Berwick is a town in St. Mary Parish, Louisiana, United States. The population was 4,946 at the 2010 census. It is part of the Morgan City Micropolitan Statistical Area.V.J. Bella, state representative from St. Mary Parish from 1972–1990, was known as a legislative fiscal watchdog. Prior to his legislative service, Bella was the fire chief in Berwick. He subsequently served as state fire marshal.Perhaps the most prominent person from Berwick is Jenny Craig, weight loss guru and founder of Jenny Craig, Inc.HistoryThe first white settler to trek through the wilderness in this area was Thomas Berwick, a surveyor from Pennsylvania who was working in Opelousas, Louisiana. He settled along the banks of the Atchafalaya River in the late 18th century. Today the town of Berwick is home to several seafood processing plants and numerous boat companies.GeographyAccording to the United States Census Bureau, the town has a total area of 15.7km2, of which 15.3km2 is land and 0.4km2, or 2.84%, is water.The Berwick area is known for its high academic standards and high performing bands. Berwick High School ranked as the seventh best public high school in Louisiana for the 2006-2007 school year.