Countryside is located in northeast Illinois. Countryside is part of Cook County. Countryside has 2.88 square miles of land area and has no water area. As of 2010-2014, the total Countryside population is 5,974, which has shrunk 0.28% 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%. Countryside median household income is $57,679 in 2010-2014 and has grown by 26.85% since 2000. The income growth rate is higher than the state average rate of 22.70% and is about the same as the national average rate of 27.36%. Countryside median house value is $220,600 in 2010-2014 and has grown by 9.42% since 2000. The house value growth rate is much 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 Countryside is much better than the state average in quality.