Williamsburg is located in east Iowa. Williamsburg is part of Iowa County. Williamsburg has 3.74 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Williamsburg population is 3,105, which has grown 18.42% 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%. Williamsburg median household income is $52,588 in 2010-2014 and has grown by 43.97% since 2000. The income growth rate is higher than the state average rate of 33.56% and is much higher than the national average rate of 27.36%. Williamsburg median house value is $143,600 in 2010-2014 and has grown by 43.31% since 2000. The house value growth rate is lower than the state average rate of 53.09% 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 Williamsburg is much better than the state average in quality. The Williamsburg area code is 319.