163,688 people (2024 Census estimate, −0.7% since 2020)
1,162 square miles of land · 141 people per square mile
“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.
35 active community water systems list Maui County in the area they serve, reporting 167,019 people served in all (a system that crosses county lines counts its whole population).
| WAILUKU surface water · local government · HI0000212 | 74,511 served |
| MAKAWAO surface water · local government · HI0000213 | 29,868 served |
| LAHAINA surface water · local government · HI0000214 | 20,065 served |
| KAANAPALI groundwater · private · HI0000205 | 8,000 served |
| UPPER KULA surface water · local government · HI0000215 | 7,686 served |
| KAPALUA groundwater · private · HI0000204 | 4,200 served |
| KAUNAKAKAI groundwater · local government · HI0000234 | 3,702 served |
| LOWER KULA surface water · local government · HI0000247 | 3,522 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.
No county jail figure in the national data for Maui County — not gathered, never hidden. Some counties share a regional jail or have none.
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.
Overall risk: Relatively Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Maui County about $132.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
187 bridges in Maui County: 66 in good condition, 108 fair, and 13 poor (7.0%). “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.
| Lahaina Bypass over Punakea Street · built 2017 | 16,500 vehicles a day |
| HANA HWY over NAILIILIHAELE STRM · built 1930 | 1,800 vehicles a day |
| HANA HWY over KAAIEA STRM · built 1928 | 1,800 vehicles a day |
| HANA HWY over PUNALAU STRM(KOLEA) · built 1911 | 1,800 vehicles a day |
| HANA HWY over HELELEIKEOHA STRM · built 1917 | 1,800 vehicles a day |
| HANA HWY over WAIKAKOI STRM · built 1911 | 775 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.8 billion of work in Maui County in fiscal 2025, about $10,913 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.
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.
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
The budget, property tax rates, audits, local officials and offices for Maui 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 Maui County built: brayden.ozark@gmail.com.
More of Hawaii: the state government and every county in Hawaii.
Nearby counties: Kalawao County (35 mi) · Honolulu County (111 mi) · Hawaii County (112 mi) · Kauai County (215 mi) · Aleutians East Borough, AK (2398 mi) · San Francisco County, CA (2458 mi).