| Name | Hampden County |
| State | Massachusetts |
| FIPS Code | 25013 |
| County Seat | Springfield |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 462,128 |
| Population Growth Rate(2020-2024) | -0.8% |
| Majority Ethnicity | White 63.88% |
| Public School Majority Ethnicity | Hispanic 45% |
| Partisan Voting Index | Democratic:+5 |
| Unemployment Rate (May 2026) | 6.2% |
| Sales Tax Rate (2025) | 6.25% |
| Area Code(s) | 413 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 63.88% |
| African American | 8.24% |
| Hispanic | 25.17% |
| Asian | 2.43% |
| Native American | 0.25% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 39.26% |
| African American | 9.64% |
| Hispanic | 44.84% |
| Asian | 2.71% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 0.04% |