Pittsfield is located in west Illinois. Pittsfield is part of Pike County. Pittsfield has 4.58 square miles of land area and 0.39 square miles of water area. As of 2010-2014, the total Pittsfield population is 4,730, which has grown 12.32% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is higher than the national average rate of 11.61%. Pittsfield median household income is $36,559 in 2010-2014 and has grown by 25.51% since 2000. The income growth rate is higher than the state average rate of 22.70% and is lower than the national average rate of 27.36%. Pittsfield median house value is $87,600 in 2010-2014 and has grown by 31.73% since 2000. The house value growth rate is lower 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 Pittsfield is close to the state average in quality. The Pittsfield area code is 217.