Demographics & People — Piatt County, Illinois
Population & Households
| Population (official) | 16,698 |
|---|---|
| Median Age | 41.80 |
| Veterans | 750 |
| Housing Units | 7,377 |
| Uninsured | 80 |
Migration
| Inflow | 16,579 |
|---|---|
| Outflow | 16,583 |
| Net | -4 |
| 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 2026-04-13T15:43:27.730682+00:00; aggregated 2026-04-13T16:08:22.993680+00:00.