SIZE

1,674 mi²

FOUNDED

1925

COUNTY SEAT

WINNETT

POPULATION

487

LARGEST CITY

WINNETT

COUNTY NUMBER

55

County Fun Fact

Petroleum County boasts more than 1 million acres of land, but is the least populous county in Montana, and one of the least-populous in the country.

County Link

SENATOR

LAWMAKER FOR THIS COUNTY
Sen. Ryan Osmundson (R) SD-15

REPRESENTATIVE

LAWMAKER FOR THIS COUNTY
Rep. Dan Bartel (R) HD-29