Seaford, NY ZIP code
The ZIP code for Seaford, New York is 11783. It is in Nassau County.
- Population in these ZIPs
- 21,127
- Avg. median income
- $177,000population-weighted
- Typical home value
- $806,900population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Seaford, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 11783 | 21,127 | $176,993 | $806,900 |
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 Seaford
- Massapequa Park 2 mi
- Bellmore 2 mi
- Massapequa 2 mi
- Wantagh 2 mi
- Levittown 4 mi
- Merrick 4 mi
- Amityville 4 mi
- Bethpage 4 mi
- Farmingdale 5 mi
- East Meadow 5 mi
- Roosevelt 5 mi
- Copiague 5 mi
Frequently asked questions
What is the ZIP code for Seaford, NY?
The ZIP code for Seaford, NY is 11783.
What county is Seaford, New York in?
Seaford ZIP codes are in Nassau County.