Fort Pierce is a city in and the county seat of St. Lucie County, Florida, United States. The city is part of the Treasure Coast region of Atlantic Coast Florida. It is also known as the Sunrise City, sister to San Francisco, California, the Sunset City. Per the 2020 census, the population was 47,297. History It was named after the Fort Pierce Army post which was built nearby in 1838 during the Second Seminole War. The military post had been named for Benjamin Kendrick Pierce, a career United States Army officer and the brother of President Franklin Pierce. It was the largest city on Florida's Atlantic Coast between Daytona Beach and West Palm Beach until 1970 when it was surpassed by Melbourne. Geography According to the U. S. Census Bureau, the city has a total area of 20.8 mi2 (53.8 km2), of which 14.7 square miles (38.2 km2) is land and 6.0 square miles (15.6 km2) of it (35.00%) is water. Environment Shore Protection project According to the U.S. Army Corps of Engineers, The Fort Pierce Beach Shore Protection project includes 1.3 miles of shore line running from immediately south of the Fort Pierce Inlet southward to Surfside Park. The project is on a two-year renourishment cycle due to impacts to the beach from the federal navigation project at Fort Pierce Inlet. This two-year renourishment cycle is a much shorter renourishment interval than what is typical for other projects along the east coast of Florida. The initial construction of the project occurred in 1971 and the ninth nourishment was completed in May 2013. Completion of plans and specifications, advertisement and award for the 10th renourishment contract were completed in FY 2014. The project was scheduled to start mid-February 2015. Sand for the project is dredged from an approved offshore borrow area known as the Capron Shoal and then pumped via a pipeline onto the 1.3 miles of beach south of the Fort Pierce Inlet. The sponsor, St. Lucie County, is preparing a General Reevaluation Report (GRR) for the project at their own expense that will evaluate extending Federal participation for an additional 50 years. Current Federal participation expires in 2020. The U.S. Army Corps of Engineers estimates the total cost of the project to be $75.9 million, with an estimated U.S. Federal Government share of $46.4 million. No funding for the project was requested by the U.S. President from the