There are 2,436 residents in Baldwin, which is 3.2 square miles and 16ft above sea level.
There are 4,946 residents in Berwick, which is 6.1 square miles and 3ft above sea level.
There are 12,404 residents in Morgan City, which is 6.3 square miles and 7ft above sea level.
There are 6,112 residents in Patterson, which is 2.5 square miles and 10ft above sea level.