Liberty is located in west Illinois. Liberty is part of Adams County. Liberty has 0.38 square miles of land area and has no water area. As of 2010-2014, the total Liberty population is 466, which has shrunk 10.21% since 2000. The population growth rate is much lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Liberty median household income is $45,804 in 2010-2014 and has grown by 25.78% since 2000. The income growth rate is higher than the state average rate of 22.70% and is lower than the national average rate of 27.36%. Liberty median house value is $87,700 in 2010-2014 and has grown by 28.40% since 2000. The house value growth rate is lower than the state average rate of 34.33% 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 Liberty is better than the state average in quality. The Liberty area code is 217.