St. Lucie County, Florida
St. Lucie County is a county in Florida. Its county FIPS code is 12111. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 12111
- Representative coordinates
- 27.379814, -80.443536
- County type
- County
- County seat or government
- Fort Pierce
- Resident population, July 2025
- 402,449
- Land area
- 1,481.146 km²
- Water area
- 300.766 km²
- State
- Florida
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in St. Lucie County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
32963 · 34945 · 34946 · 34947 · 34949 · 34950 · 34951 · 34952 · 34953 · 34957 · 34972 · 34981 · 34982 · 34983 · 34984 · 34986 · 34987 · 34990
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.