Waialua is located close to the center of Hawaii. Waialua is part of Honolulu County. Waialua has 2.19 square miles of land area and 0.20 square miles of water area. As of 2010-2014, the total Waialua population is 3,929, which has grown 4.47% since 2000. The population growth rate is much lower than the state average rate of 14.95% and is much lower than the national average rate of 11.61%. Waialua median household income is $67,070 in 2010-2014 and has grown by 43.43% since 2000. The income growth rate is higher than the state average rate of 36.89% and is much higher than the national average rate of 27.36%. Waialua median house value is $597,100 in 2010-2014 and has grown by 157.04% since 2000. The house value growth rate is much 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 Waialua is much better than the state average in quality. The Waialua area code is 808.