Louisville is located in south Illinois. Louisville is between the Clay, Effingham county. Louisville has 0.75 square miles of land area and has no water area. As of 2010-2014, the total Louisville population is 1,022, which has shrunk 17.71% 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%. Louisville median household income is $35,833 in 2010-2014 and has grown by 41.91% 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%. Louisville median house value is $59,300 in 2010-2014 and has grown by 27.80% 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 Louisville is close to the state average in quality. The Louisville area code is 618.