Hampden County's 2026 population is estimated at 468,197, reflecting a 0.43% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hampden County is the 8th largest county in Massachusetts. The 2010 population was 464,248 and has grown 0.85% since 2010.
Data after 2023 is projected based on recent change
Overall: 40 years
Female: 41.2 years
Male: 38.5 years
There are 366,054 adults, (84,523 of whom are seniors) in Hampden County.
Female: 237,689 (51.4%)
Male: 225,126 (48.6%)
The racial composition of Hampden County includes 63.8% White, 8.75% other race, 8.71% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 295,267 | 63.8% |
| Two or more races | 73,336 | 15.85% |
| Other race | 40,504 | 8.75% |
| Black or African American | 40,334 | 8.71% |
| Asian | 12,007 | 2.59% |
| Native American | 1,292 | 0.28% |
| Native Hawaiian or Pacific Islander | 75 | 0.02% |
Hampden County 's average per capita income is $52,480. Household income levels show a median of $71,306. The poverty rate stands at 16.34%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $117,216 | $141,233 |
| Families | $91,397 | $115,346 |
| Households | $71,306 | $94,811 |
| Non Families | $40,937 | $56,637 |
Average Income
Median Household Income
Poverty Rate