Lafayette is located in northwest Illinois. Lafayette has 0.19 square miles of land area and has no water area. As of 2010-2014, the total Lafayette population is 266, which has grown 17.18% 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%. Lafayette median household income is $31,591 in 2010-2014 and has grown by 18.93% since 2000. The income growth rate is lower than the state average rate of 22.70% and is lower than the national average rate of 27.36%. Lafayette median house value is $38,800 in 2010-2014 and has grown by -3.00% since 2000. The house value growth rate is much 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 Lafayette is better than the state average in quality.