Poospatuck Reservation is a community in Suffolk County, New York, home to about 742 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 11950.
Homes sold for a median of $357 per square foot in the three months ending August 2026, a seller’s market.
Mostly Brookhaven; part is in Poospatuck Reservation
Each card is that ZIP code’s whole market, including any part outside Poospatuck Reservation. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Poospatuck Reservation’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Poospatuck Reservation well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | John F. Kennedy International Airport (JFK)50 miles away |
|---|---|
| Closer regional airport | Long Island MacArthur Airport (ISP)13 miles away |
| Nearest city of 250,000+ | New York, NY57 miles away |
Straight-line distances from the center of Poospatuck Reservation; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Poospatuck Reservation had 436 residents in the 2020 census, up 61% since 2000.
It’s the 934th largest of 1,007 towns in New York by population.
Suffolk County grew from 77,582 residents in 1900 to 1,525,920 in 2020.
Suffolk County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 24°F. About 44.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Shirley Brookhaven Ap, NY weather station (about a mile away).
592,580 jobs at 50,748 businesses in Suffolk County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
42 doctors and other health care providers list an office in Poospatuck Reservation.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 26 |
| Physical and occupational therapists | 7 |
| Optometrists | 2 |
| Chiropractors | 1 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores (2 nearby)
Libraries
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with Brookhaven.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.