Rank

51of 3,144

Petroleum, Montana

Score 7.83 / 10· population 554

About 554 people live in Petroleum, Montana. It ranks #51 of 3,144 counties for liberty, and #23 of 56 in Montana. There is no state or county sales tax, lower than in 96% of counties. Property tax takes about 0.57% of a home's value each year, less than in 69% of counties. Local government employs a larger share of working residents than in almost every other county. Air quality is better than in 89% of counties (a typical day's air quality index is 31), and flood and hurricane risk is lower than in 98% of counties. On this site's state scores, Montana gets 6.79 of 10 for economic freedom, based on the Fraser Institute's ranking, and 10 of 10 for gun rights.

v4 — beta, 30 October 2026, sourced values