Skip to content

Port Washington, NY ZIP codes

Port Washington (also written Pt. Washington), New York has 6 ZIP codes, including 5 PO Box ZIPs. They are in Nassau County.

Population in these ZIPs
32,794
Avg. median income
$154,200population-weighted
Typical home value
$1,344,500population-weighted
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Port Washington, NY ZIP codes list

Port Washington, NY ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
11050Nassau County32,794$154,225$1,344,500
11051 PO BoxNassau County———
11052 PO BoxNassau County———
11053 PO BoxNassau County———
11054 PO BoxNassau County———
11055 PO BoxNassau County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Port Washington

Frequently asked questions

What is the ZIP code for Port Washington, NY?

Port Washington, NY has 6 ZIP codes: 11050, 11051, 11052, 11053, 11054 and 11055.

What county is Port Washington, New York in?

Port Washington ZIP codes are in Nassau County.

Which Port Washington ZIP codes are PO Boxes?

11051, 11052, 11053, 11054 and 11055 are PO Box or single-organization ZIP codes; they have no residential delivery area.