Per the 2014 update of the Census Bureau's estimates, of the 1.42 million people in the state of Hawaii: Kauai County - 70,475 Oahu island - 991,788 Hawaii County - 194,190 Maui County - 163,108
Kauai County - 70,475 Oahu island - 991,788 Hawaii County - 194,190 Maui County - 163,108