Demographics & People — DuPage County, Illinois
Population & Households
| Population (official) | 930,559 |
|---|---|
| Median Age | 39.90 |
| Veterans | 27,703 |
| Housing Units | 365,347 |
| Uninsured | 5,947 |
Migration
| Inflow | 905,072 |
|---|---|
| Outflow | 921,556 |
| Net | -16,484 |
| 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 2026-04-13T15:43:27.620520+00:00; aggregated 2026-04-13T16:08:22.899247+00:00.