Demographics & People — Franklin County, Illinois
Population & Households
| Population (official) | 37,810 |
|---|---|
| Median Age | 43.20 |
| Veterans | 2,698 |
| Housing Units | 18,478 |
| Uninsured | 335 |
Migration
| Inflow | 32,150 |
|---|---|
| Outflow | 32,505 |
| Net | -355 |
| 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 2026-04-13T15:43:27.627446+00:00; aggregated 2026-04-13T16:08:22.905947+00:00.