Estimate of Related Children Age 5-17 in Families in Poverty for Petroleum County, MT was 10.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Estimate of Related Children Age 5-17 in Families in Poverty for Petroleum County, MT reached a record high of 29.00000 in January of 1997 and a record low of 9.00000 in January of 1993. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of Related Children Age 5-17 in Families in Poverty for Petroleum County, MT - last updated from the United States Federal Reserve on May of 2024.