21738 Zip Code
21738 zip code is located close to the center of Maryland. 21738 zip code is part of Howard County. 21738 zip code has 7.29 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total 21738 zip code population is 3,450, which has grown 24.95% since 2000. The population growth rate is much higher than the state average rate of 11.16% and is much higher than the national average rate of 11.61%. 21738 zip code median household income is $201,004 in 2010-2014 and has grown by 89.38% since 2000. The income growth rate is much higher than the state average rate of 40.25% and is much higher than the national average rate of 27.36%. 21738 zip code median house value is $682,300 in 2010-2014 and has grown by 85.51% 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 21738 zip code is much better than the state average in quality. The 21738 zip code area codes are 410, 443.
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