Kirkwood is located in northwest Illinois. Kirkwood is between the Warren, Henderson county. Kirkwood has 0.92 square miles of land area and has no water area. As of 2010-2014, the total Kirkwood population is 782, which has shrunk 1.51% 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%. Kirkwood median household income is $43,988 in 2010-2014 and has grown by 28.74% since 2000. The income growth rate is higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Kirkwood median house value is $63,500 in 2010-2014 and has grown by 34.25% since 2000. The house value growth rate is about the same as 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 Kirkwood is close to the state average in quality. The Kirkwood area code is 309.