Honolulu County is a county located in the U.S. state of Hawaii. As of the most recent data available, the county has a population of approximately 876,156 people, with a population density of about 460.26 persons per square mile.
The county spans a total land area of 600.00 square miles (1,554.00 square kilometers). The administrative center and county seat is Honolulu, which often serves as a hub for local governance and services. The largest city within the county by population is Honolulu.
Geographically, Honolulu County experiences varied elevations, with its highest point at Whitmore Village 1,002 ft and its lowest point at Schofield Barracks 0 ft. The region operates in the UTC-6.