Demographics & People — Maricopa County, Arizona
Population & Households
| Population (official) | 4,430,871 |
|---|---|
| Median Age | 37.10 |
| Veterans | 244,160 |
| Housing Units | 1,821,463 |
| Uninsured | 92,542 |
Migration
| Inflow | 3,871,781 |
|---|---|
| Outflow | 3,861,260 |
| Net | 10,521 |
| 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 2026-04-13T15:43:26.699255+00:00; aggregated 2026-04-13T16:08:22.073641+00:00.