Demographics & People — DeKalb County, Illinois
Population & Households
| Population (official) | 100,686 |
|---|---|
| Median Age | 31.80 |
| Veterans | 4,798 |
| Housing Units | 41,399 |
| Uninsured | 404 |
Migration
| Inflow | 92,754 |
|---|---|
| Outflow | 93,272 |
| Net | -518 |
| 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 2026-04-13T15:43:27.614899+00:00; aggregated 2026-04-13T16:08:22.894705+00:00.