30340 Zip Code
30340 zip code is located in northwest Georgia. 30340 zip code is between the Dekalb, Gwinnett county. 30340 zip code has 8.51 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total 30340 zip code population is 31,120, which has grown 15.27% since 2000. The population growth rate is much lower than the state average rate of 21.03% and is higher than the national average rate of 11.61%. 30340 zip code median household income is $40,054 in 2010-2014 and has has shrunk by 3.17% since 2000. The income growth rate is much lower than the state average rate of 16.28% and is much lower than the national average rate of 27.36%. 30340 zip code median house value is $181,700 in 2010-2014 and has shrunk by -39.23% since 2000. The house value growth rate is higher than the state average rate of 33.09% and is lower 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 30340 zip code is worse than the state average in quality. The 30340 zip code area codes are 404, 678, 770.