Demographics & People — Jefferson County, Kansas

Population & Households

Population (official)18,387
Median Age43.20
Veterans1,240
Housing Units7,967
Uninsured70

Migration

Inflow18,347
Outflow18,436
Net-89
GrowingNo
Year2022-2023

Source: Census ACS 5-Year 2022. Official numbers: Census ACS 5-Year 2022 — county-level query.