Arenzville is located close to the center of Illinois. Arenzville is between the Cass, Morgan county. Arenzville has 0.78 square miles of land area and has no water area. As of 2010-2014, the total Arenzville population is 317, which has shrunk 24.34% 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%. Arenzville median household income is $56,250 in 2010-2014 and has grown by 50.00% 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%. Arenzville median house value is $86,700 in 2010-2014 and has grown by 51.05% since 2000. The house value growth rate is higher than the state average rate of 34.33% 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 Arenzville is better than the state average in quality. The Arenzville area code is 217.