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ZIP Code 11727, New York

ZIP Code 11727 profile, demographic data, and geographic information.

ZCTA5 11727 is a 5-digit ZIP Code area located in Suffolk County, New York. As of official census estimates, it has a reported population of 28,495. The land area covers 9.39 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 28,495 ±1,811 2020-2024 / Census ACS 5-Year 2024
Median Age 43.1 yrs ±3.6 2020-2024 / Census ACS 5-Year 2024
Total Households 11,104 ±615 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 12,018 ±626
Occupied Housing Units 11,104 ±615
Vacant Housing Units 914 ±286
Median Home Value $443,200 ±$14,084
Median Gross Rent $2,479 ±$145
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $103,287 ±$11,899
Per Capita Income $49,320 ±$3,623
Poverty Rate 8% ±2.1%
Population Below Poverty Level 2,260 ±618
Unemployment Rate 5.3% ±1.8%
Civilian Labor Force, Employed 14,803 ±1,387
Broadband Internet Rate 93.1% ±2.4%
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: 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 KG-05 BAYPORT, NY
Regular School Nearby KG-05 SMITHTOWN, NY
Regular School Nearby 06-08 SMITHTOWN, NY
Regular School Nearby 06-08 SHOREHAM, NY
Regular School Nearby KG-02 MILLER PLACE, NY
Regular School Nearby KG-06 ISLANDIA, NY
Regular School Nearby PK-06 CENTRAL ISLIP, NY
Regular School Nearby PK-06 EAST SETAUKET, NY
Regular School Nearby PK-05 PATCHOGUE, NY
Regular School Nearby KG-05 PATCHOGUE, 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
Suffolk County Community College
College 3.5 mi away 533 College Rd, Selden, NY, 11784-2899
6314514110
MIDDLE COUNTRY PUBLIC LIBRARY - SELDEN
Library 1.8 mi away 575 MIDDLE COUNTRY ROAD, SELDEN, NY, 11784
(631) 585-9393
Stony Brook University
College 6.6 mi away 310 Administration Building, Stony Brook, NY, 11794-0701
6316326000
LONGWOOD PUBLIC LIBRARY
Library 3.1 mi away 800 MIDDLE COUNTRY ROAD, MIDDLE ISLAND, NY, 11953
(631) 924-6400
Access Careers-Islandia
College Vocational 10.5 mi away 1930 Veterans Highway, Suite 10, Islandia, NY, 11749-1599
6316309410
COMSEWOGUE PUBLIC LIBRARY
Library 4.0 mi away 170 TERRYVILLE ROAD, PORT JEFFERSON STA., NY, 11776
(631) 928-1212
Eastern Suffolk BOCES
College Vocational 10.7 mi away 30 Greene Avenue, Sayville, NY, 11782
6312334450
MIDDLE COUNTRY PUBLIC LIBRARY - CENTEREACH
Library 4.1 mi away 101 EASTWOOD BOULEVARD, CENTEREACH, NY, 11720
(631) 585-9393
Eastern Suffolk BOCES
College Vocational 10.8 mi away 375 Locust Avenue, Oakdale, NY, 11769-1650
6312334450
SACHEM PUBLIC LIBRARY
Library 5.6 mi away 150 HOLBROOK ROAD, HOLBROOK, NY, 11741
(631) 588-5024
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 MT SINAI, NY US, located 3.7 miles from ZCTA5 11727. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 41.0° 26.3° 33.7° 3.71" —
February 42.9° 27.8° 35.3° 3.20" —
March 50.0° 32.8° 41.4° 4.65" —
April 63.7° 42.8° 53.2° 4.42" —
May 71.7° 51.4° 61.6° 3.89" —
June 78.2° 61.1° 69.6° 3.93" —
July 83.1° 67.5° 75.3° 3.88" —
August 81.8° 67.0° 74.4° 4.02" —
September 74.7° 61.3° 68.0° 4.30" —
October 64.8° 48.8° 56.8° 4.24" —
November 56.0° 40.3° 48.2° 3.70" —
December 46.1° 32.1° 39.1° 4.56" —
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
Coram CDP CDP 0.1 mi —
Selden CDP CDP 2.3 mi —
Gordon Heights CDP CDP 2.5 mi —
Middle Island CDP CDP 2.9 mi —
Terryville CDP CDP 3.1 mi —
Farmingville CDP CDP 3.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 11727. • Official Source Dataset →
  2. 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.
  3. 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.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.