There are 5 zip codes in Thomas County, Kansas. The most populated is 67701, located in Colby. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
677016,220Colby
67732643Brewster
67753438Rexford
67743222Levant
67734155Gem
showing: 5 rows

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