ZIP code · Deer Park · New York · United States

ZIP code 11729 — Deer Park

ZIP code 11729 serves Deer Park, New York.

Postal code
11729
Single source Value from one source, not cross-checked.
City
Deer Park
County
Suffolk FIPS 36103
State
New York
Country
United States
Coordinates
40.7591, -73.3257 — precision precise (locality)
View on OpenStreetMap
Population
26,647 (ZCTA, ACS 5-year)
Population density
4,300 / sq mi
Land area
6.2 sq mi (16.1 km²) (ZCTA, ACS 5-year)
Median household income
$138,350
Per-capita income
$54,193
Median age
42.2
Households
8,661
Housing units
9,104
Median home value
$496,100
Median gross rent
$1,889 / month
Congressional district
NY-2 (119th Congress)
USDA hardiness zone
7b (5 to 10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
631, 934
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 83°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394148586877838275645344
Avg low °F252633425161686760483831
Precip in2.72.03.53.63.23.53.03.33.73.42.93.6

NOAA 1991–2020 climate normals from the nearest station: FARMINGDALE AP (5.1 mi) · NOAA NCEI

Places in ZIP 11729

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page