Grand Isle County, Vermont Demographics 2026
Grand Isle County, Vermont has a population of 7,450, the 13th most populous county in Vermont. The median household income is $97,396 and the median home value is $394,100. The poverty rate is 7.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Grand Isle County Quick Facts
How Grand Isle County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 7,393 | 7,450 | +0.8% |
| Median household income | $90,625 | $97,396 | +7.5% |
| Median home value | $363,500 | $394,100 | +8.4% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 19 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Grand Isle County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Alburgh | 486 | $60,000 | 14.5% | $189,900 |
| South Hero | 219 | $98,654 | 6.4% | $475,000 |
Explore Vermont Rankings
Population Overview
Grand Isle County is located in Vermont with a total population of 7,450. It is the 13th most populous county out of 14 in Vermont. The county encompasses 2 Census-designated places.
Age Demographics
The median age in Grand Isle County is 48.9 years. This is 13% higher than the state median of 43.1 years.
Economy, Income & Housing
The median household income in Grand Isle County is $97,396. This is 20% higher than the state median of $81,203. It is also 21% higher than the national median of $80,734. The poverty rate stands at 7.9%. This is 21% lower than the state poverty rate of 10.1%. The unemployment rate is 3.1%. This is 14% lower than the state rate of 3.6%. The median home value is $394,100. Housing costs are 24% higher than the state median of $316,600. The home-value-to-income ratio is 4.0x. 89.9% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 73.2%.
Race & Ethnicity
Grand Isle County has a predominantly White (non-Hispanic) population, comprising 90.2% of all residents. Hispanic or Latino residents account for 2.2%. The Black or African American population (0.4%) is well below the state average of 1.1%. The Asian population (0.3%) is well below the state average of 1.8%.
Education
44.0% of residents aged 25 and older hold a bachelor's degree or higher. This is about the same as the state rate of 43.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.8%. Notably, 17.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All figures for Grand Isle County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Vermont and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Grand Isle County, Vermont?
Grand Isle County has a population of 7,450, making it the 13th most populous county in Vermont.
What is the median income in Grand Isle County?
The median household income in Grand Isle County is $97,396 with a poverty rate of 7.9%.
How many cities are in Grand Isle County, Vermont?
Grand Isle County contains 2 Census-designated places.