Seaford, NY
Population 15,884 · New York
About Seaford, NY
Seaford is a mid-sized city in New York with a population of 15,884 residents. The median household income is $156,488 per year, which is above the national average. The median age in Seaford is 40.4 years.
Housing in Seaford has a median home value of $631,000 and median monthly rent of $2,612. Of the 5,379 total housing units, the majority are owner-occupied, with 4,852 owner-occupied and 343 renter-occupied units.
The unemployment rate in Seaford is 5.9% and the poverty rate is 3.1%. 43.6% of residents hold a bachelor's degree or higher. The average commute time is 38.8 minutes.
Cost of Living in Seaford, NY
Compared to national averages, Seaford has a median household income of $156,488 (108% above the national median of $75,149). Home values average $631,000, which is 158% above the national median. Monthly rent at $2,612 is 125% above the US average of $1,163. Within New York, Seaford's income is 61% above the state average of $96,987, and home values are 63% above the state median of $387,181.
Why Live in Seaford, NY?
Seaford offers a strong local economy with a median household income of $156,488, well above the national average, and a well-educated community where 43.6% of residents hold a bachelor’s degree or higher, and a low poverty rate of 3.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $631,000. However, Seaford’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Seaford has a population of 15,884 with a median age of 40.4 years. Compare Seaford with other cities to see how it stacks up, or explore all cities in New York.
Similar Cities Near Seaford
Cities in New York with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Westbury | 15,789 | $136,917 | $599,700 | Compare |
| Floral Park | 16,025 | $150,350 | $754,300 | Compare |
| Bellmore | 15,652 | $159,158 | $661,700 | Compare |
| Fort Drum | 16,124 | $63,194 | $0 | Compare |
| Sayville | 15,593 | $145,278 | $615,700 | Compare |
| Kings Park | 16,249 | $118,723 | $586,300 | Compare |
| Batavia | 15,494 | $57,150 | $139,700 | Compare |
| Pearl River | 16,282 | $146,574 | $567,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in New York
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Seaford
What is the population of Seaford, NY?
The population of Seaford, NY is 15,884 according to the latest Census data.
What is the median household income in Seaford?
The median household income in Seaford, NY is $156,488 per year.
What is the median home value in Seaford?
The median home value in Seaford, NY is $631,000.
What is the average rent in Seaford?
The median monthly rent in Seaford, NY is $2,612.
What is the unemployment rate in Seaford?
The unemployment rate in Seaford, NY is 5.9%.