Smithboro is located in south Illinois. Smithboro is part of Bond County. Smithboro has 0.93 square miles of land area and has no water area. As of 2010-2014, the total Smithboro population is 150, which has shrunk 25.00% 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%. Smithboro median household income is $43,125 in 2010-2014 and has grown by 102.94% 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%. Smithboro median house value is $58,600 in 2010-2014 and has grown by 31.98% 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 Smithboro is worse than the state average in quality. The Smithboro area code is 618.