Hampden County, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in Massachusetts
The population of Hampden County, Massachusetts is 462,853 as of the 2023 American Community Survey, making it the 8th-largest county in Massachusetts. The median household income is $70,535, the median home value is $276,300, and the median age is 39.8.
The population of Hampden County has declined 0.0% since 2010 (464,248 → 464,151), a -0.00% annualized rate.
462,853
Population
-0.00%
Annual growth
750
People / sq mi
$70,535
Median Income
$276,300
Median Home Value
Hampden County covers 617 sq mi of land at 750.2 people per square mile.
About Hampden County, MA
Hampden County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 750 people per square mile. Hampden County is a county in Massachusetts with a population of 462,853. That makes it one of the ten largest counties in Massachusetts in the country, at #8 by population.
Household earnings are middling, with a median of $70,535 — below the US median of $78,538. Poverty runs at 11.0%, below the national 12.4%. The median home value is $276,300, with typical rent around $1,105.
College attainment is above the local norm at 28.9%, below the national 35.0%. About 9.4% of the workforce is home-based, below the national 14.0%, and the average commute runs about 23 minutes each way.
That density explains much of the rest of the profile in Hampden County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Hampden County Population History (2010-2024)
The county of Hampden County had a population of 464,248 in 2010 and 464,151 in 2024, a 0.0% growth over 14 years. The peak was 469,561 in 2014. Average annual growth rate: 0.00%.
464,151
Population (2024)
464,248
Population (2010)
469,561
Peak (2014)
0.00%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 464,248 |
| 2011 | 466,191 |
| 2012 | 467,009 |
| 2013 | 467,828 |
| 2014 | 469,561 |
| 2015 | 469,251 |
| 2016 | 467,874 |
| 2017 | 467,552 |
| 2018 | 468,075 |
| 2019 | 465,749 |
| 2020 | 463,714 |
| 2021 | 462,640 |
| 2022 | 461,440 |
| 2023 | 462,128 |
| 2024 | 464,151 |
Race & Ethnicity
| White | 67.4% |
| Black or African American | 8.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
39.8
Median Age
51.4%
Female
48.6%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 17.2% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $70,535$-30,806 vs state |
| Mean household income | $93,919 |
| Per-capita income | $37,810 |
| Poverty rate | 11.0%+4.4% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 56.9% |
Top Industries by Employment
The largest employment sector in Hampden County is professional & business services, accounting for 31.1% of workers.
How residents commute
1.8%
Drive alone
1.9%
Carpool
77.8%
Public transit
9.4%
Work from home
22.9 min
Avg commute
Housing
$276,300$-249,500 vs state
Median home value
$1,105
Median rent
62.2%
Homeownership rate
197,210
Total housing units
93.4%
Occupied
6.6%
Vacant
37.8%
Renter-occupied
Social & access
96.9%
With health insurance
91.3%
With broadband internet
17.3%
Foreign-born
5.7%
Veterans (18+)
16.4%
With a disability
73.9%
Speak language other than English at home
Education
87.2%
High School+
28.9%
Bachelor's+
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County rankings
Common questions about Hampden County, MA
Frequently Asked Questions
Hampden County, Massachusetts has a population of 462,853 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in Massachusetts. Population density is 750 people per square mile.
The population of Hampden County has declined 0.0% since 2010 (464,248 → 464,151), a -0.00% annualized rate.
The median household income in Hampden County, Massachusetts is $70,535, with mean (average) household income of $93,919 and per-capita income of $37,810. 11.0% of residents live below the federal poverty level.
In Hampden County, the largest racial and ethnic groups are White (67.4%), Black or African American (8.7%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Hampden County, Massachusetts is 39.8 years. Residents are 51.4% female and 48.6% male.
The median home value in Hampden County is $276,300 and median monthly rent is $1,105. 62.2% of occupied housing units are owner-occupied. The county has 197,210 total housing units, 6.6% of which are vacant.
The largest employment sector in Hampden County, Massachusetts is professional, scientific, and management services, employing 31.1% of workers. The unemployment rate is 3.7%.
Boston is among the largest cities associated with Hampden 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.