Hawaii · county 15001

Hawaii County, Hawaii: public records at a glance

What national public records say about Hawaii County — people, schools, health, drinking water, bridges, disaster risk, the jail, federal grants and how to vote — each with its source. A full County Commons site (the budget line by line, your tax bill, audits, local offices) isn't built for Hawaii County yet — not gathered, never hidden.

209,790 people (2024 Census estimate, +4.5% since 2020)
4,028 square miles of land · 52 people per square mile

How Hawaii County compares — against the other counties in Hawaii

209,790 — people: 2nd highest of 5 Hawaii counties.
79.5 years — life expectancy: the lowest of 4 Hawaii counties.
5.5% — share of adults under 65 without health insurance: the highest of 4 Hawaii counties.
20.6% — child poverty: the highest of 4 Hawaii counties.
89.6% — households with broadband internet: 4th highest of 5 Hawaii counties.
$73,092 — median household income: the lowest of 4 Hawaii counties.
3.5% — share of bridges rated poor: the lowest of 4 Hawaii counties.
$700 — federal grant dollars per resident: the lowest of 5 Hawaii counties.
$365.0 million — expected yearly losses from natural hazards: 2nd highest of 5 Hawaii counties.

“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.

Drinking water — public water systems serving Hawaii County

37 active community water systems list Hawaii County in the area they serve, reporting 143,721 people served in all (a system that crosses county lines counts its whole population).

HILO groundwater · local government · HI0000101	39,477 served
NORTH KONA groundwater · local government · HI0000131	29,581 served
WAIKOLOA groundwater · private · HI0000135	12,100 served
SOUTH KOHALA surface water · local government · HI0000130	9,612 served
SOUTH KONA groundwater · local government · HI0000132	6,512 served
OLAA-MOUNTAIN VIEW groundwater · local government · HI0000112	6,467 served
NORTH KOHALA groundwater · local government · HI0000129	4,933 served
HAINA groundwater · local government · HI0000161	4,563 served

Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.

The jail — people held in the county jail

No county jail figure in the national data for Hawaii County — not gathered, never hidden. Some counties share a regional jail or have none.

Health, money and internet at home — Hawaii County beside Hawaii

Life expectancy79.5 years · Hawaii 81.4 years

Adults under 65 without health insurance5.5% · Hawaii 4.3%

Children in poverty20.6% · Hawaii 11.8%

Households without enough food (food insecurity)14.4% · Hawaii 13.1%

Households with broadband internet89.6% · Hawaii 91.0%

Households with severe housing problems24.2% · Hawaii 26.1%

Drug overdose deaths per 100,00015.8 · Hawaii 19.3

Residents per primary care doctor1,301 · Hawaii 1,122

Residents per mental health provider282 · Hawaii 320

Unemployment3.0% · Hawaii 3.0%

Median household income$73,092 · Hawaii $96,716

Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.

Disaster risk — FEMA's National Risk Index

Overall risk: Relatively High compared with other U.S. counties. FEMA estimates natural hazards cost Hawaii County about $365 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.

The costliest hazards here

River and inland flooding$185.3 million a year · Relatively High

Earthquake$121.3 million a year · Relatively High

Volcano$26.3 million a year · Very High

Tsunami$14.9 million a year · Relatively Moderate

Wildfire$14.1 million a year · Relatively High

Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.

Bridges — condition of every public bridge, 2025

231 bridges in Hawaii County: 100 in good condition, 123 fair, and 8 poor (3.5%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.

Busiest bridges rated poor

PAUAHI ST over WAIOLAMA CANAL · built 1949	9,600 vehicles a day
HAWAII BELT RD over NANUE STRM · built 1952	6,700 vehicles a day
HAWAII BELT RD over HAKALAU STRM · built 1953	6,700 vehicles a day
MAMALAHOA over HANAWI STRM · built 1922	600 vehicles a day
OLD MAMALAHOA HWY over KAWAINUI STREAM · built 1900	400 vehicles a day
OLD MAMALAHOA HWY over KAULA GULCH · built 1928	300 vehicles a day

Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.

Federal grants — the money that came in, and what's open now

Federal grants paid for $140.3 million of work in Hawaii County in fiscal 2025, about $700 per resident — to the county, cities, schools, hospitals, nonprofits and others.

Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.

Open now: federal grants county governments can apply for

F26AS00062: Great Lakes Fish and Wildlife Restoration Act FY 2026 Fish and Wildlife Service · F26AS00062	closes 2026-10-13
OVC FY 2026 Enhanced Collaborative Model (ECM) Task Force to Combat Human Trafficking Office for Victims of Crime · O-OVC-2026-172699	closes 2026-10-14
BJA FY 2026 Daniel Anderl Judicial Security and Privacy Program Bureau of Justice Assistance · O-BJA-2026-172661	closes 2026-10-15
FY26 Bureau of Land Management Youth Conservation Corps - Bureau wide Bureau of Land Management · L26AS00064	closes 2026-10-16
FY 2027 Notice of Funding Opportunity: Infrastructure Investment and Jobs Act (IIJA) FAA Contract Tower (FCT) Competitive Grant Program Airport Improvement Program Discretionary Grants · DOT-FAA-26-0117-002	closes 2026-10-19
Fiscal Year (FY) 2027 Service Area Competition (SAC) Health Resources and Services Administration · HRSA-27-005	closes 2026-10-19
Fiscal Year (FY) 2027 AmeriCorps Seniors RSVP Competition AmeriCorps · AC-08-20-2026	closes 2026-10-20
DOJ FY 2026 Assisting Neighborhoods and Governments with Enforcement of Laws (ANGEL) Grant Program Bureau of Justice Assistance · O-BJA-2026-172778	closes 2026-10-20
Long-term health outcomes of people living with spina bifida Centers for Disease Control - NCBDDD · CDC-RFA-DD-26-0222	closes 2026-10-26
OJJDP FY 2026 Juvenile Drug Treatment Court Program Office of Juvenile Justice Delinquency Prevention · O-OJJDP-2026-172741	closes 2026-10-29
BJA FY 2026 Veterans Treatment Court Program Bureau of Justice Assistance · O-BJA-2026-172714	closes 2026-10-29
BJA FY 2026 Prosecuting Cold Cases Using DNA Bureau of Justice Assistance · O-BJA-2026-172708	closes 2026-10-29

From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.

Voting

General election: Tuesday, November 3, 2026. Mail ballots arrive: 2026-10-16. Voter service centers open: 2026-10-20 to 2026-11-03. Paper registration deadline: 2026-10-26. Last day to ask for your ballot at a different address: 2026-10-27. Election Day: 2026-11-03.

Source: Hawaii Office of Elections, 2026 General Election Voter Guide · Hawaii Office of Elections, Voting in Hawaii · Hawaii Office of Elections, Voter Service Centers and Ballot Drop Boxes

Not here yet

The budget, property tax rates, audits, local officials and offices for Hawaii County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Hawaii County built: brayden.ozark@gmail.com.

More of Hawaii: the state government and every county in Hawaii.

Nearby counties: Maui County (112 mi) · Kalawao County (147 mi) · Honolulu County (218 mi) · Kauai County (320 mi) · San Francisco County, CA (2454 mi) · San Mateo County, CA (2480 mi).