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According to the U.S. Census Bureau, the county has a total area of 1,069 km˛ (413 mi˛). 1,057 km˛ (408 mi˛) of it is land and 11 km˛ (4 mi˛) of it is water. The total area is 1.06% water.
The Savannah River forms the county's western border with Georgia.
Allendale County is the location of the Topper Site, an archeological excavation providing possible evidence of a pre- Clovis cultureThe Clovis culture is a prehistoric Native American culture that first appears in the archaeological record of North America around 13,500 years ago, at the end of the last ice age. They are named for artifacts found near Clovis, New Mexico, where the fir dating back 50,000 years. The site is near a source of chertChert is a fine-grained silica-rich cryptocrystalline sedimentary rock that may contain small fossils. It varies greatly in color from white to black, but most often manifests as gray, brown, grayish brown and light green to rusty red; its color is an exp on private land in Martin owned by Clariant Corporation, a SwissThe Swiss Confederation or Switzerland is a landlocked federal state in central Europe, with neighbours Germany, France, Italy, Austria and Liechtenstein. The country has a strong tradition of political and military neutrality, but also of international c chemical companyChemical industry includes those industries involved in the production of petrochemicals, agrochemicals, pharmaceuticals, polymers, paints, oleochemicals etc. Chemical processes are used, including chemical reactions to form new substances, separations ba with a plant there. The site, named after John Topper, a local resident who discovered it, has been under excavation by archeologists from the University of South CarolinaUniversity of South Carolina The historic Horseshoe at the University of South Carolina Motto: Emollit mores nec sinit esse feros Learning humanizes character and does not permit it to be cruel. President Dr. Andrew Sorensen School type Public Founded 180 for about one month a year since 1999For the album by Prince, see 1999 (album 1999 is a common year starting on Friday (see link for calendar), and was designated the International Year of Older Persons by the UN. Events Kosovo War Former child star Gary Coleman files for bankruptcy Y2K prep, after an initial exploratory dig in the mid- 1980sMillennia: 1st millennium 2nd millennium 3rd millennium Centuries: 19th century 20th century 21st century Decades: 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 2030s Years: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 Events and trends.
As of the censusA census is the process of obtaining information about every member of a population (not necessarily a human population). It can be contrasted with sampling in which information is only obtained from a subset of a population. As such it is a method used f 2 of 2000, there are 11,211 people, 3,915 households, and 2,615 families residing in the county. The population density is 11/km˛ (28/mi˛). There are 4,568 housing units at an average density of 4/km˛ (11/mi˛). The racial makeup of the county is 71.00% Black or African American, 27.37% White, 0.12% Asian, 0.09% Native American, 0.06% Pacific Islander, 0.85% from other races, and 0.51% from two or more races. 1.61% of the population are Hispanic or Latino of any race.
There are 3,915 households out of which 30.30% have children under the age of 18 living with them, 35.80% are married couples living together, 25.80% have a female householder with no husband present, and 33.20% are non-families. 30.00% of all households are made up of individuals and 12.30% have someone living alone who is 65 years of age or older. The average household size is 2.56 and the average family size is 3.21.
In the county, the population is spread out with 26.6% under the age of 18, 9.8% from 18 to 24, 28.2% from 25 to 44, 22.8% from 45 to 64, and 12.7% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 108.6 males. For every 100 females age 18 and over, there are 107.5 males.
The median income for a household in the county is $20,898, and the median income for a family is $27,348. Males have a median income of $25,930 versus $20,318 for females. The per capita income for the county is $11,293. 34.50% of the population and 28.40% of families are below the poverty line. Out of the total population, 48.10% of those under the age of 18 and 26.00% of those 65 and older are living below the poverty line.