St. Landry Parish (French: Paroisse de Saint-Landry) is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 83,384. The parish seat is Opelousas. The parish was created in 1807.
According to the U.S. Census Bureau, the parish has a total area of 939 square miles (2,430 km), of which 924 square miles (2,390 km) is land and 15 square miles (39 km) (0.6%) is water.
As of the 2010 United States Census, there were 83,384 people residing in the parish. 55.9% were White, 41.3% Black or African American, 0.4% Asian, 0.3% Native American, 0.8% of some other race and 1.3% of two or more races. 1.6% were Hispanic or Latino (of any race)
As of the census of 2000, there were 87,700 people, 32,328 households, and 23,211 families residing in the parish. The population density was 94 people per square mile (36/km²). There were 36,216 housing units at an average density of 39 per square mile (15/km²). The racial makeup of the parish was 56.51% White, 42.13% Black or African American, 0.14% Native American, 0.20% Asian, 0.01% Pacific Islander, 0.31% from other races, and 0.70% from two or more races. 0.91% of the population were Hispanic or Latino of any race. 16.7% reported speaking French or Cajun French at home.
There were 32,328 households out of which 36.10% had children under the age of 18 living with them, 49.30% were married couples living together, 17.90% had a female householder with no husband present, and 28.20% were non-families. 25.40% of all households were made up of individuals and 11.40% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 3.21.
In the parish the population was spread out with 29.50% under the age of 18, 9.20% from 18 to 24, 26.50% from 25 to 44, 21.40% from 45 to 64, and 13.40% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 91.60 males. For every 100 females age 18 and over, there were 86.80 males.
The median income for a household in the parish was $22,855, and the median income for a family was $28,908. Males had a median income of $29,458 versus $18,473 for females. The per capita income for the parish was $12,042. About 24.70% of families and 29.30% of the population were below the poverty line, including 37.70% of those under age 18 and 27.50% of those age 65 or over.