21798 Zip Code
21798 zip code is located in northwest Maryland. 21798 zip code is part of Frederick County. 21798 zip code has 16.54 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total 21798 zip code population is 2,647, which has grown 41.63% 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%. 21798 zip code median household income is $81,974 in 2010-2014 and has grown by 39.94% since 2000. The income growth rate is about the same as the state average rate of 40.25% and is higher than the national average rate of 27.36%. 21798 zip code median house value is $317,100 in 2010-2014 and has grown by 90.68% 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 21798 zip code is better than the state average in quality. The 21798 zip code area code is 301.