ZIP codes in Seward County
7 ZIPs touch Seward County, Kansas. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
5
cross the county line
26,782
people in these ZIPs
105
counties in KS
Most people
Seward County ZIP list
More counties in Kansas
- Rooks County10
- Rush County10
- Russell County11
- Saline County10
- Scott County4
- Sedgwick County57
- Shawnee County43
- Sheridan County11
- Sherman County4
- Smith County10
- Stafford County9
- Stanton County3
Questions people actually ask
How many ZIP codes are in Seward County, Kansas?
7 ZIP codes reach into Seward County, including 1 PO Box or single-address ZIPs placed by the town they serve. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Seward County has the most people?
67901 (Liberal) has about 20,902 residents, the most of any ZIP touching Seward County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Seward 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 Seward 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