Junction is located in south Illinois. Junction is part of Gallatin County. Junction has 0.88 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Junction population is 88, which has shrunk 36.69% since 2000. The population growth rate is much lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Junction median household income is $40,469 in 2010-2014 and has grown by 19.91% 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%. Junction median house value is $41,900 in 2010-2014 and has grown by 115.98% since 2000. The house value growth rate is much higher than the state average rate of 34.33% and is much 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 Junction is worse than the state average in quality. The Junction area code is 618.