As of the census of 2000, there were 23,501 people, 8,670 households, and 6,398 families residing in the county. The population density was 55 people per square mile (21/km²). There were 9,601 housing units at an average density of 23 per square mile (9/km²). The racial makeup of the county was 61.07% White, 36.52% Black or African American, 0.19% Native American, 0.15% Asian, 0.03% Pacific Islander, 1.17% from other races, and 0.86% from two or more races. 1.77% of the population were Hispanic or Latino of any race.
There were 8,670 households out of which 31.00% had children under the age of 18 living with them, 55.20% were married couples living together, 14.20% had a female householder with no husband present, and 26.20% were non-families. 23.20% of all households were made up of individuals and 10.20% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.01.
In the county the population was spread out with 23.20% under the age of 18, 7.70% from 18 to 24, 30.10% from 25 to 44, 26.00% from 45 to 64, and 13.00% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 102.50 males. For every 100 females age 18 and over, there were 102.30 males.
The median income for a household in the county was $35,018, and the median income for a family was $41,905. Males had a median income of $28,968 versus $22,339 for females. The per capita income for the county was $16,470. About 10.90% of families and 14.40% of the population were below the poverty line, including 18.30% of those under age 18 and 21.10% of those age 65 or over.