Florida's 1st congressional district is a congressional district in the U.S. state of Florida, covering the state's western Panhandle. It includes all of Escambia, Okaloosa, Santa Rosa counties, and portions of Walton county. The district is anchored in Pensacola and also includes the large military bedroom communities and tourist destinations of Navarre and Fort Walton Beach and stretches along the Emerald Coast. The district is currently represented by Republican Matt Gaetz. With a Cook Partisan Voting Index rating of R+19, it is the most Republican district in Florida.

Escambia County is the westernmost and oldest county in the U.S. state of Florida. It is in the state's northwestern corner. At the 2020 census, the population was 321,905. Its county seat and largest city is Pensacola. Escambia County is included within the Pensacola-Ferry Pass-Brent, Florida, Metropolitan Statistical Area. The county population has continued to increase as the suburbs of Pensacola have developed.