Homeownership (5-year estimate) for Petroleum County, MT was 69.71154 Rate in January of 2022, according to the United States Federal Reserve. Historically, Homeownership (5-year estimate) for Petroleum County, MT reached a record high of 80.48327 in January of 2013 and a record low of 61.79775 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Homeownership (5-year estimate) for Petroleum County, MT - last updated from the United States Federal Reserve on May of 2024.