South Dakota's At-Large Congressional District (SD-AL)
Last updated · 5 sources
Dusty Johnson, a Republican, has represented the district since 2019.
The district covers all of South Dakota.
According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 907,428, a median household income of $75,081, and a median age of 38. Of residents 25 and older, 31.9% hold a bachelor's degree or higher.
Representative

U.S. Representative for South Dakota's at-large district · Republican
2026 election
Johnson ran for governor of South Dakota and lost the primary on Jun 2, 2026.
4 candidates have reported raising money for the 2026 SD-AL race to the FEC.
Election Day: Tuesday, November 3, 2026
| Candidate | Party | Raised | Cash on hand | Through |
|---|---|---|---|---|
| Marty Jackley | Republican | $1,438,706 | $1,062,725 | Jun 30 |
| Nicole Gronli | Democratic | $261,764 | $110,978 | Jun 30 |
| Casey Crabtree | Republican | $254,950 | $18,722 | Jun 30 |
| Billy Mawhiney | Democratic | $31,138 | $0 | Mar 31 |
Includes primary candidates; FEC filings do not record primary results. FEC race page
District profile
- Population
- 907,428
- Median household income
- $75,081
- Median age
- 38
- Bachelor's degree or higher
- 31.9%
Census Bureau, 2020–2024 American Community Survey 5-year estimates
South Dakota senators
John ThuneU.S. Senator for South Dakota · Republican
Mike RoundsU.S. Senator for South Dakota · Republican
Neighboring districts
Sources
- District boundaries (Census Bureau cartographic boundary file, 119th Congress) · retrieved Oct 2, 2026
- Counties by district (Census Bureau relationship file) · retrieved Oct 2, 2026
- District profile (Census Bureau, 2020–2024 American Community Survey 5-year estimates) · retrieved Oct 2, 2026
- congress-legislators (member data, CC0) · retrieved Oct 2, 2026
- Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026