Sibley is located in northwest Iowa. Sibley is between the Osceola, Lyon county. Sibley has 1.68 square miles of land area and has no water area. As of 2010-2014, the total Sibley population is 2,712, which has shrunk 3.00% 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%. Sibley median household income is $48,393 in 2010-2014 and has grown by 45.88% since 2000. The income growth rate is higher than the state average rate of 33.56% and is much higher than the national average rate of 27.36%. Sibley median house value is $82,000 in 2010-2014 and has grown by 38.28% since 2000. The house value growth rate is lower than the state average rate of 53.09% and is 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 Sibley is much better than the state average in quality. The Sibley area code is 712.