Petroleum County
Petroleum county is located close to the center of Montana. Petroleum county has 1,654.87 square miles of land area and 18.93 square miles of water area. As of 2010-2014, the total Petroleum county population is 489, which has shrunk 0.81% since 2000. The population growth rate is much lower than the state average rate of 11.55% and is much lower than the national average rate of 11.61%. Petroleum county median household income is $40,250 in 2010-2014 and has grown by 66.96% since 2000. The income growth rate is much higher than the state average rate of 41.61% and is much higher than the national average rate of 27.36%. Petroleum county median house value is $76,800 in 2010-2014 and has grown by 31.73% since 2000. The house value growth rate is much lower than the state average rate of 88.54% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Petroleum county is much better than the state average in quality. The Petroleum county area code is 406.
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