Kapaau is located close to the center of Hawaii. Kapaau is part of Hawaii County. Kapaau has 2.87 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Kapaau population is 1,667, which has grown 43.83% since 2000. The population growth rate is much higher than the state average rate of 14.95% and is much higher than the national average rate of 11.61%. Kapaau median household income is $48,977 in 2010-2014 and has grown by 7.02% since 2000. The income growth rate is much lower than the state average rate of 36.89% and is much lower than the national average rate of 27.36%. Kapaau median house value is $311,600 in 2010-2014 and has grown by 95.73% since 2000. The house value growth rate is higher than the state average rate of 85.00% 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 Kapaau is much better than the state average in quality. The Kapaau area code is 808.