U.S. House seat · lines in effect since 2022
South Carolina's 1st District
A district of about 755,000 people, 43% of adults with a bachelor's degree. It votes R+11.8 relative to the nation for president.
Source: 2026 results: South Carolina Election Commission; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET
Where it sits among all 435 seats
Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Labels below the bar mark 6 other seats in South Carolina.
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2022 | 2024 | 2026 | |
|---|---|---|---|
| U.S. House | R+13.9 | R+16.6 | D+1.0 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: South Carolina Election CommissionUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 435 seats. Small marks are other seats in South Carolina. The black marker is SC-1.
Higher than 78% of seats.
Lower than 53% of seats.
Lower than 67% of seats.
Higher than 79% of seats.
Lower than 74% of seats.
Less dense than 57% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean. 2 of the 4 flipped this year.
NC-835% college gradsR+19.0Held RVA-1
47% college gradsR+5.3Flipped DNC-14
36% college gradsR+15.8Flipped DSC-2
27% Black · 36% college gradsR+13.5Held R
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2022.
- Nancy Lacore (D)
2027– · Won 2026 by 1.0 - Nancy Mace (R)
2023–2027 · Won 2022 by 13.9, 2024 by 16.6
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)