Halawa is a census-designated place (CDP) in the ‘Ewa District of Honolulu County, Hawaii, United States. Halawa Stream branches into two valleys: North and South Halawa; North Halawa is the larger stream and fluvial feature. Their confluence is within the H-3/H-201 highways exchange. Most of Halawa Valley is undeveloped. As of the 2020 census, the CDP had a population of 15,016.
Interstate H-3 in Halawa Valley looking towards the Koʻolau crest
Halawa viaducts, carrying H-3
Honolulu County, officially known as the City and County of Honolulu, is a consolidated city-county in the U.S. state of Hawaii. The city-county includes both Urban Honolulu and the rest of the neighborhoods on the island of Oʻahu, as well as several minor outlying islands, including all of the Northwestern Hawaiian Islands except Midway Atoll.
Downtown Honolulu, the city and county urban center
Honolulu Hale is the county seat, home of the County mayor and council.
The Capitol of the State of Hawaiʻi
Honolulu International Airport