18631 Zip Code
18631 zip code is located in east Pennsylvania. 18631 zip code is part of Columbia County. 18631 zip code has 1.72 square miles of land area and 0.16 square miles of water area. As of 2010-2014, the total 18631 zip code population is 1,376, which has grown 13.44% since 2000. The population growth rate is much higher than the state average rate of 3.89% and is higher than the national average rate of 11.61%. 18631 zip code median household income is $53,922 in 2010-2014 and has grown by 44.76% since 2000. The income growth rate is higher than the state average rate of 32.44% and is much higher than the national average rate of 27.36%. 18631 zip code median house value is $146,400 in 2010-2014 and has grown by 63.58% since 2000. The house value growth rate is lower than the state average rate of 70.00% and is higher 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 18631 zip code is better than the state average in quality. The 18631 zip code area code is 570.
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