59231 Zip Code
59231 zip code is located in northeast Montana. 59231 zip code is part of Valley County. 59231 zip code has 1.99 square miles of land area and has no water area. As of 2010-2014, the total 59231 zip code population is 454, which has grown 148.09% since 2000. The population growth rate is much higher than the state average rate of 11.55% and is much higher than the national average rate of 11.61%. 59231 zip code median household income is $35,761 in 2010-2014 and has grown by 5.96% since 2000. The income growth rate is much lower than the state average rate of 41.61% and is much lower than the national average rate of 27.36%. 59231 zip code median house value is $31,800 in 2010-2014 and has grown by -22.63% since 2000. The house value growth rate is much lower than the state average rate of 88.54% and is much 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 59231 zip code is close to the state average in quality. The 59231 zip code area code is 406.
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