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List of Zip Codes in Downey, California

Outlined below is a zip code list for Downey. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the Downey Zip Code Map.

Zip Code 90240 Population: 25,258
Zip Code 90241 Population: 43,786
Zip Code 90242 Population: 42,763