Demographics & People — Williamson County, Tennessee

Population & Households

Population (official)248,897
Median Age40
Veterans10,029
Housing Units91,828
Uninsured1,676

Migration

Inflow281,334
Outflow272,667
Net8,667
GrowingYes
Year2022-2023

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 2026-04-13T15:43:30.588101+00:00; aggregated 2026-04-13T16:08:25.690682+00:00.