18031 Zip Code
18031 zip code is located in east Pennsylvania. 18031 zip code is between the Lehigh, Berks county. 18031 zip code has 13.77 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total 18031 zip code population is 7,981, which has grown 122.19% since 2000. The population growth rate is much higher than the state average rate of 3.89% and is much higher than the national average rate of 11.61%. 18031 zip code median household income is $74,324 in 2010-2014 and has grown by 49.39% since 2000. The income growth rate is much higher than the state average rate of 32.44% and is much higher than the national average rate of 27.36%. 18031 zip code median house value is $224,000 in 2010-2014 and has grown by 64.10% 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 18031 zip code is much better than the state average in quality. The 18031 zip code area code is 610.
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