Brimfield is located close to the center of Illinois. Brimfield is part of Peoria County. Brimfield has 0.78 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Brimfield population is 963, which has grown 3.22% since 2000. The population growth rate is about the same as the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Brimfield median household income is $58,594 in 2010-2014 and has grown by 52.03% 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%. Brimfield median house value is $122,600 in 2010-2014 and has grown by 59.01% since 2000. The house value growth rate is much higher than the state average rate of 34.33% and is higher 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 Brimfield is much better than the state average in quality. The Brimfield area code is 309.