Florida's 3rd congressional district is an electoral district of the United States House of Representatives located in Florida. It presently comprises a large section of northern Florida, including the entire counties of Alachua, Clay, Putnam, Bradford, and Union, along with the majority of Marion County. The cities of Gainesville and Palatka are in the district as well as part of Ocala (its northern suburbs). Some Jacksonville suburbs such as Middleburg, Green Cove Springs, and Orange Park are also in the district.