21104 Zip Code
21104 zip code is located close to the center of Maryland. 21104 zip code is between the Carroll, Baltimore, Howard county. 21104 zip code has 16.98 square miles of land area and 0.74 square miles of water area. As of 2010-2014, the total 21104 zip code population is 4,944, which has grown 21.74% 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%. 21104 zip code median household income is $127,983 in 2010-2014 and has grown by 58.46% 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%. 21104 zip code median house value is $468,700 in 2010-2014 and has grown by 123.40% since 2000. The house value growth rate is higher 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 21104 zip code is much better than the state average in quality. The 21104 zip code area code is 410.
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