Monticello is located in southeast New York. Monticello is part of Sullivan County. Monticello has 3.98 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Monticello population is 6,780, which has grown 4.12% since 2000. The population growth rate is higher than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Monticello median household income is $21,881 in 2010-2014 and has has shrunk by 3.48% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is much lower than the national average rate of 27.36%. Monticello median house value is $128,100 in 2010-2014 and has shrunk by -74.76% since 2000. The house value growth rate is lower than the state average rate of 90.79% and is much 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 Monticello is worse than the state average in quality. The Monticello area code is 845.