Demographics & People — Johnson County, Tennessee

Population & Households

Population (official)17,982
Median Age46.20
Veterans1,411
Housing Units8,741
Uninsured296

Migration

Inflow14,042
Outflow12,867
Net1,175
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 2026-04-13T15:43:30.548869+00:00; aggregated 2026-04-13T16:08:25.651882+00:00.