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+
Largest cities in Massachusetts
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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.
Hampden County, MA Climate
Hampden County, MA has an average annual temperature of 9.7°C (49°F) and receives about 1134 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.7°C
Avg Temp
1134
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 88 mm |
| February | -3° / 27° | 79 mm |
| March | 3° / 37° | 91 mm |
| April | 8° / 47° | 98 mm |
| May | 15° / 59° | 105 mm |
| June | 20° / 67° | 97 mm |
| July | 23° / 73° | 92 mm |
| August | 22° / 71° | 98 mm |
| September | 17° / 63° | 96 mm |
| October | 11° / 52° | 93 mm |
| November | 6° / 42° | 101 mm |
| December | -1° / 31° | 96 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Hampden County, MA
The most comfortable months to visit Hampden County, MA are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -10°C low). May is usually the wettest month.
Where to stay near Hampden County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.