[5] Murdo was founded in about 1907 by the Chicago, Milwaukee, St. Paul and Pacific Railroad.

[6] As about halfway between Rapid City and Mitchell, Murdo was home to a roundhouse and a railyard, and a passenger station which served trains bound for Rapid City and Mitchell, until the discontinuation of the Sioux passenger train.

The town was named in honor of cattle baron Murdo MacKenzie.

[7] United States Senator John Thune is from Murdo, South Dakota.

According to the United States Census Bureau, the city has a total area of 0.63 square miles (1.63 km2), all land.

[8] Murdo has a humid continental climate (Koppen Dfa), with cold winters and hot summers.

Media related to Murdo, South Dakota at Wikimedia Commons