Bristol County, Massachusetts

A county in Massachusetts, ranked 6 of 14 by population.

CountyFIPS 25005

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

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Population
593,640
+16,917 (+2.9%) since 2020
Land area
553.1
square miles. A further 20.0% of the total area is water
Population density
1,073
people per square mile, computed rather than published
County seat
Taunton
Seat of county government.
Established
1685
340 years ago
Largest city
New Bedford city
Population 101,834.

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 Bristol 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 Bristol County, Massachusetts 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 574 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 Bristol County ranks

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

MeasureValueIn MassachusettsNationally
Population593,6406th of 14119th of 3,144
Land area553.1 sq mi7th of 141,885th of 3,144
Population density1,073 per sq mi5th of 14151st of 3,144
Median household income$85,62511th of 14407th of 3,143

Full data for Bristol County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population593,640Vintage 2025 Population Estimates
Population in 2020576,723Vintage 2025 Population Estimates
2020 estimates base?579,295Vintage 2025 Population Estimates
Land area553.1 sq mi2025 Gazetteer Files
Water area138 sq mi2025 Gazetteer Files
Total area691.1 sq mi2025 Gazetteer Files
Population density?1,073 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$85,625American Community Survey 2020-2024 5-Year Estimates
Median home value$451,200American Community Survey 2020-2024 5-Year Estimates
Median age40.9American Community Survey 2020-2024 5-Year Estimates
Households233,825American Community Survey 2020-2024 5-Year Estimates
Housing units245,025American 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
-142
5,461 births, 5,603 deaths
Net migration
+2,889
More people moved in than moved out.

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

The 7 areas bordering Bristol 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
Plymouth CountyMassachusetts51 mi546,829
Newport CountyRhode Island21 mi83,051
Providence CountyRhode Island19 mi678,179
Dukes CountyMassachusetts18 mi21,219
Norfolk CountyMassachusetts17 mi739,749
Bristol CountyRhode Island8.4 mi50,001
Barnstable CountyMassachusetts0.5 mi233,539

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

Side by side

All 14 counties of Massachusetts

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

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