Lee County is a county located in the U.S. state of Arkansas. With its eastern border formed by the Mississippi River, it is considered to be part of the Arkansas Delta. As of the 2020 census, the population was 8,600. The county seat is Marianna.

Arkansas's 1st congressional district is a U.S. congressional district in eastern Arkansas that elects a representative to the United States House of Representatives. It is currently represented by Republican Rick Crawford. With a Cook Partisan Voting Index rating of R+22, it is the most Republican district in Arkansas, a state with an all-Republican congressional delegation.