Harvey is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. Harvey is on the south side (referred to as the "West Bank") of the Mississippi River, within the New Orleans–Metairie–Kenner Metropolitan Statistical Area. The majority-minority population was 20,348 at the 2010 census, down from 22,226 at the 2000 census.
Harvey is located east of the Intracoastal Canal on the Mississippi River, at coordinates 29°53′28″N 90°04′09″W. It is bordered to the east by Gretna, to the west by Marrero, to the southwest by Woodmere, and to the north, across the Mississippi, by New Orleans. The closest highway crossing of the river is the Crescent City Connection 4 miles (6 km) northeast of Harvey.
According to the United States Census Bureau, the Harvey CDP has a total area of 7.1 square miles (18.3 km2), of which 6.6 sq mi (17.0 km2) are land and 0.5 sq mi (1.3 km2), or 7.16%, are water.
As of the census of 2010, there were 20,348 people, 7,544 households, and 5,160 families residing in the CDP. There were 8,895 housing units, of which 1,351, or 15.2%, were vacant. The racial makeup of the CDP was 43.5% White, 41.1% African American, 0.4% Native American, 6.8% Asian, 0.1% Pacific Islander, 5.6% some other race, and 2.5% from two or more races. Hispanic or Latino of any race were 13.4% of the population.
Of the 7,544 households, 35.6% had children under the age of 18 living with them, 40.5% were married couples living together, 20.9% had a female householder with no husband present, and 31.6% were non-families. 25.0% of all households were made up of individuals, and 7.1% were someone living alone who was 65 years of age or older.