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St. Lucie County, Florida facts for kids

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St. Lucie County
St. Lucie County Courthouse
St. Lucie County Courthouse
Official seal of St. Lucie County
Seal
Map of Florida highlighting St. Lucie County
Location within the U.S. state of Florida
Map of the United States highlighting Florida
Florida's location within the U.S.
Country  United States
State  Florida
Founded May 24, 1905
Named for St. Lucie Inlet
Seat Fort Pierce
Largest city Port St. Lucie
Area
 • Total 688 sq mi (1,780 km2)
 • Land 572 sq mi (1,480 km2)
 • Water 116 sq mi (300 km2)  16.9%%
Population
 (2020)
 • Total 329,226
 • Density 576/sq mi (222/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 21st

St. Lucie County is a county in southeastern Florida. In 2020, about 329,226 people lived there.

The county's main city, called the county seat, is Fort Pierce. The biggest city is Port St. Lucie, where 62% of the county's people live. St. Lucie County is the main part of the Port St. Lucie, FL Metropolitan Area.

History of St. Lucie County

The area was first home to the Ais tribe. They were hunter-gatherers. Their land stretched from the St. John's River to the St. Lucie Inlet. Spanish explorers often met this strong tribe. Spanish treasure ships sailed nearby to use the powerful Gulfstream current.

The Spanish gave the area names like Rio de Ays (now called Indian River) and Santa Lucia. This name came from a Spanish fort built in the late 1500s. In 1715, a famous Spanish treasure fleet sank off what is now St. Lucie County. This led to the area being called the Treasure Coast.

Early Settlements and Wars

In the early 1800s, the Spanish government gave land grants here. One grant went to James Hutchinson. It was about 2,000 acres (8.1 km2). Today, Hutchinson Island is named after him.

In the mid-1800s, Seminole people and runaway slaves found safety in this quiet area. By 1837, the Second Seminole War began in Florida. In December 1837, soldiers led by Lt. Colonel Benjamin K. Pierce sailed down the Indian River. They built a fort and named it after him. This fort is now the city of Fort Pierce.

In 1841, the U.S. government offered land to Americans who would settle here. Some of these lands were in today's St. Lucie County. The Third Seminole War in 1851 led to a second major fort. This was Fort Capron, built where St. Lucie Village is today.

After this, more people moved to the area. They came for health and work. The Flagler railroad reached the area in the 1890s. At the end of the 1800s, main jobs included growing pineapples, fishing, seafood canning, and raising cattle. Citrus fruits became a big crop in the early 1900s. The city of Fort Pierce officially started in 1901.

Forming St. Lucie County

Before 1905, this area was part of Brevard County. (Brevard County was actually called St. Lucie County from 1844 to 1855). In the summer of 1905, St. Lucie County was created. It was made from the southern part of Brevard County. Fort Pierce became its county seat.

Over time, parts of St. Lucie County were used to create other counties:

Modern Growth and Development

The 1920s saw a lot of land buying and plans for new towns. But these plans failed when the economy crashed in 1929. During World War II, the U.S. Naval Amphibious Training Base was set up in Fort Pierce. Over 140,000 troops trained there. After the war, many people moved to the area. Some were sailors and their families who had trained at the Navy base.

In 1958, a company bought thousands of acres along the St. Lucie River. They wanted to build a new community. Smart advertising brought many retirees and families from the Northeast. This laid the groundwork for the city of Port St. Lucie. In the late 1900s, more people moved in, leading to new areas like St. Lucie West and Tradition.

The early 2000s brought challenges. Two major hurricanes hit in 2004. An economic slowdown began in 2008. In 2005, St. Lucie County celebrated its 100th birthday!

Geography

St. Lucie County covers about 688 square miles (1,780 km2). About 572 square miles (1,480 km2) is land, and 116 square miles (300 km2) is water. This means about 16.9% of the county is water.

Neighboring Counties

Transportation

Airports

  • St. Lucie County International Airport is for general aviation (smaller planes). The closest airports for commercial flights are in Melbourne, Vero Beach, and West Palm Beach.

Major Roads

Public Buses

St. Lucie County has a public bus system. It started in the 1990s as a service where you called for a ride. Later, it grew into a system with set routes. In 2002, the bus service expanded to Martin County. It is now called the Treasure Coast Connector.

Passenger Trains

Until 1968, the Florida East Coast Railway ran trains from Jacksonville to Miami. They stopped in Fort Pierce. Other long-distance trains also stopped in Fort Pierce until 1963.

In 2023, Brightline announced plans for a new train station on the Treasure Coast. Brightline is a fast train service between Miami and Orlando. As of 2024, there are no plans for a station in St. Lucie County. A station might be built in Stuart, Florida, just south of the county, by 2026.

People of St. Lucie County

Historical population
Census Pop.
1910 4,075
1920 7,886 93.5%
1930 7,057 −10.5%
1940 11,871 68.2%
1950 20,180 70.0%
1960 39,294 94.7%
1970 50,836 29.4%
1980 87,182 71.5%
1990 150,171 72.3%
2000 192,695 28.3%
2010 277,789 44.2%
2020 329,226 18.5%
2023 (est.) 373,586 34.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2019

In 2020, St. Lucie County had 329,226 people. There were 118,527 households and 81,648 families.

St. Lucie County racial composition
(NH = Non-Hispanic)
Race Pop 2010 Pop 2020 % 2010 % 2020
White (NH) 170,032 176,533 61.21% 53.62%
Black or African American (NH) 51,373 64,597 18.49% 19.62%
Native American or Alaska Native (NH) 664 568 0.24% 0.17%
Asian (NH) 4,226 5,678 1.52% 1.72%
Pacific Islander (NH) 127 141 0.05% 0.04%
Some Other Race (NH) 845 2,470 0.3% 0.75%
Mixed/Multi-Racial (NH) 4,527 12,919 1.63% 3.92%
Hispanic or Latino 45,995 66,320 16.56% 20.14%
Total 277,789 329,226 100.00% 100.00%

In 2010, the population density was about 486 people per square mile. The county's population was 71.8% White, 19.1% African American, and 16.6% Hispanic or Latino.

Most people in St. Lucie County speak English (90.7%). About 14.6% speak Spanish.

In 2010, about 26.3% of households had children under 18. The average household had 2.53 people. The median age in the county was 42.4 years.

Animals of St. Lucie County

Some bird species in St. Lucie County are very sensitive to climate change. These include:

Education

Schools in St. Lucie County are run by St. Lucie County Public Schools. The county also has several colleges and universities:

  • Florida Atlantic University Harbor Branch Oceanographic Institute
  • Indian River State College Ft. Pierce and PSL Campus
  • Keiser University PSL Campus
  • University of Florida Institute of Food and Agricultural Sciences, Ft. Pierce

Libraries

The St. Lucie County Library System serves the county.

Places to Visit

Ft Pierce FL Old Fort Park01
Old Fort Park

Communities

Cities

Towns

Census-Designated Places

These are areas that are like towns but are not officially incorporated cities.

Other Communities

See also

Kids robot.svg In Spanish: Condado de Santa Lucía para niños

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