Demographics & People — Warren County, Illinois
Population & Households
| Population (official) | 16,760 |
|---|---|
| Median Age | 40.10 |
| Veterans | 923 |
| Housing Units | 7,602 |
| Uninsured | 60 |
Migration
| Inflow | 14,708 |
|---|---|
| Outflow | 15,012 |
| Net | -304 |
| 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 2026-04-13T15:43:27.768265+00:00; aggregated 2026-04-13T16:08:23.024820+00:00.