There are 14 zip codes in St. Lucie County, Florida. The most populated is 34953, located in Port Saint Lucie. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
34953Port Saint Lucie78,558
34983Port Saint Lucie45,943
34952Port Saint Lucie41,779
34986Port Saint Lucie29,319
34982Fort Pierce26,727
34984Port Saint Lucie18,691
34950Fort Pierce17,623
34951Fort Pierce16,853
34987Port Saint Lucie14,507
34947Fort Pierce12,992
34949Fort Pierce7,993
34981Fort Pierce6,703
34946Fort Pierce5,825
34945Fort Pierce5,608

St. Lucie County, Florida Zip Codes by Population (2024)