21711 Zip Code
21711 zip code is located in northwest Maryland. 21711 zip code is part of Washington County. 21711 zip code has 23.85 square miles of land area and 0.68 square miles of water area. As of 2010-2014, the total 21711 zip code population is 837, which has shrunk 20.66% since 2000. The population growth rate is much lower than the state average rate of 11.16% and is much lower than the national average rate of 11.61%. 21711 zip code median household income is $65,089 in 2010-2014 and has grown by 53.94% since 2000. The income growth rate is higher than the state average rate of 40.25% and is much higher than the national average rate of 27.36%. 21711 zip code median house value is $166,900 in 2010-2014 and has grown by 89.23% 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 21711 zip code is better than the state average in quality. The 21711 zip code area code is 301.