Lakeland is the most populous city in Polk County, Florida, part of the Tampa Bay Area, located along Interstate 4 east of Tampa. According to the 2020 U.S. Census Bureau release, the city had a population of 112,641. Lakeland is a principal city of the Lakeland–Winter Haven Metropolitan Statistical Area. European-American settlers arrived in Lakeland from Missouri, Kentucky, Tennessee, Georgia and South Carolina in the 1870s. The city expanded in the 1880s with the arrival of rail service, with the first freedmen railway workers settling here in 1883. They and European immigrants also came because of land development opportunities with farming, citrus, cattle and phosphate industry developing. Lakeland is home to the 1,267-acre Circle B Bar Reserve. History Prehistory The first Paleo-Indians reached the central Florida area near the end of the last ice age, as they followed big game south. As the ice melted and sea levels rose, these Native Americans ended up staying and thrived on the peninsula for thousands of years. By the time the first Spanish conquistadors arrived, an estimated 350,000 Native Americans were living in what is now the state of Florida. Some of these first early tribes were the Tocobago, Timucua, and Calusa. In 1527, a Spanish map showed a settlement near the Rio de la Paz. The arrival of the Spanish turned out to be disastrous to these Native American tribes. Within 150 years, the majority of the pre-Columbian Native American peoples of Florida had been wiped out. Those who had not succumbed to diseases such as smallpox or yellow fever were either killed or enslaved. Little is left of these first Native Americans cultures in Polk County except for scant archaeological records, including a few personal artifacts and shell mounds. Eventually, the remnants of these tribes merged with the Creek Indians who had arrived from the north and became the Seminole Indian tribe. Early history In the 18th century Native Americans groups, collectively called "Seminoles", moved into the areas left vacant. In 1823 the United States and the various tribes in Florida signed the Treaty of Moultrie Creek, which created a reservation in central Florida that included what is now Polk County. Starting in 1832 the United States government tried to move the Seminoles in Florida west to the Indian Territory. Most of the Seminoles resisted, resulting in the Second Seminole War, 1835–1842. By the end of that war, most of the