There are 9 zip codes in Yuma County, Arizona. The most populated is 85364, located in Yuma. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8536471,910Yuma
8536551,394Yuma
8534926,190San Luis
8536720,761Yuma
8535019,031Somerton
853369,780San Luis
853563,703Wellton
85347608Roll
85352454Tacna

Zip Codes in Yuma County, Arizona by Population (2024)