Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/NY/SEAFORD

Seaford ZIP code, New York

The ZIP code for Seaford, NY is 11783, and its area codes are 516 and 363.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
15,549
Area codes
516, 363

Mail addressed to Seaford uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Seaford in numbers

About 15,549 people live in Seaford, in 5,227 households. The median household income is $172,557 a year, 2.0 times the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $658,300 (55% above the New York median), and median gross rent is $2,489 a month. The median age is 40.3; 46.0% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 38 minutes.

Population15,549Seaford15,549
Households5,227Seaford5,227
Median age40.3Seaford40.3New York39.8US 38.9
Median household income$172,557Seaford$172,557New York$85,974US $80,734
Median home value$658,300Seaford$658,300New York$423,800US $332,700
Median gross rent$2,489Seaford$2,489New York$1,621US $1,413
Bachelor's degree or higher46.0%Seaford46.0%New York40.2%US 35.7%
Mean commute38.4 minSeaford38.4 minNew York32.6 minUS 26.4 min
Population density5,957 / sq miSeaford5,957 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Seaford CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Seaford

ZIP codes with the USPS city name Seaford
ZIP City Type Population Median income Median home
11783 Seaford , NY Standard 21,127 $176,993 $654,300

Other ZIP codes overlapping Seaford

These ZIP codes cover part of Seaford but are addressed as somewhere else.

ZIP codes overlapping Seaford
ZIP City Type Population Median income Median home
11793 Wantagh , NY Standard 32,349 $167,068 $659,500

Map of Seaford ZIP codes

11783

The ZIP codes of Seaford, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Seaford

The nearest larger towns are Wantagh (18,365 people, 0.9 mi), Massapequa (21,389 people, 1.1 mi) and Bellmore (15,954 people, 1.8 mi).

Towns near Seaford
TownPopulationDistance
Wantagh 18,365 0.9 mi
Massapequa 21,389 1.1 mi
Bellmore 15,954 1.8 mi
North Wantagh 11,940 2.3 mi
Massapequa Park 16,963 2.5 mi
North Massapequa 17,877 2.8 mi
North Bellmore 20,689 2.9 mi
East Massapequa 20,377 3.0 mi
Merrick 21,744 3.2 mi
North Merrick 12,366 3.9 mi
Amityville 9,588 4.0 mi
Plainedge 8,624 4.1 mi
Levittown 51,904 4.1 mi
South Farmingdale 14,676 4.2 mi

More nearby: every ZIP code in Nassau County · New York ZIP codes

Cite this page

zipcodes.pro. “Seaford, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/seaford

Underlying data is public domain or openly licensed — sources, vintages and licences.