Barnwell County, South Carolina

Barnwell County is a located in the  of. The recorded its population to be 23,478, while a 2005 the  estimated that its population had reached 23,345. Its is.

Geography
According to the, the county has a total area of 1,443 (557 ). 1,420 km² (548 sq mi) of it is land and 23 km² (9 sq mi) of it (1.59%) is water.

Adjacent Counties

 * - north
 * - east
 * - east
 * - southeast
 * - southwest

Demographics
As of the of 2000, there were 23,478 people, 9,021 households, and 6,431 families residing in the county. The was 17/km² (43/sq mi). There were 10,191 housing units at an average density of 7/km² (19/sq mi). The racial makeup of the county was 55.18%, 42.55% or , 0.35% , 0.39% , 0.03% , 0.78% from , and 0.72% from two or more races. 1.39% of the population were or  of any race.

There were 9,021 households out of which 34.80% had children under the age of 18 living with them, 47.40% were living together, 19.30% had a female householder with no husband present, and 28.70% were non-families. 25.60% 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 2.57 and the average family size was 3.08.

In the county, the population was spread out with 28.10% under the age of 18, 8.70% from 18 to 24, 27.90% from 25 to 44, 22.60% from 45 to 64, and 12.60% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 92.70 males. For every 100 females age 18 and over, there were 86.50 males.

The median income for a household in the county was $28,591, and the median income for a family was $35,866. Males had a median income of $31,161 versus $21,904 for females. The for the county was $15,870. About 17.90% of families and 20.90% of the population were below the, including 27.30% of those under age 18 and 24.40% of those age 65 or over.