Todd County, South Dakota
St. Charles Borromeo church in St. Francis, South Dakota at the Rosebud Indian Reservation
Location in the state of South Dakota
South Dakota's location in the U.S.
Founded	1909
Seat	None (de jure) Winner (de facto)
Largest city	Mission
Area
• Total	1,391 sq mi (3,603 km2)
• Land	1,389 sq mi (3,597 km2)
• Water	2.3 sq mi (6 km2), 0.2
Time zone	Central: UTC-6/-5
Footnotes: For infobox source see

County Well Data

Well ID	Operator Name	Well Type	Well Status
40-121-20001	Rosebud Sioux Tribe	Dry Hole	Abandoned
40-121-20002	Bolyard Oil and Gas Ltd.	Dry Hole	Abandoned
40-121-20003	Bolyard Oil and Gas Ltd.	Dry Hole	Abandoned

For data sources see