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
City
Population
74344Grove14,436
74346Jay7,895
74331Afton6,950
74338Colcord4,879
74347Kansas2,738
74342Eucha2,293
74364Rose1,934
74359Oaks293
74368Twin Oaks100

Delaware County, Oklahoma Zip Codes by Population (2024)