There are 7 zip codes in Grant County, Oklahoma. The most populated is 73759, located in Medford. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
737591,263Medford
737661,222Pond Creek
74643529Lamont
73771390Wakita
74636270Deer Creek
73761230Nash
73758206Manchester

Zip Codes in Grant County, Oklahoma by Population (2024)