Monticello is located in south Wisconsin. Monticello is part of Green County. Monticello has 1.17 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Monticello population is 1,270, which has grown 10.82% since 2000. The population growth rate is higher than the state average rate of 6.73% and is lower than the national average rate of 11.61%. Monticello median household income is $49,896 in 2010-2014 and has grown by 13.18% since 2000. The income growth rate is much lower than the state average rate of 20.43% and is much lower than the national average rate of 27.36%. Monticello median house value is $127,200 in 2010-2014 and has grown by 39.63% since 2000. The house value growth rate is lower than the state average rate of 47.86% 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 Monticello is close to the state average in quality. The Monticello area code is 608.