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ZIP Code 11901, New York

ZIP Code 11901 profile, demographic data, and geographic information.

ZCTA5 11901 is a 5-digit ZIP Code area located in Suffolk County, New York. As of official census estimates, it has a reported population of 33,091. The land area covers 56.70 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 33,091 ±1,383 2020-2024 / Census ACS 5-Year 2024
Median Age 46.5 yrs ±4.4 2020-2024 / Census ACS 5-Year 2024
Total Households 12,085 ±616 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 13,578 ±647
Occupied Housing Units 12,085 ±616
Vacant Housing Units 1,493 ±311
Median Home Value $453,800 ±$21,033
Median Gross Rent $2,196 ±$155
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $85,061 ±$11,902
Per Capita Income $39,728 ±$3,059
Poverty Rate 14.1% ±2.9%
Population Below Poverty Level 4,485 ±948
Unemployment Rate 5.2% ±1.5%
Civilian Labor Force, Employed 14,422 ±1,090
Broadband Internet Rate 91.2% ±2.1%
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 06-08 SHOREHAM, NY
Regular School Nearby PK-05 AQUEBOGUE, NY
Regular School Nearby 09-12 BROOKHAVEN, NY
Regular School Nearby PK-03 BROOKHAVEN, NY
Regular School Nearby KG-04 YAPHANK, NY
Regular School Nearby 09-12 CENTER MORICHES, NY
Regular School Nearby 06-08 CENTER MORICHES, NY
Regular School Nearby KG-05 CENTER MORICHES, NY
Regular School Nearby 03-06 MANORVILLE, NY
Regular School Nearby PK-06 EAST MORICHES, 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
Eastern Suffolk BOCES
College Vocational 1.2 mi away 970 North Griffing Avenue, Riverhead, NY, 11901-2763
6312334450
RIVERHEAD FREE LIBRARY
Library 1.3 mi away 330 COURT STREET, RIVERHEAD, NY, 11901
(631) 727-3228
Suffolk County Community College
College 22.0 mi away 533 College Rd, Selden, NY, 11784-2899
6314514110
BAITING HOLLOW FREE LIBRARY
Library 5.0 mi away 4 WARNER DRIVE, CALVERTON, NY, 11933
(631) 727-8765
Stony Brook University
College 24.7 mi away 310 Administration Building, Stony Brook, NY, 11794-0701
6316326000
MATTITUCK-LAUREL LIBRARY
Library 7.6 mi away 13900 MAIN ROAD, MATTITUCK, NY, 11952
(631) 298-4134
TIGI Hairdressing Academy Guilford
College Vocational 24.9 mi away 860 Boston Post Road, Guilford, CT, 06437
2034583334
HAMPTON BAYS PUBLIC LIBRARY
Library 7.7 mi away 52 PONQUOGUE AVENUE, HAMPTON BAYS, NY, 11946
(631) 728-6241
QUOGUE LIBRARY
Library 8.0 mi away 90 QUOGUE STREET, QUOGUE, NY, 11959
(631) 653-4224
WESTHAMPTON FREE LIBRARY
Library 8.2 mi away 7 LIBRARY AVENUE, WESTHAMPTON BEACH, NY, 11978
(631) 288-3335
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 RIVERHEAD RSCH FARM, NY US, located 4.3 miles from ZCTA5 11901. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 39.7° 26.0° 32.9° 3.79" —
February 41.3° 26.9° 34.1° 3.31" —
March 48.3° 32.7° 40.5° 4.72" —
April 59.8° 41.5° 50.7° 4.08" —
May 70.2° 51.0° 60.6° 3.60" —
June 78.6° 60.6° 69.6° 3.82" —
July 83.9° 66.9° 75.4° 3.05" —
August 82.3° 66.1° 74.2° 3.93" —
September 75.7° 60.2° 68.0° 4.07" —
October 64.9° 49.5° 57.2° 4.46" —
November 54.0° 40.0° 47.0° 3.81" —
December 44.9° 31.9° 38.4° 4.58" —
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
Riverside CDP CDP 2.0 mi —
Riverhead CDP CDP 2.2 mi —
Aquebogue CDP CDP 2.5 mi —
Northville CDP CDP 3.4 mi —
Flanders CDP CDP 3.6 mi —
Northampton CDP CDP 4.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 11901. • 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.