ZIP Codes of Grand Isle County, VT

Population & People
Population & People
Total Population
7,450
Household Income
Household Income
Median Income
$97,863
Housing
Housing
Total Housing Units
5,326
Business & Economy
Business & Economy
Total Businesses
170
Employment
Employment
Employment Rate
61.04%
Education
Education
Bachelor's Degree+
44.04%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:802
Timezone:Eastern (GMT -05:00)
Local Time:11:55:34 PM
Population:7,450 [See All]
FIPS:50013
CBSA:Burlington-South Burlington, VT
Land Area:193 sq mi
Water Area:113 sq mi
Coordinates:44.7989, -73.3021
Quick Link:
https://www.zip-codes.com/county/vt-grand-isle.asp
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Vermont's oldest county
Median age 49.9.
Vermont's longest commutes
31-minute average travel time to work.
Striking education divide
Bachelor's share spans 27.6% to 61.1% — a 34-point gap.
Owner-dominated county
Just 10.1% of homes are rentals — strong homeownership culture.

Standout ZIPs in this County


Most Populous
Grand Isle · 2,278 people
30.6% of county total
Highest Income
South Hero · $126,513 median
1.3× county average
Largest Land Area
Alburgh · 47.5 sq mi
Spans the most ground
Fastest Growth
Alburgh · 12.9% (10-yr)
1,623 → 1,832 residents
Most Educated
South Hero · 61.1% bachelor's+
731 of 1,196 adults 25+

Things worth knowing about Grand Isle County


7,450 residents live across 5 ZIPs covering 193 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 6,979 to 7,450 from 2014 to 2024 — a +6.7% change. 3 ZIPs gained residents, 1 lost (and 1 held flat).

The county's wealthiest ZIP 05486 (South Hero, $126,513 median) and poorest ZIP 05440 (Alburgh, $76,429) are 20.8 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.0× across this county — from $268,300 in 05440 (Alburgh) to $544,700 in 05486 (South Hero).

Density varies across the county — from 27 people/sq mi in 05474 (North Hero) to 67 in 05458 (Grand Isle).

Educational attainment ranges from 27.6% bachelor's+ in 05440 (Alburgh) to 61.1% in 05486 (South Hero) — the breadth of educational profiles across the area.

Within Vermont, this is the #13 most populous of 14 counties and ranks #2 for median household income with the #2 fastest decade growth .

Weighted by population, the typical household earns about $99,078 across the county — reflecting what a typical resident sees, not a simple ZIP average.

44.0% of adults age 25+ hold a bachelor's degree or higher (2,532 of 5,749 reporting).

5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Grand Isle County


Higher-education hub

1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

South Hero
61.1%
1,500 residents

All ZIP Codes in Grand Isle County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
05458Grand IsleStandard2,278$101,72834.02.2%
05440AlburghStandard1,832$76,42947.512.9%
05486South HeroStandard1,500$126,51346.0-6.9%
05474North HeroStandard1,263$102,14347.434.5%
05463Isle La MotteStandard577$82,50018.40.0%

Adjacent & Nearby Counties