Grand Isle County GIS Maps

Grand Isle County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Grand Isle County Parcels

Grand Isle County has 6,239 mapped parcels. The median assessed value is $222,300. The median lot size is 1.47 acres. 1,221 parcels are 10 acres or larger. The records carry 5,750 distinct owner names. About 22% of parcels list an owner mailing address outside Vermont. Owner names and assessed values are on nearly every parcel. Mailing addresses reach 97.9%. Site addresses reach 98.0%. Browse the interactive Grand Isle County Parcel viewer here.

Grand Isle County Parcel Data Coverage

Field coverage measured across all Grand Isle County parcel records. Download free sample data here.

Grand Isle County Population

Grand Isle County had 7,293 residents in 2020. That was 4.6% higher than in 2010. Grand Isle County added 392 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 89 people per square mile. Some of the county's most populated postal areas include Grand Isle, Alburgh and South Hero.

Population Trend in Grand Isle County VT

Grand Isle County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Grand Isle County Zip Codes

Grand Isle County has 5 zip codes. Some of the county's most populated zip codes include Grand Isle (05458), Alburgh (05440) and South Hero (05486). Grand Isle is the largest zip by population, with about 2,152 residents or 30% of the county total. Together, the three largest zips account for about 80% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Grand Isle County VT

Grand Isle County Zip Code populations and trends per most recent census data.

Grand Isle County Demographics

Grand Isle County has a median age of 48.7, which makes the county a little older than Vermont overall. About 17.1% of residents are under 18, while 22.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 28.2% of the population, which points to a solid working-age base. About 43.2% of adults have a bachelor's degree or higher, above the statewide figure of 42.6%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Grand Isle County VT

Grand Isle County School Districts

Grand Isle County is served by 1 public school district with 2,443 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Grand Isle County VT

Grand Isle County school district enrollment and trends per most recent NCES reporting data.

Grand Isle County Housing & Real Estate

Grand Isle County has a median home value of $363,500 and a median gross rent of $1,436. About 91% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Vermont median, while rents come in above the state average. In March 2026, the median listing price was $493,750 and homes spent about 113 days on the market.

Businesses in Grand Isle County, VT

Grand Isle County has 387 business listings across 169 categories. The largest categories in Grand Isle County business listings are Farm (16, 4.1%), Campgrounds & RV Parks (12, 3.1%), and Convenience Stores (10, 2.6%). The full Grand Isle County business listings dataset includes names, categories, addresses and contact details where available. Grand Isle County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Grand Isle County, VT

Grand Isle County Business Listings

Grand Isle County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Grand Isle County Basemaps

Grand Isle County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Vermont — explore the full structure before you buy.