ZIP code · Hampton Bays · New York · United States

ZIP code 11946 — Hampton Bays

ZIP code 11946 serves Hampton Bays, New York.

Postal code
11946
Single source Value from one source, not cross-checked.
City
Hampton Bays
County
Suffolk FIPS 36103
State
New York
Country
United States
Coordinates
40.8726, -72.5202 — precision precise (locality)
View on OpenStreetMap
Population
17,303 (ZCTA, ACS 5-year)
Population density
1,282 / sq mi
Land area
13.5 sq mi (35 km²) (ZCTA, ACS 5-year)
Median household income
$128,844
Per-capita income
$64,262
Median age
43.5
Households
6,503
Housing units
9,098
Median home value
$691,300
Median gross rent
$2,288 / month
Congressional district
NY-1 (119th Congress)
USDA hardiness zone
7a (0 to 5 °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 (from the nearest rate centre)
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 81°F), coldest Jan (avg low 20°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394047576675818074635345
Avg low °F202128364656636154433426
Precip in3.22.74.33.83.33.52.93.73.84.73.54.2

NOAA 1991–2020 climate normals from the nearest station: WESTHAMPTN GABRESKI AP (6.2 mi) · NOAA NCEI

Places in ZIP 11946

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