There are 13 zip codes in Sumner County, Kansas. The most populated is 67152, located in Wellington. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
671529,006Wellington
671108,423Mulvane
670133,099Belle Plaine
670312,503Conway Springs
670221,562Caldwell
671191,199Oxford
67140990South Haven
67120857Peck
67004800Argonia
67051412Geuda Springs
67106295Milton
67103232Mayfield
67105168Milan

Zip Codes in Sumner County, Kansas by Population (2024)