Wilkinson County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 9,878. Its county seat is Woodville. The county is named for James Wilkinson, a Revolutionary War military leader and first governor of the Louisiana Territory after its acquisition by the United States in 1803.
According to the U.S. Census Bureau, the county has a total area of 688 square miles (1,780 km), of which 678 square miles (1,760 km) is land and 9.7 square miles (25 km) (1.4%) is water.
As of the 2010 United States Census, there were 9,878 people residing in the county. 70.8% were Black or African American, 28.7% White, 0.1% Native American, 0.1% of some other race and 0.3% of two or more races. 0.4% were Hispanic or Latino (of any race).
As of the census of 2000, there were 10,312 people, 3,578 households, and 2,511 families residing in the county. The population density was 15 people per square mile (6/km²). There were 5,106 housing units at an average density of 8 per square mile (3/km²). The racial makeup of the county was 68.21% Black or African American, 31.22% White, 0.10% Native American, 0.03% Asian, 0.07% from other races, and 0.38% from two or more races. 0.44% of the population were Hispanic or Latino of any race.
There were 3,578 households out of which 32.90% had children under the age of 18 living with them, 40.40% were married couples living together, 24.50% had a female householder with no husband present, and 29.80% were non-families. 27.90% of all households were made up of individuals and 12.00% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.16.
In the county, the population was spread out with 25.80% under the age of 18, 10.70% from 18 to 24, 29.00% from 25 to 44, 20.60% from 45 to 64, and 13.90% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 108.00 males. For every 100 females age 18 and over, there were 106.60 males.
The median income for a household in the county was $18,929, and the median income for a family was $23,447. Males had a median income of $24,509 versus $16,088 for females. The per capita income for the county was $10,868. About 33.10% of families and 37.70% of the population were below the poverty line, including 48.90% of those under age 18 and 33.40% of those age 65 or over.
Wilkinson County has the sixth lowest per capita income in Mississippi and the 52nd lowest in the United States.