Ionia is located in northeast Iowa. Ionia is between the Chickasaw, Bremer, Floyd county. Ionia has 0.55 square miles of land area and has no water area. As of 2010-2014, the total Ionia population is 387, which has grown 39.71% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is much higher than the national average rate of 11.61%. Ionia median household income is $47,813 in 2010-2014 and has grown by 35.23% since 2000. The income growth rate is about the same as the state average rate of 33.56% and is higher than the national average rate of 27.36%. Ionia median house value is $73,400 in 2010-2014 and has grown by 45.92% since 2000. The house value growth rate is lower than the state average rate of 53.09% 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 Ionia is much better than the state average in quality. The Ionia area code is 641.