Jerome is located close to the center of Illinois. Jerome is part of Sangamon County. Jerome has 0.45 square miles of land area and has no water area. As of 2010-2014, the total Jerome population is 1,532, which has grown 8.35% since 2000. The population growth rate is higher than the state average rate of 3.62% and is lower than the national average rate of 11.61%. Jerome median household income is $46,630 in 2010-2014 and has grown by 11.09% since 2000. The income growth rate is much lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Jerome median house value is $99,600 in 2010-2014 and has grown by 23.73% 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 Jerome is worse than the state average in quality.