Hawaii ranked 42nd in population in the US with an estimated total of 1,244,898 in 2002, an increase of 2.8% since 2000. Between 1990 and 2000, Hawaii's population grew from 1,108,229 to 1,211,537, an increase of 9.3%. The population is projected to reach 1,342,000 by 2005 and 1.8 million by 2025. Almost four-fifths of the population lives on Oahu, primarily in the greater Honolulu metropolitan area. Population density was 188.6 people per sq mi in 2000.
In 2000 the median age was 36.2. Persons under 18 years old accounted for 24.4% of the population while 13.3% were age 65 or older.
By far the largest city is Honolulu, with an estimated 2002 population of 378,155. The greater metropolitan Honolulu area had an estimated 864,571 residents in 1999. The city of Honolulu is coextensive with Honolulu County.