Demographics & People — Hampden County, Massachusetts
Population & Households
| Population (official) | 464,575 |
|---|---|
| Median Age | 39.50 |
| Veterans | 22,488 |
| Housing Units | 196,957 |
| Uninsured | 2,678 |
Migration
| Inflow | 389,931 |
|---|---|
| Outflow | 393,596 |
| Net | -3,665 |
| Growing | No |
| Year | 2022-2023 |
Source: Census ACS 5-Year 2022. Official numbers: Census ACS 5-Year 2022 — county-level query.
Data provenance: aggregated from town-level sources, county.json. Rebuilt 2026-04-13T15:43:28.473290+00:00; aggregated 2026-04-13T16:08:23.671299+00:00.