Demographics & People — Jefferson County, Kentucky
Population & Households
| Population (official) | 779,232 |
|---|---|
| Median Age | 38.50 |
| Veterans | 40,446 |
| Housing Units | 356,155 |
| Uninsured | 6,326 |
Migration
| Inflow | 657,366 |
|---|---|
| Outflow | 669,144 |
| Net | -11,778 |
| 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 2026-04-13T15:43:28.221884+00:00; aggregated 2026-04-13T16:08:23.441821+00:00.