According to theU.S. Census Bureau, the county has a total area of 287 square miles (740 km2), of which 284 square miles (740 km2) is land and 2.4 square miles (6.2 km2) (0.8%) is water.[3]
The north-to-northeastern quarter of Warren County, north of a line between the county's northwestern corner,Norwood, andCamak, is located in theLittle River sub-basin of theSavannah River basin. The southeastern quarter, from Camak in the north, and bordered by a northwest-to-southeast line running throughWarrenton, is located in theBrier Creek sub-basin of the larger Savannah River basin. The western half of the county, west of Warrenton, is located in the UpperOgeechee River sub-basin of the Ogeechee River basin.[4]
Warren County, Georgia – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the2020 census, the county had a population of 5,215, 2,159 households, and 1,456 families residing there.[18] The median age was 47.7 years, with 20.2% of residents under the age of 18 and 22.8% aged 65 years or older, and for every 100 females there were 89.2 males (86.7 males per 100 females age 18 and over).[18]
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[19]
Of those households, 27.4% had children under the age of 18 living with them and 36.5% had a female householder with no spouse or partner present. About 31.5% of all households were made up of individuals and 15.6% had someone living alone who was 65 years of age or older.[18]
There were 2,511 housing units, of which 14.0% were vacant. Among occupied housing units, 71.2% were owner-occupied and 28.8% were renter-occupied. The homeowner vacancy rate was 1.6% and the rental vacancy rate was 5.6%.[18]
As a part of America'sBlack Belt, a majority-Black, rural region, Warren County is a reliably Democratic county. Even as the rest of Georgia's demographics have rapidly shifted, Warren County and its surrounding counties have provided a consistent source of support for Democrats for years and frequently are the deciding factors in close elections, as metroAtlanta is usually overwhelmed by Georgia's deeply conservative rural areas.[21] Despite this, Warren County's margins have narrowed in recent years, with Republicans slowly making gains due to the economic challenges that rural Georgia faces. In 2024, Warren County gaveDonald Trump the Republican Party's best margin since 1972 due to the Republican Party's active targeting of African-American men and rural voters. However, Warren County remained reliably Democratic.[22]