South Carolina’s 1st Congressional District is represented by Nancy Mace (R) in the U.S. House of Representatives. The district is one of South Carolina’s seats in the 435-member House of Representatives. After the 2020 Census, the average congressional district had 761,169 people, according to the U.S. Census Bureau, and these district boundaries were drawn during the redistricting cycle that followed.
Congressional representatives serve two-year terms and face election every even-numbered year. The next election for this seat will take place on November 3, 2026.
Population
748,351
Median Household Income
$87,997
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates for 2019 to 2023, for district lines in effect on January 1, 2023.
Partisan Lean
R+13
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Nancy Mace and South Carolina's 1st Congressional District
Nancy Mace, a member of the Republican Party, represents South Carolina's 1st Congressional District and has held the seat since January 3, 2021. The boundary map for the district is above and the ZIP codes it covers are listed further down this page.
Committee assignments: House Committee on Armed Services, House Committee on Oversight and Government Reform and House Committee on Veterans' Affairs.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-3176. Official site: mace.house.gov.
Current Representative
Rep. Nancy Mace (R)
119th Congress • Republican • Representing this district since January 3, 2021
Nancy Mace currently represents South Carolina’s 1st Congressional District as a member of the Republican Party in the United States House of Representatives. The representative’s district office helps constituents with federal casework, such as Social Security claims and veterans’ benefits.
2026 Election
On the ballot November 3, 2026
- Jenny Costa Honeycutt, Republican
- Nancy Lacore, Democratic
- Bill Reeside, Libertarian
Source: South Carolina Election Commission, candidate listing, checked September 26, 2026. Write-in candidates are not listed.
Key dates for November 3, 2026
| Register by mail | Monday, October 5 PassedApplication must be postmarked by this date. |
|---|---|
| Register online | Sunday, October 4 Passed |
| Register in person | Friday, October 2 Passed |
| Early in-person voting | October 19 to October 31 Monday through Saturday. Closed Sunday, October 25. |
| Request a mail ballot | Friday, October 23 Request by 5 p.m. on October 23. Voting by mail requires a qualifying reason. |
| Return a mail ballot | Must be received by 7 p.m. on November 3. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the South Carolina voter lookup. Dates come from the South Carolina election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in South Carolina are open 7 a.m. to 7 p.m., local time. Confirm your registration and polling place on the official federal voter page for South Carolina: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
1728 Longworth House Office Building
Washington, DC 20515
Phone: (202) 225-3176
Online
Committee Assignments
- House Committee on Armed Services
- House Committee on Oversight and Government Reform
- House Committee on Veterans' Affairs
About This District
The district covers all of Beaufort and Berkeley counties and parts of Charleston, Colleton, Dorchester, and Jasper counties in South Carolina. Its largest cities are Mount Pleasant (about 91,000), Summerville (about 51,000), Goose Creek (about 46,000), and Hilton Head Island (about 38,000).
Learn more about congressional districts
- What is a congressional district?
- What does a U.S. Representative do?
- What is gerrymandering?
- How congressional redistricting works
Frequently Asked Questions
Who represents South Carolina's 1st Congressional District?
Nancy Mace (R) represents South Carolina's 1st Congressional District in the U.S. House of Representatives.
What political party is Nancy Mace a member of?
Nancy Mace is a member of the Republican Party.
How can I contact Nancy Mace?
You can reach Nancy Mace by phone at 202-225-3176 or through their official website at https://mace.house.gov.
When does Nancy Mace's current term end?
Nancy Mace's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is South Carolina's 1st Congressional District?
South Carolina's 1st Congressional District is located in the state of South Carolina and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Nancy Mace represent?
Nancy Mace has represented South Carolina's 1st Congressional District since January 3, 2021. The boundary map for the district is on this page.
Where can I see a map of Nancy Mace's district?
The boundary map for South Carolina's 1st Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Nancy Mace on?
Nancy Mace sits on House Committee on Armed Services, House Committee on Oversight and Government Reform and House Committee on Veterans' Affairs. Committee assignments come from the Clerk of the House MemberData file.
Is Nancy Mace still in Congress?
This site shows Nancy Mace holding South Carolina's 1st Congressional District, checked against the Clerk of the House member list. All 435 House seats are on the ballot on November 3, 2026, so the answer can change with that election.
Nearby Districts in South Carolina
ZIP Codes in South Carolina's 1st Congressional District
This congressional district contains 59 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
26 of these ZIP codes also extend into another South Carolina district, so a ZIP code here does not always identify a single representative. Examples include 29059 (also in the 6th), 29403 (also in the 6th), 29405 (also in the 6th), 29406 (also in the 6th), 29407 (also in the 6th), 29410 (also in the 6th), 29414 (also in the 6th), 29418 (also in the 6th).
- 29059
- 29403
- 29405
- 29406
- 29407
- 29410
- 29412
- 29414
- 29418
- 29420
View all 59 ZIP codes in this district
- 29059
- 29403
- 29405
- 29406
- 29407
- 29410
- 29412
- 29414
- 29418
- 29420
- 29426
- 29429
- 29431
- 29434
- 29436
- 29438
- 29439
- 29445
- 29446
- 29450
- 29451
- 29452
- 29453
- 29455
- 29456
- 29458
- 29461
- 29464
- 29466
- 29468
- 29469
- 29470
- 29472
- 29474
- 29479
- 29482
- 29483
- 29485
- 29486
- 29487
- 29488
- 29492
- 29902
- 29904
- 29905
- 29906
- 29907
- 29909
- 29910
- 29915
- 29920
- 29926
- 29927
- 29928
- 29935
- 29936
- 29940
- 29941
- 29945
ZIP-to-district boundaries sourced from the U.S. Census Bureau's 2024-07-30 Block Equivalency File for the 119th Congress. ZCTAs (ZIP Code Tabulation Areas) approximate USPS delivery ZIPs.
U.S. Senators for this state: Darline Graham (R), Tim Scott (R)
Local surveillance camera contracts
Automated license plate reader contracts are approved locally, by city councils and county boards, not by Congress. These places in this district have a contract record documented from public sources:
Records compiled by Who Approved This, an independent public-records project. Approval dates, amounts, and end dates are cited to council agendas, minutes, and signed contracts.
Place list rebuilt from the Who Approved This public export on September 26, 2026.
Last updated September 27, 2026.
Data last checked September 26, 2026.
See how this district compares with another using Compare Districts.