Seaford is a city located in New York. Seaford has a 2020 population of 15,113. Seaford is currently declining at a rate of 0.00% annually and its population has decreased by -1.18% since the most recent census, which recorded a population of 15,294 in 2010. Seaford reached it's highest population of 15,891 in 2016.
The average household income in Seaford is $147,593 with a poverty rate of 2.80%. The median rental costs in recent years comes to $2,034 per month, and the median house value is $469,700. The median age in Seaford is 42.3 years, 41.2 years for males, and 43.9 years for females. For every 100 females there are 97.7 males.