The 1st congressional district of South Carolina is a coastal congressional district in South Carolina, represented by Republican Nancy Mace since January 3, 2021. She succeeded Democrat Joe Cunningham, having defeated him in the 2020 election. Cunningham was the first Democrat to represent the district since the 1980s. The district has historically been based in Charleston. It has included Myrtle Beach, which became a major tourist destination in the late 20th century, as well as other coastal areas that have attracted retirees and seasonal visitors. From 1993 to 2013, the district boundaries extended from Seabrook Island in the south to the North Carolina border and included parts of Charleston, Dorchester, Berkeley and Georgetown counties and all of Horry County to the North Carolina line. In 2010, the state received another seat in Congressional apportionment due to an increase in population. The state's districts had to be redrawn, which was completed in 2013. In the final plan, the 1st congressional district was redrawn to reach from Hilton Head to mid-coast South Carolina, ending at the Santee River and comprising parts of Charleston, Berkeley, Dorchester and Beaufort counties. This configuration is similar to the one it had for most of the 20th century. Horry County was included in the new 7th congressional district. On January 6, 2023, the district was declared unconstitutional on account of racial gerrymandering and would have to be redrawn April of that year.
