Lacon is located close to the center of Illinois. Lacon is part of Marshall County. Lacon has 1.60 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total Lacon population is 1,759, which has shrunk 11.12% 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%. Lacon median household income is $53,145 in 2010-2014 and has grown by 32.19% 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%. Lacon median house value is $88,100 in 2010-2014 and has grown by 26.76% 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 Lacon is better than the state average in quality. The Lacon area code is 309.