7,528 people (2024 Census estimate, +3.5% since 2020)
82 square miles of land · 92 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.
7 active community water systems list Grand Isle County in the area they serve, reporting 7,151 people served in all (a system that crosses county lines counts its whole population).
| NORTH HERO WATER SYSTEM surface water · local government · VT0020562 | 2,750 served |
| GRAND ISLE CONSOLIDATED WATER DISTRICT surface water · local government · VT0020614 | 1,600 served |
| GRAND ISLE FIRE DISTRICT 4 surface water · local government · VT0005139 | 1,078 served |
| SOUTH HERO FIRE DISTRICT 4 surface water · local government · VT0020080 | 760 served |
| ALBURGH VILLAGE WATER SYSTEM surface water · local government · VT0005136 | 576 served |
| SOUTH ALBURGH FIRE DISTRICT 2 buys surface water · local government · VT0020964 | 300 served |
| ALBURGH FIRE DISTRICT 1 surface water · local government · VT0005137 | 87 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 Grand Isle County — not gathered, never hidden. Some counties share a regional jail or have none.
3 school districts have their office in Grand Isle County. School taxes are usually the largest part of a property tax bill.
Spent $7.1 million — $4.5 million to run schools, about $21,941 per student, plus $252,000 on buildings and equipment. Money in: $31,000 local (mostly property tax), $6.7 million state, $0 federal.
Spent $8.9 million — $4.2 million to run schools, about $20,790 per student, plus $31,000 on buildings and equipment. Money in: $75,000 local (mostly property tax), $8.3 million state, $0 federal.
Spent $4.9 million — $3.3 million to run schools, about $22,712 per student, plus $4,000 on buildings and equipment. Money in: $169,000 local (mostly property tax), $4.3 million state, $0 federal.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Grand Isle County about $4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
8 bridges in Grand Isle County: 5 in good condition, 3 fair, and 0 poor (0.0%). “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.
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $-157,520 of work in Grand Isle County in fiscal 2025, about $-22 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.
Registration deadlines, early voting and polling places for Vermont are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Grand Isle 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 Grand Isle County built: brayden.ozark@gmail.com.
More of Vermont: the state government and every county in Vermont.
Nearby counties: Franklin County (20 mi) · Clinton County, NY (20 mi) · Chittenden County (26 mi) · Lamoille County (35 mi) · Washington County (50 mi) · Orleans County (51 mi).