21740 Zip Code
21740 zip code is located in northwest Maryland. 21740 zip code is part of Washington County. 21740 zip code has 69.84 square miles of land area and 0.29 square miles of water area. As of 2010-2014, the total 21740 zip code population is 61,584, which has grown 10.97% since 2000. The population growth rate is about the same as the state average rate of 11.16% and is lower than the national average rate of 11.61%. 21740 zip code median household income is $44,176 in 2010-2014 and has grown by 31.07% since 2000. The income growth rate is lower than the state average rate of 40.25% and is higher than the national average rate of 27.36%. 21740 zip code median house value is $172,900 in 2010-2014 and has grown by 74.29% since 2000. The house value growth rate is lower than the state average rate of 96.92% and is much 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 21740 zip code is better than the state average in quality. The 21740 zip code area codes are 240, 301.
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