52231 Zip Code
52231 zip code is located in southeast Iowa. 52231 zip code is part of Keokuk County. 52231 zip code has 32.68 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total 52231 zip code population is 254, which has shrunk 31.90% 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%. 52231 zip code median household income is $65,536 in 2010-2014 and has grown by 55.11% 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%. 52231 zip code median house value is $67,200 in 2010-2014 and has grown by 19.79% since 2000. The house value growth rate is much lower than the state average rate of 53.09% and is much lower 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 52231 zip code is much better than the state average in quality. The 52231 zip code area code is 641.
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