Williamston is located in southeast Michigan. Williamston is part of Ingham County. Williamston has 2.44 square miles of land area and 0.12 square miles of water area. As of 2010-2014, the total Williamston population is 3,855, which has grown 12.03% since 2000. The population growth rate is much higher than the state average rate of -0.50% and is about the same as the national average rate of 11.61%. Williamston median household income is $54,129 in 2010-2014 and has grown by 36.25% since 2000. The income growth rate is much higher than the state average rate of 9.90% and is higher than the national average rate of 27.36%. Williamston median house value is $111,500 in 2010-2014 and has grown by -2.71% since 2000. The house value growth rate is much lower than the state average rate of 3.98% and is much 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 Williamston is much better than the state average in quality. The Williamston area code is 517.