Sidney is located close to the center of Illinois. Sidney is part of Champaign County. Sidney has 0.62 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Sidney population is 1,377, which has grown 29.66% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. Sidney median household income is $58,333 in 2010-2014 and has grown by 13.13% since 2000. The income growth rate is much lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Sidney median house value is $121,600 in 2010-2014 and has grown by 39.77% since 2000. The house value growth rate is higher than the state average rate of 34.33% 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 Sidney is better than the state average in quality. The Sidney area code is 217.