South Dakota Congressional Delegation

2 Senators · 1 Representative · SD

3 Republicans

3

Total Members

2

Up in 2026

$1M

Office Spending

$1,760K

Avg per Member

South Dakota sends 3 members to the United States Congress: 2 senators and 1 representative. The delegation leans Republican (3–0). 2 seats are up for election on November 3, 2026, including Sen. Mike Rounds. The state's House delegation has spent a combined $1,760,406 in taxpayer-funded office expenses through Oct 1 - Dec 31, 2025, averaging $1,760,406 per member.

The economic reality in South Dakota

899,194

Population

$72,421

Median Household Income

12.0%

Poverty Rate

9.3%

Uninsured Rate

Full census data: education, broadband, age & more →

U.S. Senators (2)

U.S. House Representatives (1)

Sources: Clerk of the House, U.S. Senate, FEC, MIT Election Lab, House SOD, U.S. Census Bureau