Cut Off (historically named La Coupe) is a census-designated place (CDP) on the Bayou Lafourche in Lafourche Parish, Louisiana. The population was 5,635 at the 2000 United States Census. It is part of the Houma, Louisiana-Bayou Cane, Louisiana-Thibodaux, Louisiana Houma-Bayou Cane-Thibodaux metropolitan area. Cut Off's ZIP code is 70345, the Area Code is 985 and local telephone prefixes are 325, 632, 693.

Geography
Cut Off is located at (29.515201, -90.333839).

According to the United States Census Bureau, the CDP has a total area of 14.9 square miles (38.5 km²), of which, 14.8 square miles (38.2 km²)...

Cut Off (historically named La Coupe) is a census-designated place (CDP) on the Bayou Lafourche in Lafourche Parish, Louisiana. The population was 5,635 at the 2000 United States Census. It is part of the Houma, Louisiana-Bayou Cane, Louisiana-Thibodaux, Louisiana Houma-Bayou Cane-Thibodaux metropolitan area. Cut Off's ZIP code is 70345, the Area Code is 985 and local telephone prefixes are 325, 632, 693.

Geography
Cut Off is located at (29.515201, -90.333839).

According to the United States Census Bureau, the CDP has a total area of 14.9 square miles (38.5 km²), of which, 14.8 square miles (38.2 km²) of it is land and 0.1 square miles (0.3 km²) of it (0.74%) is water.

Demographics
As of the census of 2000, there were 5,635 people, 2,033 households, and 1,608 families residing in the CDP. The population density was 381.7 people per square mile (147.4/km²). There were 2,136 housing units at an average density of 144.7/sq mi (55.9/km²). The racial makeup of the CDP was 91.41% White (U.S. Census), 1.12% African American (U.S. Census), 3.78% Native American (U.S. Census), 1.26% Asian (U.S. Census), 0.04% Pacific Islander (U.S. Census), 1.10% from Race (United States Census), and 1.30% from two or more races. Hispanic (U.S. Census) or Latino (U.S. Census) of any race were 2.13% of the population.

There were 2,033 households out of which 39.2% had children under the age of 18 living with them, 66.0% were Marriage living together, 8.6% had a female householder with no husband present, and 20.9% were non-families. 18.0% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.12.