Mapleton is located close to the center of Illinois. Mapleton is part of Peoria County. Mapleton has 0.91 square miles of land area and has no water area. As of 2010-2014, the total Mapleton population is 310, which has grown 36.56% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. Mapleton median household income is $52,917 in 2010-2014 and has grown by 16.67% since 2000. The income growth rate is lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Mapleton median house value is $92,100 in 2010-2014 and has grown by 44.36% 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 Mapleton is better than the state average in quality. The Mapleton area code is 309.