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Grand Isle County, Vermont

Grand Isle County profile, demographic data, and geographic information.

Grand Isle County is a county located in Vermont, United States of America. As of official census estimates, it has a reported population of 7,511. The land area covers 81.77 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Grand Isle County
Official Title: County Administrator
Address: PO BOX 7, NORTH HERO VT 05474-0007

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 7,511 — 2025 / Census
Median Age 48.9 yrs ±0.5 2020-2024 / Census ACS 5-Year 2024
Total Households 3,140 ±155 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 5,326 ±21
Occupied Housing Units 3,140 ±155
Vacant Housing Units 2,186 ±155
Median Home Value $394,100 ±$24,617
Median Gross Rent $1,425 ±$121
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $97,396 ±$12,241
Per Capita Income $56,447 ±$3,535
Poverty Rate 7.9% ±1.8%
Population Below Poverty Level 589 ±135
Unemployment Rate 3.1% ±1.5%
Civilian Labor Force, Employed 3,866 ±133
Broadband Internet Rate 92.5% ±2.5%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at ST ALBANS RADIO, VT US, located 11.0 miles from Grand Isle County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 25.1° 8.2° 16.7° 2.12" 16.9"
February 28.5° 10.4° 19.4° 1.85" 18.3"
March 36.8° 20.0° 28.4° 2.63" 16.2"
April 52.0° 33.4° 42.7° 3.23" 6.2"
May 65.7° 46.2° 56.0° 3.24" 0.1"
June 74.4° 55.8° 65.1° 4.11" 0.0"
July 79.4° 60.9° 70.1° 4.10" 0.0"
August 77.2° 58.9° 68.0° 3.74" 0.0"
September 69.4° 51.0° 60.2° 3.93" 0.0"
October 56.1° 39.7° 47.9° 3.86" 1.2"
November 44.0° 29.5° 36.8° 2.86" 5.0"
December 32.3° 17.8° 25.0° 2.62" 16.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 50013. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.