Rock county is located close to the center of Nebraska. Rock county has 1,008.32 square miles of land area and 3.40 square miles of water area. As of 2010-2014, the total Rock county population is 1,436, which has shrunk 18.22% since 2000. The population growth rate is much lower than the state average rate of 8.44% and is much lower than the national average rate of 11.61%. Rock county median household income is $48,854 in 2010-2014 and has grown by 89.39% since 2000. The income growth rate is much higher than the state average rate of 33.50% and is much higher than the national average rate of 27.36%. Rock county median house value is $63,500 in 2010-2014 and has grown by 67.99% since 2000. The house value growth rate is higher than the state average rate of 47.84% 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 Rock county is much better than the state average in quality. The Rock county area code is 402.
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