Marshall County, Oklahoma

Marshall County is a county in the U.S. state of Oklahoma. As of 2020, 15,312 people lived there.^[1] Its county seat is Madill.

Marshall County
County
Marshall County Courthouse
Location within the U.S. state of Oklahoma
Oklahoma's location within the U.S.
Coordinates: 34°02′N 96°46′W
Country	United States
State	Oklahoma
Founded	1907
Seat	Madill
Largest city	Madill
Area
• Total	427 sq mi (1,110 km2)
• Land	371 sq mi (960 km2)
• Water	56 sq mi (150 km2)  13%
Population  (2020)
• Total	15,312
• Density	36/sq mi (14/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	2nd
Website	marshall.okcounties.org

Geography

The county has a total area of 427 square miles.