As of the census of 2000, there were 6,336 people, 2,435 households, and 1,692 families residing in the county. The population density was 22 people per square mile (9/km²). There were 2,767 housing units at an average density of 10 per square mile (4/km²). The racial makeup of the county was 39.46% White, 59.47% Black or African American, 0.17% Native American, 0.14% Asian, 0.30% from other races, and 0.46% from two or more races. 0.80% of the population were Hispanic or Latino of any race.
There were 2,435 households out of which 30.60% had children under the age of 18 living with them, 42.10% were married couples living together, 22.10% had a female householder with no husband present, and 30.50% were non-families. 27.40% of all households were made up of individuals and 12.60% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.09.
In the county the population was spread out with 26.40% under the age of 18, 8.70% from 18 to 24, 25.50% from 25 to 44, 23.40% from 45 to 64, and 16.10% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 86.40 males. For every 100 females age 18 and over, there were 79.90 males.
The median income for a household in the county was $27,366, and the median income for a family was $32,868. Males had a median income of $28,177 versus $20,082 for females. The per capita income for the county was $14,022. About 24.10% of families and 27.00% of the population were below the poverty line, including 36.00% of those under age 18 and 27.50% of those age 65 or over.