Demographics & People — Johnson County, Kansas

Population & Households

Population (official)610,742
Median Age38.10
Veterans26,649
Housing Units252,108
Uninsured5,249

Migration

Inflow606,621
Outflow608,255
Net-1,634
GrowingNo
Year2022-2023

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