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| City | Deer Park |
| State | New York (NY) |
| County | Suffolk |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.761765 |
| Longitude | -73.329286 |
| Population | 27,990 |
| Density | 1710.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 11729 |
| Area Code | 516 |
| County Seat | Riverhead |
| School District | Deer Park Union Free School District |
Deer Park is a locality in Suffolk County, New York, United States. It has a population of 27,990. The population density is 1710.9 people per km². Deer Park is located at 40.7618°N, 73.3293°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 11729.
Deer Park stretches across a landscape of rolling terrain, a gentle rise and fall that hints at the glacial history of Long Island. It lies 3.3 miles north-north-east of West Babylon, NY (from West Babylon, NY: bearing 23°T), and is situated 6.6 miles west-north-west of Islip. The air here often carries the faint, sweet scent of pine, particularly in the denser woodland sections where sunlight struggles to pierce the canopy, dappling the leaf-strewn ground in shifting patterns. Wide, open lawns dot the residential areas, a testament to a time when space was more abundant, and the sidewalks, worn smooth by countless footsteps, bear witness to the quiet ebb and flow of daily life. You can feel the proximity of the Atlantic, even miles inland, in the quality of the light that softens and lengthens as dusk approaches, painting the sky in hues of peach and lavender over the modest homes and manicured hedges. The story of Deer Park is one of agricultural roots giving way to suburban growth, a common thread woven through much of this part of Suffolk County. Originally farmland, its transformation began in earnest with the post-war boom, attracting families seeking a quieter life within reach of the city's pulse. While agriculture has largely receded, replaced by housing developments and commercial centers, the echoes of its past remain in the names of streets and the occasional lingering open field. The local economy now leans heavily on retail and service industries, with major shopping centers drawing people from surrounding communities, a far cry from the agrarian rhythms of its founding. Yet, there's a distinct character to Deer Park, a sense of established neighborhoods where children still ride bikes and neighbors know each other's names, a quiet persistence of community spirit amidst the modern conveniences.
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This page provides an embedded street and satellite map of Deer Park, New York — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.761765, -73.329286. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Deer Park and Suffolk County.
Detailed location data for Deer Park includes the ZIP code (11729), telephone area code (516), county seat of Suffolk County (Riverhead), and school district assignment (Deer Park Union Free School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Deer Park is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |