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ZIP codes in Sedgwick County

57 ZIPs touch Sedgwick County, Kansas. The blue dashed line is the county border; orange ZIPs reach into it.

57

ZIP codes

15

cross the county line

548,202

people in these ZIPs

105

counties in KS

Most people

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Sedgwick County ZIP list

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All 105 counties in Kansas

Questions people actually ask

How many ZIP codes are in Sedgwick County, Kansas?

57 ZIP codes reach into Sedgwick County, including 5 PO Box or single-address ZIPs placed by the town they serve. 15 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Sedgwick County has the most people?

67212 (Wichita) has about 42,902 residents, the most of any ZIP touching Sedgwick County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Sedgwick County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Sedgwick County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

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Updated 2026-11-10 · Where the data comes from