Oswego is a census-designated place (CDP) in Sumter County, South Carolina, United States. The population was 95 at the 2000 census. It is included in the Sumter, South Carolina Metropolitan Statistical Area.
Geography
According to the United States Census Bureau, the CDP has a total area of 1.6 square miles (4.3 km<sup>2</sup>), all land.
Demographics
As of the census