Lutcher is a town in St. James Parish, Louisiana, United States, on the East Bank of the Mississippi River. The population was 3,559 at the 2010 census. The city was damaged on August 29, 2005 when Hurricane Katrina made landfall in the U.S. Gulf Coast.
Lutcher is located at 30°2′56″N 90°41′59″W (30.048867, -90.699744).
According to the United States Census Bureau, the town has a total area of 3.4 square miles (8.8 km2), of which 3.4 square miles (8.7 km2) is land and 0.04 square mile (0.1 km2) (0.88%) is water.
Lutcher is bordered by the Mississippi River and the town of Gramercy.
As of the census of 2000, there were 3,735 people, 1,252 households, and 986 families residing in the town. The population density was 1,107.3 people per square mile (427.9/km2). There were 1,368 housing units at an average density of 405.5 per square mile (156.7/km2). The racial makeup of the town was 49.91% White, 49.77% African American, 0.05% Native American, 0.03% Asian, 0.05% from other races, and 0.19% from two or more races.