CITY · KS

What county is Wichita, KS in?

Wichita, KS is mostly in Sedgwick County. County FIPS code 20173, population 528,469 (2023 estimate).

County details

City: Wichita, Kansas
Primary county: Sedgwick County
FIPS code: 20173
County population: 528,469

Some cities extend into more than one county. Wichita is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Wichita in?

Wichita, KS is mostly in Sedgwick County.

What is the county seat of Sedgwick County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

Sources: U.S. Census Bureau geographic reference files; FCC Area API; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.