There are 6 zip codes in McClain County, Oklahoma. The most populated is 73080, located in Purcell. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
73080Purcell10,037
73065Newcastle9,877
73093Washington3,706
73095Wayne2,061
74831Byars666
73031Dibble42

McClain County, Oklahoma Zip Codes by Population (2024)