Zip Code 34945 — Fort Pierce, FL
34945 is a ZIP Code associated with Fort Pierce, FL, located within St. Lucie. The postal region supports an estimated population of 6,321 residents across Data Pending housing units, with a population density of 11.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (27.452190, -80.552130)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 34945 |
| Primary City | Fort Pierce |
| State / Province | FL |
| County | St. Lucie |
| Total Population | 6,321 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 11.2 people/sq mi |
| Timezone | America/New_York |
How 34945 Compares
| Metric | ZIP 34945 | St. Lucie County | FL State Average |
|---|
| Population | 6,321 | 378,816 | 22,412,596 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 11.2 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 34951 | Fort Pierce | 9.6 mi | 17,148 | N/A |
| Zip 32968 | Vero Beach | 9.7 mi | 15,912 | N/A |
| Zip 34947 | Fort Pierce | 10.8 mi | 12,804 | N/A |
| Zip 34987 | Port Saint Lucie | 11.8 mi | 21,727 | N/A |
| Zip 34981 | Fort Pierce | 11.8 mi | 5,031 | N/A |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →