Port St. Lucie Metro Area Counties

2 counties · 568,721 people (2025) · 1,116 sq mi

The Port St. Lucie metro area (officially the Port St. Lucie, FL Metropolitan Statistical Area) has 2 counties in Florida, with 568,721 people in 2025. St. Lucie County is the most populous.

Map of the 2 counties of the Port St. Lucie metro area with county names and major cities
The 2 counties of the Port St. Lucie metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
PDF (Letter) 108 KBPNG (2400 px) 68 KB

The 2 counties of the Port St. Lucie metro area

Sorted by population.

CountyCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
St. Lucie CountyFort Pierce402,449+22.2%572Central
Martin CountyStuart166,272+5%544Central

The metro area is part of the larger Miami-Port St. Lucie-Fort Lauderdale, FL Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Florida

Other metro areas

All 97 metro area county maps

Sources