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Seaford, NY Demographics & ZIP Codes
Seaford, New York demographics and median household income by ZIP code (in Nassau County) — 1 ZIP codes — population 21,588 — median income $164,128 — avg. home value $626,700. Compare income, housing, and population across ZIP codes on US5.
Population
21,588
Median household income (avg.)
$164,128
218% of U.S. median
Average home value
$626,700
180% of U.S. median
Average rent
$2,420
208% of U.S. median
Median age (avg.)
41.4
Seaford demographics
Seaford, New York covers 1 ZIP code primarily in Nassau County, with a combined ZIP-area population of about 21,588.
Across ZIP codes with age data, the average median age is about 41.4 years.
Median household income in Seaford
The average median household income across ZIP codes in Seaford, New York is about $164,128 — about 82% above the NY ZIP average ($90,084), and about 118% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $164,128 in 11783.
Housing in Seaford
For housing in Seaford, New York, the average median home value is about $626,700 and the average median rent is about $2,420.
The most populous ZIP in this set is 11783 (about 21,588 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Seaford
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 11783 | Seaford | Nassau County | NY | 21,588 | $164,128 | $626,700 |
Frequently asked questions
What are the demographics of Seaford?
Seaford, New York has a combined ZIP-area population of about 21,588 across 1 ZIP codes (primarily Nassau County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Seaford?
The average median household income across ZIP codes in Seaford, New York is about $164,128, about 82% above the state ZIP average ($90,084), and about 118% above the U.S. median ($75,149). Average median home value is about $626,700.
How many ZIP codes are in Seaford?
Seaford, New York includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Seaford?
This page lists ZIP codes in Seaford, New York with population, median household income, and home value. Select a ZIP for a full demographics profile.