Demographics & People — Jefferson County, Wisconsin
Population & Households
| Population (official) | 85,932 |
|---|---|
| Median Age | 41.50 |
| Veterans | 4,601 |
| Housing Units | 36,469 |
| Uninsured | 381 |
Migration
| Inflow | 81,474 |
|---|---|
| Outflow | 81,103 |
| Net | 371 |
| 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 2026-04-13T15:43:31.295768+00:00; aggregated 2026-04-13T16:08:26.377081+00:00.