According to theU.S. Census Bureau, the county has a total area of 367 square miles (950 km2), of which 366 square miles (950 km2) is land and 1.5 square miles (3.9 km2) (0.4%) is water.[4]
The southern half of Marion County, roughly south ofBuena Vista, is located in theKinchafoonee-Muckalee sub-basin of theACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). The northwestern portion of the county is located in the MiddleChattahoochee River-Walter F. George Lake sub-basin of the same ACF River Basin. The majority of the northeastern portion of Marion County is located in the MiddleFlint River sub-basin of the larger ACF River Basin, with just very small portions of the northeastern border, most of which is bisected byState Route 127 south ofMauk, located in the UpperFlint River sub-basin of the same larger ACF River Basin.[5]
As of the2020 census, the county had a population of 7,498. The median age was 44.6 years. 21.9% of residents were under the age of 18 and 19.4% of residents were 65 years of age or older. For every 100 females there were 97.0 males, and for every 100 females age 18 and over there were 96.5 males age 18 and over. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[17][18][19]
As of the2020 census, there were 2,969 households and 2,396 families in the county, of which 29.8% had children under the age of 18 living with them and 28.8% had a female householder with no spouse or partner present. About 28.0% of all households were made up of individuals and 13.2% had someone living alone who was 65 years of age or older.[18]
There were 3,497 housing units, of which 15.1% were vacant. Among occupied housing units, 71.7% were owner-occupied and 28.3% were renter-occupied. The homeowner vacancy rate was 0.9% and the rental vacancy rate was 4.8%.[18]
As of the 2020s, Marion County is a Republican stronghold, voting 64.84% forDonald Trump in2024. As with mostSolid South counties, Marion County was dominated by the Democratic Party presidential level until 1964. Starting with the 2000s, the county has become consistently Republican at the presidential level, though by smaller margins than many rural counties in Georgia.
_Buena_Vista%2c_GA.JPG)
