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Honolulu County

county

Honolulu County, Hawaii

Overview
Classification
Consolidated city-county
FIPS Code
15003
Country
United States
County
Honolulu County
Geography
Region
Northwestern Hawaiian Islands
Total Area
2,128 sq mi
Land Area
601 sq mi
Water Area
1,527 sq mi
Latitude
21.3069
Longitude
-157.8583
Climate
Tropical climate with year-round warm temperatures. Average high is around 85°F (29°C) and average low is around 68°F (20°C). Wet season from November to March, dry season from April to October. Microclimates exist due to elevation and topography.
Notable Features
Diamond Head · Pearl Harbor · Koolau Range · Waikiki Beach
Neighboring Areas
None (Honolulu County consists of islands)
Demographics
Population (2020)
1,016,508
Est. Population (2026)
1,007,089
Median Age
39.8
Median Income
$104,264
Racial & Ethnic Composition
41.6% Asian, 20.1% Multiracial, 17.2% White, 9.4% Hispanic, 9.5% Native American/Other, and 2.2% Black.
Governance
Government Type
Mayor-Council
Governing Body
City Council
Body Size
9 members
Municipal Services
Civil defense · Emergency medical · Fire · Parks and recreation · Police · Sanitation · Transportation · Water
Economy
Economic Profile
Tourism-based · Federal defense · Green, resilient economy
Employment Sectors
Tourism · Military · Healthcare · Retail
Major Employers
Hawaiian Electric Industries Inc. · Oahu Transit Services Inc. · Hawaiian Airlines · Aloha Air Cargo · Bank of Hawaii
Education
Colleges & Universities
University of Hawaii at Manoa · Hawaii Pacific University · Leeward Community College · Kapiolani Community College
Infrastructure
Transportation
Daniel K. Inouye International Airport · TheBus (public transportation) · Major highways
Utilities
Municipal water · Municipal power · Fiber/broadband
Major Facilities
Honolulu Hale (City Hall) · Hospitals · Honolulu Police Department Headquarters · Halawa Correctional Facility · Neal S. Blaisdell Center
Recreation
Outdoor Access
Yes
Major Recreation Areas
Waikiki Beach · Ala Moana Beach Park · Diamond Head State Monument · Hanauma Bay Nature Preserve
Parks & Trails
City parks across O'ahu · Nā Ala Hele Trail & Access Program
History
Founded
1907
Named After
Honolulu, Hawaiian word for "sheltered harbor" or "calm port"
Historical Significance
Served as the capital of the Kingdom of Hawaii, played a critical role in World War II, and is now a major center for tourism, business, and military defense.
Key Events
Polynesian settlement in the 11th century · Captain Cook's arrival in 1778 · Establishment as capital of the Kingdom of Hawaii in 1845 · Attack on Pearl Harbor in 1941 · Hawaii becomes the 50th U.S. state in 1959