Chittenden County, Vermont

The most populous of Vermont's 14 counties.

CountyFIPS 50007

Within Vermont
Chittenden County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Burlington, the county seat, located via the 2025 Census Gazetteer.

Download SVGFull Vermont map downloads

Population
169,115
+703 (+0.4%) since 2020
Land area
536.9
square miles. A further 13.5% of the total area is water
Population density
315
people per square mile, computed rather than published
County seat
Burlington
Seat of county government.
Established
1787
238 years ago
Largest city
Burlington city
Population 44,019.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Chittenden County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Chittenden County, Vermont from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 595 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Chittenden County ranks

Position among the 14 counties of Vermont, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn VermontNationally
Population169,1151st of 14419th of 3,144
Land area536.9 sq mi12th of 141,946th of 3,144
Population density315 per sq mi1st of 14420th of 3,144
Median household income$96,7592nd of 14203rd of 3,143

Full data for Chittenden County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population169,115Vintage 2025 Population Estimates
Population in 2020168,412Vintage 2025 Population Estimates
2020 estimates base?168,324Vintage 2025 Population Estimates
Land area536.9 sq mi2025 Gazetteer Files
Water area83.8 sq mi2025 Gazetteer Files
Total area620.7 sq mi2025 Gazetteer Files
Population density?315 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$96,759American Community Survey 2020-2024 5-Year Estimates
Median home value$439,200American Community Survey 2020-2024 5-Year Estimates
Median age37.3American Community Survey 2020-2024 5-Year Estimates
Households71,456American Community Survey 2020-2024 5-Year Estimates
Housing units74,888American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-22
1,270 births, 1,292 deaths
Net migration
-535
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Chittenden County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Addison CountyVermont28 mi38,048
Washington CountyVermont26 mi59,652
Essex CountyNew York21 mi36,438
Lamoille CountyVermont18 mi26,294
Franklin CountyVermont16 mi51,177
Grand Isle CountyVermont15 mi7,511
Clinton CountyNew York1.8 mi78,138

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 14 counties of Vermont

Open the interactive Vermont county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.