Nikiski is located close to the center of Alaska. Nikiski is part of Kenai Peninsula County. Nikiski has 69.42 square miles of land area and 6.50 square miles of water area. As of 2010-2014, the total Nikiski population is 4,536, which has grown 4.83% since 2000. The population growth rate is much lower than the state average rate of 16.17% and is much lower than the national average rate of 11.61%. Nikiski median household income is $71,683 in 2010-2014 and has grown by 40.07% since 2000. The income growth rate is about the same as the state average rate of 39.28% and is higher than the national average rate of 27.36%. Nikiski median house value is $187,000 in 2010-2014 and has grown by 67.41% since 2000. The house value growth rate is lower than the state average rate of 70.80% 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 Nikiski is much better than the state average in quality. The Nikiski area code is 907.