Seabrook is a city located in Maryland. Seabrook has a 2020 population of 18,345. Seabrook is currently declining at a rate of 0.00% annually and its population has increased by 6.12% since the most recent census, which recorded a population of 17,287 in 2010. Seabrook reached it's highest population of 18,345 in 2018.
The average household income in Seabrook is $86,943 with a poverty rate of 6.80%. The median rental costs in recent years comes to $1,636 per month, and the median house value is $269,000. The median age in Seabrook is 37.1 years, 33.9 years for males, and 38.6 years for females. For every 100 females there are 90.0 males.