Good to know
Good to Know
- Oahu's official population of ~989k (2025 census) represents 69% of Hawaii's total; this is the most recent authoritative figure from the U.S. Census Bureau.
- Foreign-born residents constitute 19.2% of Honolulu County (Oahu), with Filipinos, Japanese, and Chinese representing the three largest foreign-origin groups. The Philippines is the dominant source by far.
- Oahu is one of the most racially and ethnically diverse U.S. regions: Asian-heritage residents (42.7%) are the largest group, followed by those of European descent (18.2%) and multiracial residents (25.4%). White Americans do not form a majority.
- Military presence shapes daily life and housing: tens of thousands of active-duty personnel, dependents, and civilians work at Joint Base Pearl Harbor-Hickam, Fort Shafter, and other installations across Oahu.
- An expat and digital nomad community exists on Oahu, particularly in Honolulu and Kakaako, though exact numbers are unavailable. Relocation guides note that 74% of expats leave within 18 months, primarily due to high cost of living and logistics challenges.
- Tech ecosystem is modest: Oahu is tourism-dependent and does not have a major tech hub presence. However, reliable fiber internet, coworking spaces, and a growing startup scene exist in central Honolulu. Bank of Hawaii, Hawaiian Telcom, Oceanit, and smaller consulting firms represent the core tech employment base.
- Immigrants comprise significant shares of Hawaii's workforce: over one-third of healthcare support workers, nearly two-fifths of farmers/fishers/foresters, and immigrants own over one-quarter of Hawaii's businesses.
Military Presence
- Significance
- Substantial and highly influential on Oahu's demographics, economy, and infrastructure. Tens of thousands of active-duty service members, dependents, civilian workers, reservists, and National Guard members.
- Impact On Demographics
- Large military-affiliated population inflates de facto resident count beyond official census (active-duty service members, families, long-term civilian military employees counted in official figures but sometimes temporarily stationed).
Official Population
- Year
- 2025
- Figure
- 988703
- Source
- U.S. Census Bureau Vintage 2025 estimates (July 1, 2025)
- Note
- Oahu is coterminous with Honolulu County and comprises approximately 69% of Hawaii's population
Citizenship Status Oahu
- Non Citizens
- 7.3%
- US Born Citizens
- 76.8%
- Naturalized Citizens
- 16%
Foreign Born Percentage
- Year
- 2024
- Source
- Data USA / 2024 Census Bureau data (Honolulu County)
- Absolute Count
- 193000
- Oahu Honolulu County
- 19.2%
Business And Tech Presence
- Overview
- Limited compared to major U.S. tech hubs. Primary economy is tourism-dependent (>95% of business activity per local sources). Tech sector is growing but remains small.
- Major Employers
- Tourism, hospitality, military (Joint Base Pearl Harbor-Hickam, Fort Shafter, Schofield Barracks, Tripler Army Medical Center—tens of thousands of active-duty and civilian personnel). Military presence shapes housing, jobs, transportation, and schools on Oahu.
- Remote Work Presence
- Oahu is noted as the best location in Hawaii for reliable fiber, coworking spaces, and digital nomad infrastructure (1 Gbps symmetrical fiber available in Kakaako). However, no major tech headquarters or significant Silicon Valley offshoring.
- Foreign Investment Profile
- Limited tech venture presence; economy driven by tourism, real estate, and military spending. Growing startup scene but not a recognized tech hub.
Key Sectors
- Financial services: Bank of Hawaii (headquarters, major tech employer; software engineers earn $103k–$154k range 2026)
- Telecommunications: Hawaiian Telcom
- Consulting and systems: Oceanit, Intech Hawaii, Techmana, Wakelight Technologies
- HR/payroll software: Makai HR (founded 2018, Honolulu-based startup)
- Military-adjacent tech: Premier Solutions Hi (supply/logistics IT for U.S. Navy)
- Research/education: PISCES (Pacific Islands tech research, University of Hawaii)
- Innovation hubs: The Entrepreneurs Sandbox (co-working); Kakaako district (free community WiFi, emerging tech quarter)
Racial Ethnic Composition Oahu
- Hispanic
- calculated ~7-9%
- Native American
- 0.2%
- White Caucasian
- 18.2%
- African American
- 2.4%
- Pacific Islanders
- 9.5%
- Two Or More Races
- 25.4%
- Asian Non Hispanic
- 42.7%
- Note
- Oahu is one of only four U.S. states where residents of European ancestry do not form a majority.
Estimated Foreign Long Term Residents
- Considerations
- Oahu has documented expat and digital nomad communities; high cost of living ($3,484+ monthly for one-bedroom furnished apartment per relocation guides) deters many long-term stays, with 74% of expats reportedly leaving within 18 months. Reliable total count of all unregistered residents unavailable.
- Note
- Significantly higher than official registration due to tourist-visa residents, digital nomads, and other visa-exempt long-stayers not captured in census figures. No single authoritative enumeration exists; estimates below are derived from expat-community and relocation sources.
Notable Nationalities And Immigrant Communities
Philippines
- Note
- Largest foreign-born source; 114,478 Hawaii residents (2024 Census Bureau data). Major presence across Oahu's workforce and communities.
Japan
- Year
- 2024
- Count
- 24963
China
- Year
- 2024
- Count
- 21479
Korea
- Note
- Korean businesses concentrated on Ke'eaumoku Street ('Koreamoku'); newer Koreatown emerging in downtown Honolulu.
Samoa
- Count
- 28000
- Note
- Largest Polynesian group (other than native Hawaiians); majority live on Oahu as of historical data (1970s onward).
Vietnam, Thailand, Indonesia, India
- Note
- Recent immigration waves documented; growing diverse Asian communities.
AI-generated estimateData refreshed September 2026
Sources cited for this category
These are the sources cited in this local demographics research for this city. Individual figures may not each trace to one of them.
- 1.census.hawaii.gov
- 2.census.hawaii.gov
- 3.en.wikipedia.org
- 4.oahutripplanners.com
- 5.datausa.io
- 6.datausa.io
- 7.datausa.io
- 8.point2homes.com
- 9.americanimmigrationcouncil.org
- 10.en.wikipedia.org
- 11.to-hawaii.com
- 12.immigrationtounitedstates.org
- 13.en.wikipedia.org
- 14.pandaonline.com
- 15.indeed.com
- 16.builtin.com
- 17.nucamp.co
- 18.digitalnomads.world
- 19.jetpacglobal.com
- 20.relomap.app
More About Oahu
Data last updated September 2026 · Verify anything important.