Marble Rock, IA
Marble Rock is located in northeast Iowa. Marble Rock is part of Floyd County. Marble Rock has 0.83 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total Marble Rock population is 292, which has shrunk 10.43% 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%. Marble Rock median household income is $36,354 in 2010-2014 and has grown by 2.41% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is much lower than the national average rate of 27.36%. Marble Rock median house value is $63,100 in 2010-2014 and has grown by 94.15% 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 Marble Rock is much better than the state average in quality. The Marble Rock area code is 641.
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