Basic information about the Petroleum County
The Petroleum County is located in the state of Montana. This county occupies 1675 square miles, with 20 square miles being water areas. There are 494 inhabitants living in the county according to the 2010 Census. As for the racial makeup of Petroleum County citizens, the 3 largest groups are White (98.79%), followed by Two or More races (1.21%) and Some Other Race (0%). There are 225 households in the county, while 63,56% of them are family households and 36,44% represent non family households. There are 1 cities and towns in Petroleum County. The most populated city is Winnett town and the smallest town or village is .