearby | 05-08 | Niantic, CT |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
University of Connecticut-Avery Point
|
College | 2.8 mi away | 1084 Shennecossett Rd, Groton, CT, 06340-6097 |
8604059000
|
|
GROTON PUBLIC LIBRARY
|
Library | 0.7 mi away | 52 NEWTOWN ROAD, ROUTE 117, GROTON, CT, 06340 |
(860) 441-6750
|
|
Mitchell College
|
College | 3.3 mi away | 437 Pequot Avenue, New London, CT, 06320 |
8607015000
|
|
BILL MEMORIAL LIBRARY
|
Library | 2.1 mi away | 240 MONUMENT ST., GROTON, CT, 06340 |
(860) 445-0392
|
|
United States Coast Guard Academy
|
College | 3.6 mi away | 15 Mohegan Avenue, New London, CT, 06320 |
8604448444
|
|
PUBLIC LIBRARY OF NEW LONDON
|
Library | 3.1 mi away | 63 HUNTINGTON ST., NEW LONDON, CT, 06320 |
(860) 447-1411
|
|
Connecticut College
|
College | 4.0 mi away | 270 Mohegan Avenue, New London, CT, 06320-4196 |
8604471911
|
|
MYSTIC & NOANK LIBRARY
|
Library | 3.4 mi away | 40 LIBRARY ST., GROTON, CT, 06355 |
(860) 536-7721
|
|
WATERFORD PUBLIC LIBRARY
|
Library | 5.0 mi away | 49 ROPE FERRY RD., WATERFORD, CT, 06385 |
(860) 444-5805
|
|
GALES FERRY PUBLIC LIBRARY
|
Library | 5.8 mi away | 18 HURLBUTT RD., LEDYARD, CT, 06339 |
(860) 464-6943
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at GROTON, CT US, located 0.2 miles from ZCTA5 06340. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 38.8° | 23.8° | 31.3° | 3.91" | 5.8" |
| February | 40.8° | 24.9° | 32.9° | 3.42" | 8.3" |
| March | 47.3° | 31.6° | 39.5° | 4.92" | 3.9" |
| April | 56.9° | 40.9° | 48.9° | 4.40" | 0.8" |
| May | 66.4° | 49.9° | 58.1° | 3.67" | 0.0" |
| June | 75.2° | 59.3° | 67.3° | 3.93" | 0.0" |
| July | 80.8° | 65.9° | 73.4° | 3.42" | 0.0" |
| August | 79.8° | 65.1° | 72.5° | 4.19" | 0.0" |
| September | 73.6° | 58.0° | 65.8° | 4.29" | 0.0" |
| October | 63.3° | 47.1° | 55.2° | 4.42" | 0.0" |
| November | 53.2° | 37.9° | 45.5° | 3.75" | 0.5" |
| December | 44.1° | 29.5° | 36.8° | 4.59" | 5.2" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Long Hill CDP | CDP | 0.4 mi | — |
| Poquonock Bridge CDP | CDP | 1.8 mi | — |
| Groton city | City | 2.3 mi | — |
| Noank CDP | CDP | 2.5 mi | — |
| Conning Towers-Nautilus Park CDP | CDP | 2.8 mi | — |
| Groton Long Point borough | Borough | 3.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 06340. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.