6th most populous of 14
With 588,593 residents in 2024, Bristol County ranks 6th by population among Massachusetts's 14 counties and is home to 8.2% of the state's residents.

Bristol County has the 2nd lowest share of college graduates in Massachusetts (30.8% of adults) and the 4th lowest median household income ($85,625).
Bristol County is home to 588,593 people (2024 estimate) on 553 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 588,593 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 548,285 | 2010 · U.S. Census Bureau |
| Population, 2000 | 535,817 | July 1, 2000 · Census intercensal |
| Change since 2000 | +9.8% | 2000–2024 · Census |
| International migration | +4,012 | 2024 · Census Vintage 2024 |
| Domestic migration | +349 | 2024 · Census Vintage 2024 |
| Birth rate | 8.9 per 1,000 | 2024 · calculated |
| Death rate | 10.2 per 1,000 | 2024 · calculated |
| Population rank in Massachusetts | 6th of 14 | 2024 · calculated |
| Per capita personal income | $69,073 | BEA, 2024 · official |
| Gross domestic product | $36.0 billion | BEA, current dollars, 2024 · official |
| Median household income | $85,625 | ACS 2020–2024 5-year · official |
| Poverty rate | 11.3% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 30.8% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 13.6% | ACS 2020–2024 5-year · official |
| Median home value | $451,200 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,245/month | ACS 2020–2024 5-year · official |
| Median age | 40.9 years | ACS 2020–2024 5-year · official |
| Households | 233,825 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 62.3% | ACS 2020–2024 5-year · official |
Comparable indicators for Bristol County, Massachusetts and the United States.
| Indicator | County | Massachusetts | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +1.6% | +1.5% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 8.9 | 9.5 | 10.6 | 2024 |
| Death rate (per 1,000) | 10.2 | 8.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 7.4 | 8.8 | 8.2 | 2024 |
| Population density (/mi²) | 1064.1 | 914.8 | 96.3 | 2024 |
| Per capita personal income | $69,073 | $93,607 | $73,204 | BEA, 2024 |
| Median household income | $85,625 | $103,960 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 11.3% | 10.0% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 30.8% | 47.3% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 13.6% | 18.0% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $451,200 | $562,100 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,245/month | $1,762/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 40.9 years | 40.0 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 62.3% | 62.5% | 65.2% | ACS 2020–2024 5-year |
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With 588,593 residents in 2024, Bristol County ranks 6th by population among Massachusetts's 14 counties and is home to 8.2% of the state's residents.
Its population went from 535,817 in 2000 to 588,593 in 2024, a change of +9.8%, compared with +12.2% for Massachusetts as a whole.
In the year to July 2024 the county recorded 5,215 births and 6,033 deaths, so deaths outnumbered births by 818.
Annual Census estimates since 2000 put the county's highest population in 2024, at 588,593.
Bristol County has about 1064.1 residents per square mile of land, ranking 5th of 14 counties; Massachusetts averages 914.8.
With a median household income of $85,625 (ACS 2020–2024 5-year), the county ranks 11th of 14 Massachusetts counties; the state median is $103,960.
Its economy produced $36.0 billion of GDP in 2024 (BEA), 7th largest among 14 Massachusetts counties.
Real GDP grew 2.4% in 2024, adjusted for inflation (BEA, chained 2017 dollars).