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Petroleum County

county in Montana, United States

Key facts

Country: United States
State: Montana
Founded: February 25, 1925
Named after: Petroleum fields
Seat: Winnett
Largest town: Winnett
Total: 1,674 sq mi (4,340 km )
Land: 1,655 sq mi (4,290 km )
Water: 19 sq mi (49 km ) 1.1%
Density: 0.300/sq mi (0.116/km )
Time zone: UTC−7 ( Mountain )
Summer dst: UTC−6 ( MDT )
Congressional district: 2nd
Website: petroleumcountymt .org

via Wikipedia infobox

Article

Petroleum County is a county in the U.S. state of Montana. As of the 2020 census, the population was 496, making it the least populous county in Montana and the eighth-least populous in the United States. Its county seat is Winnett. The county's area was partitioned from Fergus County in 1925 to become the last of Montana's 56 counties to be organized.

History