Demographics & People — Rock County, Wisconsin
Population & Households
| Population (official) | 163,817 |
|---|---|
| Median Age | 40 |
| Veterans | 9,376 |
| Housing Units | 70,230 |
| Uninsured | 1,063 |
Migration
| Inflow | 153,228 |
|---|---|
| Outflow | 152,679 |
| Net | 549 |
| 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 2026-04-13T15:43:31.341019+00:00; aggregated 2026-04-13T16:08:26.412122+00:00.