Martin County, Florida
Martin County, Florida | |
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Martin County Courthouse | |
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Seal | |
Location within the U.S. state of Florida | |
| Coordinates: 27°05′N 80°24′W / 27.08°N 80.4°W | |
| Country | United States |
| State | Florida |
| Founded | May 30, 1925 |
| Named after | John W. Martin |
| Seat | Stuart |
| Largest community | Palm City |
| Area | |
• Total | 753 sq mi (1,950 km2) |
| • Land | 543 sq mi (1,410 km2) |
| • Water | 209 sq mi (540 km2) 27.8% |
| Population (2020) | |
• Total | 158,431 |
• Estimate (2023) | 163,315 |
| • Density | 292/sq mi (113/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 21st |
| Website | www |
Martin County is a county located in the southeastern part of the state of Florida, in the United States. As of the 2020 census, the population was 158,431. Its county seat is Stuart. Martin County is in the Port St. Lucie, FL Metropolitan Statistical Area.