Gwinnett county is located in north Georgia. Gwinnett county has 430.38 square miles of land area and 6.39 square miles of water area. As of 2010, the total Gwinnett county population is 805,321, which has grown 36.86% since 2000. The population growth rate is much higher than the state average rate of 18.34% and is much higher than the national average rate of 9.71%. Gwinnett county median household income is $63,219 in 2006-2010 and has grown by 4.43% since 2000. The income growth rate is much lower than the state average rate of 9.42% and is much lower than the national average rate of 19.17%. Gwinnett county median house value is $194,200 in 2006-2010 and has grown by 36.66% since 2000. The house value growth rate is lower than the state average rate of 40.47% and is lower than the national average rate of 50.42%. 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 Gwinnett county is much better than the state average in quality. The Gwinnett county area codes are 678, 770.
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