There are 7 zip codes in Linn County, Kansas. The most populated is 66040, located in La Cygne. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
660403,216La Cygne
660752,503Pleasanton
660561,462Mound City
660721,365Parker
66014576Centerville
66010497Blue Mound
66767305Prescott
showing: 7 rows

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