Petroleum County, Montana Basics:
Petroleum County Montana - Government Site
Population: 509
Area: 1655 square miles
County seat: Winnett
Area code(s) in use: 406
Time zone: MST
High school graduate or higher: 93.1%
Bachelor's degree or higher: 15.5%
Median household income: $40,682
Persons in poverty: 13.2%
Home ownership rate: 75.8%
Mean travel time to work: 13.8 minutes
Adjacent counties:
Fergus Garfield Musselshell Phillips Rosebud