Kaumakani is located in northwest Hawaii. Kaumakani is part of Kauai County. Kaumakani has 0.95 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Kaumakani population is 1,007, which has grown 65.90% 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%. Kaumakani median household income is $64,063 in 2010-2014 and has grown by 85.24% since 2000. The income growth rate is much higher than the state average rate of 36.89% and is much higher than the national average rate of 27.36%. 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 Kaumakani is much better than the state average in quality. The Kaumakani area code is 808.