Cincinnati is located in south Iowa. Cincinnati is part of Appanoose County. Cincinnati has 1.74 square miles of land area and has no water area. As of 2010-2014, the total Cincinnati population is 299, which has shrunk 30.14% 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%. Cincinnati median household income is $31,875 in 2010-2014 and has grown by 19.65% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is lower than the national average rate of 27.36%. Cincinnati median house value is $38,000 in 2010-2014 and has grown by 106.52% since 2000. The house value growth rate is much higher than the state average rate of 53.09% and is much 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 Cincinnati is much better than the state average in quality. The Cincinnati area code is 641.