Shelter Island town, New York
Shelter Island town profile, demographic data, and geographic information.
Shelter Island town is a geographic entity located in Suffolk County, New York. As of official census estimates, it has a reported population of 3,351. The land area covers 12.20 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,351 | — | 2025 / Census |
| Median Age | 50 yrs | ±17.3 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,381 | ±239 | 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 | 3,440 | ±300 |
| Occupied Housing Units | 1,381 | ±239 |
| Vacant Housing Units | 2,059 | ±192 |
| Median Home Value | $1,104,300 | ±$107,183 |
| Median Gross Rent | Suppressed | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $133,967 | ±$47,985 |
| Per Capita Income | $65,263 | ±$17,256 |
| Poverty Rate | 6% | ±5.9% |
| Population Below Poverty Level | 199 | ±198 |
| Unemployment Rate | 7.1% | ±6.9% |
| Civilian Labor Force, Employed | 1,608 | ±404 |
| Broadband Internet Rate | 58.2% | ±22.3% |
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: 3,316 (2024)
ID: 171025
|
Township | Official Local Government |
Contact: SUPERVISOR, TOWN OF SHELTER ISLAND
PO BOX 970, SHELTER ISLAND NY 11964-0970
|
|
GUS Population: 1,535,909 (2024)
ID: 170437
|
County | Official County Government |
Contact: MUNICIPAL LAW BUREAU CHIEF
PO BOX 6100, HAUPPAUGE NY 11788-0099
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK-08 | AMAGANSETT, NY | |
| Regular School Nearby | PK-12 | BRIDGEHAMPTON, NY | |
| Regular School Nearby | 09-12 | EAST HAMPTON, NY | |
| Regular School Nearby | 06-08 | EAST HAMPTON, NY | |
| Regular School Nearby | PK-12 | FISHERS ISLAND, NY | |
| Regular School Nearby | PK-06 | GREENPORT, NY | |
| Regular School Nearby | 07-12 | GREENPORT, NY | |
| Regular School Nearby | KG-04 | HAMPTON BAYS, NY | |
| Regular School Nearby | 09-12 | HAMPTON BAYS, NY | |
| Regular School Nearby | 05-08 | HAMPTON BAYS, NY |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Mitchell College
|
College | 21.2 mi away | 437 Pequot Avenue, New London, CT, 06320 |
8607015000
|
|
SHELTER ISLAND PUBLIC LIBRARY SOCIETY
|
Library | 2.3 mi away | 37 NORTH FERRY ROAD, SHELTER ISLAND, NY, 11964 |
(631) 749-0042
|
|
University of Connecticut-Avery Point
|
College | 21.4 mi away | 1084 Shennecossett Rd, Groton, CT, 06340-6097 |
8604059000
|
|
JOHN JERMAIN MEMORIAL LIBRARY
|
Library | 4.4 mi away | 201 MAIN STREET, SAG HARBOR, NY, 11963 |
(631) 725-0049
|
|
Eastern Suffolk BOCES
|
College Vocational | 21.6 mi away | 970 North Griffing Avenue, Riverhead, NY, 11901-2763 |
6312334450
|
|
FLOYD MEMORIAL LIBRARY
|
Library | 4.6 mi away | 539 FIRST STREET, GREENPORT, NY, 11944 |
(631) 477-0660
|
|
United States Coast Guard Academy
|
College | 24.0 mi away | 15 Mohegan Avenue, New London, CT, 06320 |
8604448444
|
|
SOUTHOLD FREE LIBRARY
|
Library | 6.9 mi away | 53705 MAIN ROAD, SOUTHOLD, NY, 11971 |
(631) 765-2077
|
|
Connecticut College
|
College | 24.2 mi away | 270 Mohegan Avenue, New London, CT, 06320-4196 |
8604471911
|
|
THE HAMPTON LIBRARY IN BRIDGEHAMPTON
|
Library | 8.5 mi away | 2478 MAIN STREET, BRIDGEHAMPTON, NY, 11932 |
(631) 537-0015
|
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 BRIDGEHAMPTON, NY US, located 7.5 miles from Shelter Island town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 38.5° | 23.0° | 30.7° | 4.05" | 7.2" |
| February | 39.7° | 23.6° | 31.6° | 3.61" | 8.6" |
| March | 45.7° | 29.7° | 37.7° | 4.94" | 6.0" |
| April | 55.3° | 38.1° | 46.7° | 4.34" | 0.8" |
| May | 65.1° | 47.4° | 56.2° | 3.57" | 0.0" |
| June | 74.5° | 57.1° | 65.8° | 3.86" | 0.0" |
| July | 80.6° | 63.5° | 72.0° | 3.16" | 0.0" |
| August | 79.5° | 62.2° | 70.9° | 3.94" | 0.0" |
| September | 72.8° | 55.6° | 64.2° | 4.79" | 0.0" |
| October | 62.6° | 44.8° | 53.7° | 4.72" | 0.0" |
| November | 52.6° | 36.0° | 44.3° | 3.81" | 0.1" |
| December | 44.0° | 28.3° | 36.1° | 4.97" | 4.1" |
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 |
|---|---|---|---|
| Shelter Island CDP | CDP | 0.4 mi | — |
| North Haven village | Village | 2.7 mi | — |
| Dering Harbor village | Village | 3.2 mi | — |
| Shelter Island Heights CDP | CDP | 3.3 mi | — |
| Greenport village | Village | 4.6 mi | — |
| Sag Harbor village | Village | 4.6 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3610366839. • 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.