St. James Parish (French: Paroisse de Saint-Jacques) is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 22,102. The parish seat is Convent. The parish was created in 1807.
According to the U.S. Census Bureau, the parish has a total area of 258 square miles (670 km), of which 242 square miles (630 km) is land and 16 square miles (41 km) (6.4%) is water. It is the fourth-smallest parish in Louisiana by land area and second-smallest by total area.
As of the 2010 United States Census, there were 22,102 people residing in the parish. 50.6% were Black or African American, 48.0% White, 0.2% Native American, 0.1% Asian, 0.4% of some other race and 0.7% of two or more races. 1.2% were Hispanic or Latino (of any race).
As of the census of 2000, there were 21,216 people, 6,992 households, and 5,551 families residing in the parish. The population density was 86 people per square mile (33/km²). There were 7,605 housing units at an average density of 31 per square mile (12/km²). The racial makeup of the parish was 49.99% White, 49.38% Black, 0.09% Native American, 0.05% Asian, 0.12% from other races, and 0.37% from two or more races. 0.61% of the population were Hispanic or Latino of any race. 93.78% of the population spoke only English at home, while 4.97% spoke French or Cajun French.
There were 6,992 households out of which 38.90% had children under the age of 18 living with them, 55.30% were married couples living together, 19.30% had a female householder with no husband present, and 20.60% were non-families. 18.40% of all households were made up of individuals and 7.70% had someone living alone who was 65 years of age or older. The average household size was 3.00 and the average family size was 3.43.
In the parish the population was spread out with 29.50% under the age of 18, 9.80% from 18 to 24, 28.10% from 25 to 44, 21.40% from 45 to 64, and 11.10% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 93.10 males. For every 100 females age 18 and over, there were 89.40 males.
The median income for a household in the parish was $35,277, and the median income for a family was $41,751. Males had a median income of $37,487 versus $21,712 for females. The per capita income for the parish was $14,381. 20.70% of the population and 18.00% of families were below the poverty line. Out of the total people living in poverty, 27.70% are under the age of 18 and 15.10% are 65 or older.