There are 9 zip codes in Delaware County, Oklahoma. The most populated is 74344, located in Grove. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
7434414,436Grove
743467,895Jay
743316,950Afton
743384,879Colcord
743472,738Kansas
743422,293Eucha
743641,934Rose
74359293Oaks
74368100Twin Oaks

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