Quick information summary of the Gretna city area.
Gretna city is located in the state of Louisiana. It occupies the area of 6 square miles. 1 square miles are water areas and 5 square miles remain for land areas. Center of the Gretna city lies at +29.9109575, -090.0517245 coordinates. According to the 2010 Census, there are 17.736 living in the Gretna city. The racial makeup shows these 3 races as the most frequent : White (55.37%), Black or African American (34.29%) and Some Other Race (5%). Median age is 36 for the males and 39 for the females.