Hammond is the largest city in Tangipahoa Parish, Louisiana, United States, located 45 miles (72 km) east of Baton Rouge and 45 miles (72 km) northwest of New Orleans. Its population was 20,019 in the 2010 census. Hammond is home to Southeastern Louisiana University and is the principal city of the Hammond Metropolitan Statistical Area, which includes all of Tangipahoa Parish.
Hammond is located at 30°30′16″N 90°27′56″W / 30.50444°N 90.46556°W / 30.50444; -90.46556 (30.504446, -90.465616) and has an elevation of 43 feet (13.1 m).
According to the United States Census Bureau, the city has a total area of 12.8 square miles (33 km), of which 12.8 square miles (33 km) is land and 0.08% is water.
As of the census of 2010, there were 20,037 people, 6,251 households, and 3,706 families residing in the city. The population density was 1,383.4 people per square mile (534.2/km²). There were 7,014 housing units at an average density of 550.1 per square mile (212.4/km²). The racial makeup of the city was 48.57% White, 47.52% African American, 0.16% Native American, 0.83% Asian, 0.02% Pacific Islander, 0.46% from other races, and 0.91% from two or more races. Hispanic or Latino people of any race were 1.57% of the population.
There were 6,251 households out of which 29.4% had children under the age of 18 living with them, 34.9% were married couples living together, 20.2% had a female householder with no husband present, and 40.7% were non-families. 28.7% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.19.
In the city, the population was spread out with 23.9% under the age of 18, 23.1% from 18 to 24, 23.7% from 25 to 44, 17.1% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 27 years, which is seven years younger than the statewide median age of 34.0 years. For every 100 females, there were 83.2 males. For every 100 women age 18 and over, there were 78.1 men.
The median income for a household in the city was $24,067, and the median income for a family was $31,617. Males had a median income of $30,625 versus $18,533 for females. The per capita income for the city was $15,145. About 24.9% of families and 32.8% of the population were below the poverty line, including 43.7% of those under age 18 and 19.0% of those age 65 or over.