Williams is located close to the center of Iowa. Williams is between the Hamilton, Hardin, Wright county. Williams has 0.87 square miles of land area and has no water area. As of 2010-2014, the total Williams population is 517, which has grown 21.08% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is much higher than the national average rate of 11.61%. Williams median household income is $48,750 in 2010-2014 and has grown by 34.48% since 2000. The income growth rate is about the same as the state average rate of 33.56% and is higher than the national average rate of 27.36%. Williams median house value is $59,100 in 2010-2014 and has grown by 8.44% since 2000. The house value growth rate is much lower than the state average rate of 53.09% 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 Williams is much better than the state average in quality. The Williams area code is 515.