20842 Zip Code
20842 zip code is located close to the center of Maryland. 20842 zip code is between the Montgomery, Frederick county. 20842 zip code has 52.47 square miles of land area and 3.49 square miles of water area. As of 2010-2014, the total 20842 zip code population is 1,879, which has grown 1.68% 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%. 20842 zip code median household income is $81,202 in 2010-2014 and has has shrunk by 8.88% since 2000. The income growth rate is much lower than the state average rate of 40.25% and is much lower than the national average rate of 27.36%. 20842 zip code median house value is $493,300 in 2010-2014 and has shrunk by -91.87% 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 20842 zip code is better than the state average in quality. The 20842 zip code area code is 301.