Demographics & People — Cumberland County, Maine
Population & Households
| Population (official) | 303,357 |
|---|---|
| Median Age | 42.10 |
| Veterans | 17,689 |
| Housing Units | 149,869 |
| Uninsured | 1,297 |
Migration
| Inflow | 292,570 |
|---|---|
| Outflow | 291,799 |
| Net | 771 |
| 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 2026-04-13T15:43:28.353117+00:00; aggregated 2026-04-13T16:08:23.559199+00:00.