Mercedes is located in south Texas. Mercedes is part of Hidalgo County. Mercedes has 11.43 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total Mercedes population is 16,271, which has grown 19.21% since 2000. The population growth rate is much lower than the state average rate of 25.13% and is much higher than the national average rate of 11.61%. Mercedes median household income is $30,644 in 2010-2014 and has grown by 32.87% since 2000. The income growth rate is about the same as the state average rate of 31.68% and is higher than the national average rate of 27.36%. Mercedes median house value is $58,300 in 2010-2014 and has grown by 45.39% since 2000. The house value growth rate is lower than the state average rate of 59.27% and is about the same as 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 Mercedes is worse than the state average in quality. The Mercedes area code is 956.