Martinez is located in northeast Georgia. Martinez is between the Columbia, Richmond county. Martinez has 14.51 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Martinez population is 36,190, which has grown 30.42% since 2000. The population growth rate is much higher than the state average rate of 21.03% and is much higher than the national average rate of 11.61%. Martinez median household income is $63,422 in 2010-2014 and has grown by 9.22% 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%. Martinez median house value is $148,000 in 2010-2014 and has grown by 40.68% 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 Martinez is much better than the state average in quality.