Winchester is located in west Illinois. Winchester is between the Scott, Greene, Morgan county. Winchester has 1.13 square miles of land area and has no water area. As of 2010-2014, the total Winchester population is 1,644, which has shrunk 0.36% since 2000. The population growth rate is lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Winchester median household income is $45,000 in 2010-2014 and has grown by 45.45% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. Winchester median house value is $82,100 in 2010-2014 and has grown by 37.06% 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 Winchester is close to the state average in quality. The Winchester area code is 217.