Avondale is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States, on the West Bank of the Mississippi River. The population was 5,441 at the 2000 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area.
Avondale(AVD) is located at 29°54′16″N 90°12′15″W / 29.90444°N 90.20417°W / 29.90444; -90.20417 (29.904506, -90.204216).
According to the United States Census Bureau, the CDP has a total area of 5.8 square miles (15.0 km²), of which, 5.4 square miles (14.1 km²) of it is land and 0.3 square miles (0.9 km²) of it (6.04%) is water.