About This Place
Langford is a town in Marshall County, South Dakota, United States. The population was 313 at the 2010 census.
Langford is located at 45°36′8″N 97°49′53″W / 45.60222°N 97.83139°W / 45.60222; -97.83139 (45.602096, -97.831422).
According to the United States Census Bureau, the town has a total area of 0.3 square miles (0.7 km²), all of it land.