Harvey is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. Harvey is on the West Bank of the Mississippi River, within the New Orleans–Metairie–Kenner Metropolitan Statistical Area. The population was 22,226 at the 2000 census.
Harvey is located at 29°53′28″N 90°04′09″W / 29.89111°N 90.06917°W / 29.89111; -90.06917
According to the United States Census Bureau, the CDP has a total area of 7.0 square miles (18.2 km²), of which, 6.7 square miles (17.3 km²) of it is land and 0.4 square miles (0.9 km²) of it (5.11%) is water.