Ulaula Puu Summit where several trekings start walking or horseback to descend 900 meters into the bowels of the volcano ash filled paths. IMP: • Navy: 14,692 • Marina: 13,179 • Air Force: 4,483 • Coast Guard: 1,170 • Military activity: 32,354 • National Guard: 12,043 • Total Staff: 45,567 Honolulu City • Population (2004): 377, 260 • Average age: 39.7 Census resident population (year 2000): • Men: 182.628 (49.1%) • Women: 189.029 (50.9%) • Caucasian: 73.093 (19.7%) • African American: 6,038 (1.6%) • Indian-American and Alaska Native: 689 (0.2%) • Asian: 207.588 (55.9%) • Native Hawaiian and other Pacific Islander: 25,457 (6.8%) • other race: 3,318 (0.9%) • Two or more Races: 55,474 (14.9%) • Hispanic / Latino: 16,229 (4.4%) Population density: Oahu: 596 inhabitants per km2 1,545 people per square mile Big Island of Hawaii: 16 inhabitants per km2 42 people per square mile Maui: 83 inhabitants per km2 215 inhabitants per square mile Kauai: 53 inhabitants per km2 136 people per square mile Molokai: 12 inhabitants per km2 31 people per square mile Lanai: 12 inhabitants per km2 30 people per square mile Niihau: 1 inhabitants per km2 2 inhabitants per square mile