Addison County GIS Maps
Addison County, Vermont, has 37,363 residents across 18,084 parcels and covers 766.3 square miles. The population grew 1.5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Addison County is 50001.
Vergennes is the county's largest population center. Addison County also includes 15 zip codes, 6 public school districts and 42 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Addison County Trends
- Population
- 37,363▴
- Median Home Value
- $333,700▴
- K-12 Enrollment
- 6,204▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Addison 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.
Addison County Parcels
Addison County has 18,084 mapped parcels covering 456,820 acres. The median assessed value is $288,400. The median lot size is 3.39 acres. 5,979 parcels are 10 acres or larger. The records carry 16,004 distinct owner names. About 9% of parcels list an owner mailing address outside Vermont. Owner names, mailing addresses, site addresses and assessed values are on nearly every parcel. Lot sizes reach 95.6%. Browse the interactive Addison County Parcel viewer here.
Addison County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 18,084 | 100% |
| Owner name | 17,998 | 99.5% |
| Owner mailing address | 17,927 | 99.1% |
| Site address | 17,849 | 98.7% |
| Land use code | 18,000 | 99.5% |
| Land use description | 0 | 0% |
| Assessed value | 18,000 | 99.5% |
| Land value | 18,000 | 99.5% |
| Improvement value | 18,000 | 99.5% |
| Acreage | 17,285 | 95.6% |
| Parcel boundary | 18,084 | 100% |
| Download all Addison County parcels. | ||
Field coverage measured across all Addison County parcel records.
Addison County Population
Addison County had 37,363 residents in 2020. That was 1.5% higher than in 2010. Addison County added 1,389 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 49 people per square mile. Some of the county's most populated postal areas include Middlebury, Bristol and Vergennes.
Population Trend in Addison County VT
Addison County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Addison County Zip Codes
Addison County has 15 zip codes. Some of the county's most populated zip codes include Middlebury (05753), Bristol (05443) and Vergennes (05491). Middlebury is the largest zip by population, with about 11,113 residents or 30% of the county total. Together, the three largest zips account for about 62% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Addison County VT
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 05753 | Middlebury | 11,113 | ▴ 5.9% |
| 05443 | Bristol | 6,387 | ▾ -4% |
| 05491 | Vergennes | 5,784 | ▾ -2.1% |
| 05472 | New Haven | 1,787 | ▴ 8.8% |
| 05487 | Starksboro | 1,507 | ▴ 0.6% |
| Download all zip code data | |||
Addison County Zip Code populations and trends per most recent census data.
Addison County Demographics
Addison County has a median age of 44, which makes the county a little older than Vermont overall. About 16.2% of residents are under 18, while 22% 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 26.6% of the population, which points to a solid working-age base. About 43.5% 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 Addison County VT
Median Age
44
Under 18
16.2%
Age 65+
22%
Bachelor's+
43.5%
Addison County School Districts
Addison County is served by 6 public school districts with 6,204 students enrolled in 2024. The largest districts on the county map are Addison Central Unified, Mt. Abraham Unified and Slate Valley Unified Union 62. Those three districts account for about 67% 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 Addison County VT
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Addison Central Unified School District | 1,743 | 28.1% | ▾ -0.5% |
| Mt. Abraham Unified School District | 1,223 | 19.7% | ▾ -3.9% |
| Slate Valley Unified Union School District 62 | 1,175 | 18.9% | ▾ -3.2% |
| Otter Valley Unified Union School District 53 | 1,158 | 18.7% | ▾ -2.4% |
| Addison Northwest Unified School District | 905 | 14.6% | ▾ -0.4% |
| Download all school district data | |||
Addison County school district enrollment and trends per most recent NCES reporting data.
Addison County Housing & Real Estate
Addison County has a median home value of $333,700 and a median gross rent of $1,201. About 80% 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 below the state average. In March 2026, the median listing price was $543,500 and homes spent about 139 days on the market.
Addison County Housing Mix
Addison County housing mix: owner, renter and vacant units.
Addison County Housing Trends
Addison County median home value and rent trend (last 5 years).
Businesses in Addison County, VT
Addison County has 1,940 business listings across 446 categories. The largest categories in Addison County business listings are Farm (100, 5.2%), Churches & Religious Organizations (38, 2.0%), and Gas Stations (34, 1.8%). The full Addison County business listings dataset includes names, categories, addresses and contact details where available. Addison County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Addison County, VT
| Category | Businesses | Share |
|---|---|---|
| Farm | 100 | 5.2% |
| Churches & Religious Organizations | 38 | 2.0% |
| Gas Stations | 34 | 1.8% |
| Auto Repair | 32 | 1.6% |
| Community & Nonprofits | 32 | 1.6% |
| Contractors | 31 | 1.6% |
| Restaurants | 25 | 1.3% |
| Professional Services | 23 | 1.2% |
| Bed And Breakfast | 23 | 1.2% |
| Elementary School | 22 | 1.1% |
Addison County Business Listings
| Business | Category | City |
|---|---|---|
| LaForce Hall | Accommodation | Middlebury |
| Telling and Associates | Accountant | Middlebury |
| Sunset Ledge, Vermont | Active Life | Montreal |
| Middlebury Acupuncture | Acupuncture | Middlebury |
| Outdoor Cover Warehouse | Adventure Sports Center | Shoreham |
| Muse Media | Advertising Agency | New Haven |
| Depot Farm Supply Inc | Agricultural Service | Whiting |
| Phoenix Feeds & Nutrition | Agriculture | New Haven |
| J and M Aviation Corporation | Airlines | Middlebury |
| Middlebury State Airport | Airport | Middlebury |
| Download Addison County business listings | ||
Addison County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Addison County Basemaps
Addison 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.
Get the Full Addison County Data Package
This page shows a preview of what's included in the Addison County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Addison County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.