Afton is located in southwest Iowa. Afton is part of Union County. Afton has 0.99 square miles of land area and has no water area. As of 2010-2014, the total Afton population is 917, which has shrunk 0.00% since 2000. The population growth rate is much lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Afton median household income is $45,068 in 2010-2014 and has grown by 59.36% since 2000. The income growth rate is much higher than the state average rate of 33.56% and is much higher than the national average rate of 27.36%. Afton median house value is $71,400 in 2010-2014 and has grown by 58.67% since 2000. The house value growth rate is higher than the state average rate of 53.09% and is 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 Afton is much better than the state average in quality. The Afton area code is 641.