Buffalo is located in northwest South Carolina. Buffalo is part of Union County. Buffalo has 4.03 square miles of land area and has no water area. As of 2010-2014, the total Buffalo population is 1,359, which has shrunk 4.70% since 2000. The population growth rate is much lower than the state average rate of 17.83% and is much lower than the national average rate of 11.61%. Buffalo median household income is $22,348 in 2010-2014 and has has shrunk by 38.41% since 2000. The income growth rate is much lower than the state average rate of 21.44% and is much lower than the national average rate of 27.36%. Buffalo median house value is $68,700 in 2010-2014 and has shrunk by -54.38% since 2000. The house value growth rate is higher than the state average rate of 44.99% 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 Buffalo is close to the state average in quality. The Buffalo area code is 864.