Marrero is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. Marrero 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 population was 33,141 at the 2010 census.
Marrero is located west of the Intracoastal Canal on the Mississippi River, at coordinates 29°53′10″N 90°6′36″W / 29.88611°N 90.11000°W / 29.88611; -90.11000 (29.886017, -90.109930). It is bordered to the east by Harvey, to the west by Westwego, and to the north, across the Mississippi, by New Orleans.
According to the United States Census Bureau, the Marrero CDP has a total area of 8.6 square miles (22.3 km), of which 8.0 sq mi (20.6 km) are land and 0.66 sq mi (1.7 km), or 7.66%, are water.
As of the census of 2010, there were 33,141 people, 12,218 households, and 8,629 families residing in the CDP. There were 13,212 housing units, of which 994, or 7.5%, were vacant. The racial makeup of the CDP was 42.1% White, 49.2% African American, 0.7% Native American, 4.7% Asian, 0.02% Pacific Islander, 1.7% some other race, and 1.6% from two or more races. Hispanic or Latino of any race were 5.4% of the population.
Of the 12,218 households in Marrero, 36.1% had children under the age of 18 living with them, 39.6% were headed by married couples living together, 24.9% had a female householder with no husband present, and 29.4% were non-families. 24.8% of all households were made up of individuals, and 9.9% were someone living alone who was 65 years of age or older. The average household size was 2.69, and the average family size was 3.21.
24.8% of the CDP population was under the age of 18, 9.4% were from 18 to 24, 24.0% from 25 to 44, 27.8% from 45 to 64, and 14.0% were 65 years of age or older. The median age was 38.2 years. For every 100 females, there were 85.8 males. For every 100 females age 18 and over, there were 81.9 males.
For the period 2012-16, the estimated median annual income for a household in the CDP was $36,230, and the median income for a family was $48,507. Male full-time workers had a median income of $40,804 versus $31,483 for females. The per capita income for the CDP was $19,643. About 18.6% of families and 23.3% of the population were below the poverty line, including 37.1% of those under age 18 and 18.3% of those age 65 or over.