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Addison County, Vermont

Addison County profile, demographic data, and geographic information.

Addison County is a county located in Vermont, United States of America. As of official census estimates, it has a reported population of 38,048. The land area covers 766.33 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Addison County
Official Title: Addison County Court Treasurer
Address: ADDISON COUNTY COURT, 7 MAHADY CT, MIDDLEBURY VT 05753-6014

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 38,048 — 2025 / Census
Median Age 44.1 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 14,966 ±225 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 17,617 ±56
Occupied Housing Units 14,966 ±225
Vacant Housing Units 2,651 ±219
Median Home Value $361,200 ±$8,938
Median Gross Rent $1,177 ±$60
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $89,639 ±$4,396
Per Capita Income $44,917 ±$1,347
Poverty Rate 7.6% ±1%
Population Below Poverty Level 2,609 ±339
Unemployment Rate 3.8% ±0.7%
Civilian Labor Force, Employed 20,035 ±465
Broadband Internet Rate 91.4% ±0.9%
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 CORNWALL, VT US, located 6.2 miles from Addison County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.1° 9.2° 18.2° 2.55" 13.3"
February 30.3° 10.3° 20.3° 2.07" 13.3"
March 39.5° 20.1° 29.8° 2.42" 11.9"
April 53.6° 32.7° 43.2° 3.35" 2.6"
May 67.0° 45.0° 56.0° 3.37" 0.0"
June 75.5° 54.5° 65.0° 4.21" 0.0"
July 80.4° 59.6° 70.0° 4.09" 0.0"
August 78.6° 57.0° 67.8° 3.53" 0.0"
September 71.3° 49.1° 60.2° 3.25" 0.0"
October 57.4° 38.0° 47.7° 3.96" 0.3"
November 44.3° 28.4° 36.4° 2.85" 3.8"
December 33.0° 17.5° 25.3° 3.02" 13.4"
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: 50001. • 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.