Sedgwick County Flag

Sedgwick County

State:
Kansas
County Seat:
Wichita

Sedgwick County's 2026 population is estimated at 547,735, reflecting a 1.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sedgwick County is the 2nd largest county in Kansas. The 2010 population was 499,138 and has grown 9.74% since 2010.

547,735
Total Population
549
Population Density (mi²)
2
Population Rank (State)
5.8K 1.08%
Annual Population Growth

Sedgwick County Population

Demographics

Economics and Income Statistics