|Elko, South Carolina|
Location of Elko, South Carolina
Elko is located in northern Barnwell County at (33.380563, -81.379321). U.S. Route 78 passes through the center of the town, leading east 6 miles (10 km) to Blackville and west 2 miles (3 km) to Williston. South Carolina Highway 37 crosses US 78 at the center of Elko, leading south 10 miles (16 km) to Barnwell, the county seat, and northeast 10 miles (16 km) to Springfield.
According to the United States Census Bureau, the town of Elko has a total area of 1.0 square mile (2.7 km2), all of it land.