South Carolina's 3rd Congressional District
South Carolina · SC-03
South Carolina's 3rd Congressional District is one of 7 U.S. House districts in South Carolina, represented in Congress by Sheri Biggs (Republican). It is home to roughly 731,331 people, with a median age of 40.8. The population is about 72% White. The median household income is $60,874, and 26% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Republican (R+43).
Representative
Current U.S. House member (source: house.gov).
Geography
SC-03 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 5,847 square miles, SC-03 is the 128th-largest of the 435 congressional districts by land area. With about 125 residents per square mile, it is a predominantly rural district. Its shape is fairly compact: the district's Polsby-Popper score of 0.41 ranks 79th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 28% of SC-03 voters backed Kamala Harris and 71% Donald Trump — a R+43 margin. That is a 6.0-point shift toward the Republicans from 2020, when the district voted R+37.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 40.8 years old; 21.2% of residents are under 18 and 19.1% are 65 or older. About 4.1% of residents were born outside the United States, and 5.8% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $60,874, the district's median household income ranks 382nd of 435 districts nationwide. The typical owner-occupied home is worth $200,621, and the median rent is $906 a month. 15.5% of residents live below the poverty line, and workers average a 27.4-minute commute (7% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).