Berkshire County, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 11th-largest in Massachusetts
The population of Berkshire County, Massachusetts is 128,047 as of the 2023 American Community Survey, making it the 11th-largest county in Massachusetts. The median household income is $72,565, the median home value is $283,800, and the median age is 47.8.
The population of Berkshire County has declined 2.0% since 2010 (131,318 → 128,726), a -0.14% annualized rate.
128,047
Population
-0.14%
Annual growth
138
People / sq mi
$72,565
Median Income
$283,800
Median Home Value
Berkshire County covers 927 sq mi of land at 138.1 people per square mile.
About Berkshire County, MA
Educational attainment is the headline number in Berkshire County: 38.3% of adults 25 and older have a four-year degree. With 128,047 residents, Berkshire County is a county in Massachusetts. It ranks #11 among counties in Massachusetts by population.
Median household income is $72,565, below the US median of $78,538. The poverty rate, 7.0%, is on the lower side for US counties and below the national 12.4%. Home values run above average at $283,800, with typical rent around $1,042.
Berkshire County is among the best-educated US counties: 38.3% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Remote work is on the higher side at 12.7%, below the national 14.0%, and the average commute runs about 21 minutes each way.
The education numbers are the throughline: a college-heavy population in Berkshire County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Berkshire County Population History (2010-2024)
The county of Berkshire County had a population of 131,318 in 2010 and 128,726 in 2024, a -2.0% growth over 14 years. The peak was 131,318 in 2010. Average annual growth rate: -0.14%.
128,726
Population (2024)
131,318
Population (2010)
131,318
Peak (2010)
-0.14%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 131,318 |
| 2011 | 130,565 |
| 2012 | 130,321 |
| 2013 | 129,542 |
| 2014 | 128,928 |
| 2015 | 127,950 |
| 2016 | 127,182 |
| 2017 | 126,518 |
| 2018 | 126,146 |
| 2019 | 125,217 |
| 2020 | 129,812 |
| 2021 | 130,199 |
| 2022 | 129,551 |
| 2023 | 128,863 |
| 2024 | 128,726 |
Race & Ethnicity
| White | 87.3% |
| Black or African American | 2.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
47.8
Median Age
50.9%
Female
49.1%
Male
24.7%
Age 65+
Age Distribution
Children (under 15): 13.2% · Seniors (65+): 24.7%
Income & Poverty
| Median household income | $72,565$-28,776 vs state |
| Mean household income | $105,155 |
| Per-capita income | $47,668 |
| Poverty rate | 7.0%+0.4% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 57.6% |
Top Industries by Employment
The largest employment sector in Berkshire County is professional & business services, accounting for 32.2% of workers.
How residents commute
1.4%
Drive alone
5.2%
Carpool
71.8%
Public transit
12.7%
Work from home
20.7 min
Avg commute
Housing
$283,800$-242,000 vs state
Median home value
$1,042
Median rent
70.0%
Homeownership rate
69,861
Total housing units
80.9%
Occupied
19.1%
Vacant
30.0%
Renter-occupied
Social & access
97.9%
With health insurance
93.4%
With broadband internet
28.8%
Foreign-born
6.0%
Veterans (18+)
15.7%
With a disability
92.6%
Speak language other than English at home
Education
93.7%
High School+
38.3%
Bachelor's+
Largest cities in Massachusetts
Other counties in Massachusetts
Part of Massachusetts
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County rankings
Frequently Asked Questions
Berkshire County, Massachusetts has a population of 128,047 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest county in Massachusetts. Population density is 138 people per square mile.
The population of Berkshire County has declined 2.0% since 2010 (131,318 → 128,726), a -0.14% annualized rate.
The median household income in Berkshire County, Massachusetts is $72,565, with mean (average) household income of $105,155 and per-capita income of $47,668. 7.0% of residents live below the federal poverty level.
In Berkshire County, the largest racial and ethnic groups are White (87.3%), Black or African American (2.5%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Berkshire County, Massachusetts is 47.8 years. Residents are 50.9% female and 49.1% male.
The median home value in Berkshire County is $283,800 and median monthly rent is $1,042. 70.0% of occupied housing units are owner-occupied. The county has 69,861 total housing units, 19.1% of which are vacant.
The largest employment sector in Berkshire County, Massachusetts is professional, scientific, and management services, employing 32.2% of workers. The unemployment rate is 3.4%.
Boston is among the largest cities associated with Berkshire County, Massachusetts, with a population of 663,972.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.