Groton town, Connecticut
Groton town profile, demographic data, and geographic information.
Groton town is a geographic entity located in Southeastern Connecticut Planning Region, Connecticut. As of official census estimates, it has a reported population of 39,138. The land area covers 31.11 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 39,138 | — | 2025 / Census |
| Median Age | 36.8 yrs | ±2.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 16,374 | ±541 | 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 | 18,155 | ±543 |
| Occupied Housing Units | 16,374 | ±541 |
| Vacant Housing Units | 1,781 | ±301 |
| Median Home Value | $340,100 | ±$17,454 |
| Median Gross Rent | $1,602 | ±$55 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $88,284 | ±$5,289 |
| Per Capita Income | $51,281 | ±$2,940 |
| Poverty Rate | 10.6% | ±1.9% |
| Population Below Poverty Level | 3,886 | ±676 |
| Unemployment Rate | 5.2% | ±1.8% |
| Civilian Labor Force, Employed | 17,124 | ±832 |
| Broadband Internet Rate | 91% | ±0.6% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 38,762 (2024)
ID: 161502
|
Township | Official Local Government |
Contact: MARK OEFINGER, TOWN MANAGER
45 FORT HILL RD, GROTON CT 06340-4360
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Groton | PK-05 | Groton, CT | |
| Regular School Groton | PK-05 | Groton, CT | |
| Career and Technical School Groton | 09-12 | Groton, CT | |
| Regular School Groton | 06-08 | Groton, CT | |
| Regular School Groton | 09-12 | Groton, CT | |
| Regular School Groton | 09-12 | Groton, CT | |
| Regular School Groton | PK-05 | Groton, CT | |
| Regular School Nearby | 05-08 | New London, CT | |
| Regular School Nearby | PK-05 | New London, CT | |
| 4 Nearby | 3-17 | WATERFORD, 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 | 0.1 mi away | 52 NEWTOWN ROAD, ROUTE 117, GROTON, CT, 06340 |
(860) 441-6750
|
|
Mitchell College
|
College | 3.6 mi away | 437 Pequot Avenue, New London, CT, 06320 |
8607015000
|
|
BILL MEMORIAL LIBRARY
|
Library | 2.6 mi away | 240 MONUMENT ST., GROTON, CT, 06340 |
(860) 445-0392
|
|
United States Coast Guard Academy
|
College | 4.1 mi away | 15 Mohegan Avenue, New London, CT, 06320 |
8604448444
|
|
MYSTIC & NOANK LIBRARY
|
Library | 3.0 mi away | 40 LIBRARY ST., GROTON, CT, 06355 |
(860) 536-7721
|
|
Connecticut College
|
College | 4.5 mi away | 270 Mohegan Avenue, New London, CT, 06320-4196 |
8604471911
|
|
PUBLIC LIBRARY OF NEW LONDON
|
Library | 3.6 mi away | 63 HUNTINGTON ST., NEW LONDON, CT, 06320 |
(860) 447-1411
|
|
WATERFORD PUBLIC LIBRARY
|
Library | 5.4 mi away | 49 ROPE FERRY RD., WATERFORD, CT, 06385 |
(860) 444-5805
|
|
FISHERS ISLAND LIBRARY ASSOCIATION
|
Library | 6.0 mi away | 988 ORIENTAL AVENUE, FISHERS ISLAND, NY, 06390 |
(631) 788-7362
|
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 0.4 miles from Groton town. 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 | 0.9 mi | — |
| Poquonock Bridge CDP | CDP | 1.3 mi | — |
| Noank CDP | CDP | 1.9 mi | — |
| Groton city | City | 2.4 mi | — |
| Groton Long Point borough | Borough | 2.6 mi | — |
| Conning Towers-Nautilus Park CDP | CDP | 3.3 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 0918034250. • 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.