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
Population
City
3495378,558Port Saint Lucie
3498345,943Port Saint Lucie
3495241,779Port Saint Lucie
3498629,319Port Saint Lucie
3498226,727Fort Pierce
3498418,691Port Saint Lucie
3495017,623Fort Pierce
3495116,853Fort Pierce
3498714,507Port Saint Lucie
3494712,992Fort Pierce
349497,993Fort Pierce
349816,703Fort Pierce
349465,825Fort Pierce
349455,608Fort Pierce

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