Demographics & People — Lewis County, Idaho
Population & Households
| Population (official) | 3,630 |
|---|---|
| Median Age | 49.10 |
| Veterans | 327 |
| Housing Units | 1,811 |
| Uninsured | 57 |
Migration
| Inflow | 3,866 |
|---|---|
| Outflow | 4,107 |
| Net | -241 |
| 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 2026-04-13T15:43:27.550460+00:00; aggregated 2026-04-13T16:08:22.839331+00:00.