The Port St. John Census Designated Place had a population of 12,382 as of July 1, 2017.
The primary coordinate point for Port Saint John is located at latitude 28.477 and longitude -80.7874 in Brevard County. The formal boundaries for the Port St. John Census Designated Place (see map below) encompass a land area of 3.88 sq. miles and a water area of 0 sq. miles. Brevard County is in the Eastern time zone (GMT -5). The elevation is 30 feet.
The Port St. John Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of “S” which identifies a statistical entity.