Demographics & People — Plymouth County, Massachusetts
Population & Households
| Population (official) | 529,548 |
|---|---|
| Median Age | 42.70 |
| Veterans | 26,101 |
| Housing Units | 215,021 |
| Uninsured | 1,638 |
Migration
| Inflow | 496,570 |
|---|---|
| Outflow | 495,032 |
| Net | 1,538 |
| Growing | Yes |
| 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 2026-04-13T15:43:28.488762+00:00; aggregated 2026-04-13T16:08:23.686293+00:00.