Congressional district · Boundaries of the 119th Congress
South Carolina's 1st district
South Carolina's 1st district has 752,230 residents on 2,589 mi² of land. It is represented by Nancy Mace (R-SC-1). Federal contract obligations attributed to it reached $1.4B in FY2026.
- Residents
- 752,230
- Land area
- 2,589 mi²
- Counties
- 6
- Representative
- Nancy Mace
Members for this district
Members who held this seat while these boundaries were in force, newest first.
Senators
The state's senators today, or on the last day of these boundaries for an older plan.
Darline GrahamR-SC
Tim ScottR-SC
Counties
Share of the district's residents living in each county, and share of the county's residents living in the district (2020 census tracts weighted by their overlap).
- Berkeley County33% of the district · 100% of the county
- Beaufort County26% of the district · 100% of the county
- Charleston County24% of the district · 43% of the county
- Dorchester County16% of the district · 74% of the county
- Colleton County0.2% of the district · 4.8% of the county
- Jasper County0.2% of the district · 5.4% of the county
Federal contracts
Contract obligations attributed to the district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines.
- Obligations · FY2026
- $1.4B
- Per resident
- $1,927
- Rank in South Carolina
- 3 of 7
- Contract actions
- 2,462
- New awards: 1,072
By fiscal year
- 622.2MFY2017
- 791.8MFY2018
- 843.2MFY2019
- 904.4MFY2020
- 832.9MFY2021
- 934MFY2022
- 2.9BFY2023
- 3.7BFY2024
- 1.1BFY2025
- 1.4BFY2026
Top buyers
- Department of the Navy$814.4M56%Department of Defense
- Department of Health and Human Services
- Department of Veterans Affairs$170.8M12%
- Defense Logistics Agency$17.3M1.2%Department of Defense
- Department of the Army$16.2M1.1%Department of Defense
- Department of the Air Force$13.5M0.9%Department of Defense
- National Institutes of Health$12.4M0.9%Department of Health and Human Services
- Department of Commerce
Top recipients
- ADVANCED TECHNOLOGY INTERNATIONAL$390.5M27%50 awards
- BL HARBERT INTERNATIONAL LLC$226.4M16%2 awards
- FEDEX SUPPLY CHAIN DISTRIBUTION SYSTEM, INC.$100.5M6.9%2 awards
- SCIENTIFIC RESEARCH CORPORATION$61.5M4.2%16 awards
- 27 awards
- KIEWIT INFRASTRUCTURE SOUTH CO$36M2.5%1 award
- CACI, INC. - FEDERAL$35.7M2.5%7 awards
- WHITING-TURNER CONTRACTING COMPANY, THE$33.2M2.3%3 awards
- ALL IN SOLUTIONS LLC$31.7M2.2%1 award
- ADVANCED COMPUTER CONCEPTS, INC.$31M2.1%22 awards
Other boundaries
District lines change between plans; each plan keeps its own page.
Sources and method
Every figure on this page traces to these records.
- Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
- ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Money and votes are shown side by side; neither explains the other.