Sweet Grass County, Montana

Sweet Grass County
County
Carnegie library designed by Link & Haire in Big Timber, Montana
Location within the U.S. state of Montana
Montana's location within the U.S.
Coordinates: 45°49′N 109°56′W / 45.81°N 109.94°W / 45.81; -109.94
Country	United States
State	Montana
Founded	1895
Named for	Sweet grass
Seat	Big Timber
Largest city	Big Timber
Area
• Total	1,862 sq mi (4,820 km2)
• Land	1,855 sq mi (4,800 km2)
• Water	6.8 sq mi (18 km2)  0.4%
Population  (2020)
• Total	3,678
• Estimate  (2022)	3,715
• Density	2.0/sq mi (0.76/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	2nd
Website	sweetgrasscountygov.com
Montana county number 40

Sweet Grass County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 3,678.^[1] Its county seat is Big Timber.^[2] The county was founded in 1895.^[3]