Alpha is located in northwest Illinois. Alpha is part of Henry County. Alpha has 0.32 square miles of land area and has no water area. As of 2010-2014, the total Alpha population is 595, which has shrunk 18.04% 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%. Alpha median household income is $50,588 in 2010-2014 and has grown by 39.55% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Alpha median house value is $93,900 in 2010-2014 and has grown by 46.26% since 2000. The house value growth rate is higher than the state average rate of 34.33% and is about the same as 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 Alpha is close to the state average in quality. The Alpha area code is 309.