Based on estimates taken in 2017, the East Coast states have a total population of over 118 million inhabitants. This region is home to more than one-third of the nation's total population. It is also the most populated coastal region in the country. By area, the largest state on the East Coast in Florida has over 65,000 square miles. Rhode Island is the smallest East Coast state by area at just over 1,544 square miles.

Source: Wikipedia