Demographics & People — Sullivan County, Tennessee
Population & Households
| Population (official) | 158,722 |
|---|---|
| Median Age | 45.20 |
| Veterans | 11,547 |
| Housing Units | 75,686 |
| Uninsured | 536 |
Migration
| Inflow | 148,855 |
|---|---|
| Outflow | 144,033 |
| Net | 4,822 |
| 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 2026-04-13T15:43:30.578384+00:00; aggregated 2026-04-13T16:08:25.681831+00:00.