Demographics & People — Whiteside County, Illinois
Population & Households
| Population (official) | 55,569 |
|---|---|
| Median Age | 43.50 |
| Veterans | 3,569 |
| Housing Units | 25,860 |
| Uninsured | 539 |
Migration
| Inflow | 51,000 |
|---|---|
| Outflow | 50,682 |
| Net | 318 |
| 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 2026-04-13T15:43:27.774974+00:00; aggregated 2026-04-13T16:08:23.029824+00:00.