Lancaster is located in south Wisconsin. Lancaster is part of Grant County. Lancaster has 3.04 square miles of land area and has no water area. As of 2010-2014, the total Lancaster population is 3,830, which has shrunk 5.90% since 2000. The population growth rate is much lower than the state average rate of 6.73% and is much lower than the national average rate of 11.61%. Lancaster median household income is $44,814 in 2010-2014 and has grown by 36.95% since 2000. The income growth rate is much higher than the state average rate of 20.43% and is higher than the national average rate of 27.36%. Lancaster median house value is $129,700 in 2010-2014 and has grown by 64.39% since 2000. The house value growth rate is higher than the state average rate of 47.86% 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 Lancaster is better than the state average in quality. The Lancaster area code is 608.