21040 Zip Code
21040 zip code is located close to the center of Maryland. 21040 zip code is part of Harford County. 21040 zip code has 7.97 square miles of land area and 1.15 square miles of water area. As of 2010-2014, the total 21040 zip code population is 25,027, which has grown 11.98% since 2000. The population growth rate is higher than the state average rate of 11.16% and is about the same as the national average rate of 11.61%. 21040 zip code median household income is $54,269 in 2010-2014 and has grown by 15.44% 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%. 21040 zip code median house value is $166,600 in 2010-2014 and has grown by 65.11% since 2000. The house value growth rate is lower than the state average rate of 96.92% and is 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 21040 zip code is better than the state average in quality. The 21040 zip code area codes are 410, 443.
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