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South Dakota
South Dakota, nicknamed "The Mount Rushmore State," is bordered by Minnesota, Iowa, North Dakota, Nebraska, Montana and Wyoming. It was the 40th state admitted to the Union. While Pierre is South Dakota’s capital, Sioux Falls is South Dakota’s largest city.
South Dakota has two members of the U.S. Senate, one member of the U.S. House of Representatives, 35 members of the State Senate and 70 members of the House of Representatives.

South Dakota 2025 elections: Municipal • Candidate ballot access
South Dakota elections, 2026 Past elections: 2024 • 2023 • 2022 • 2021 • 2020 • 2019 • 2018 • 2017 • 2016 • 2015 • 2014
Cities and counties in South Dakota
Ballotpedia provides comprehensive election coverage in the 100 largest U.S. cities by population and also covers mayoral, city council, and district attorney elections in every state capital. Additionally, Ballotpedia covers school board elections in the 200 largest U.S. school districts by enrollment. Pierre
South Dakota fact checks
Policy issues in South Dakota
Budget: Budget and finances • Taxes
Civil liberties: Affirmative action • Campaign finance • Nonprofit regulation
Education: Charter schools • Higher education • Public education • School choice
Election: Ballot access requirements • Redistricting • Voting
Energy: Energy information • Fracking
Environment: Environmental information • Endangered species
Finance: Financial regulation information
Healthcare: Healthcare information • Medicaid spending • Effect of the Affordable Care Act
Immigration: Immigration information
Pensions: Public pensions