Overview
- District ID
- sd-sd-020
- State
- South Dakota
- Chamber
- Upper chamber (state senate)
- District Code
- 020
- Land Area
- 1,638.3 sq mi
- Water Area
- 9.91 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing all 14 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| SD At-Large | 24,078 | 100.0% | 2.7% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 17,002
- Active Voters
- 16,143 (94.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 3,583 | 21.1% |
| Republican | 9,076 | 53.4% |
| Unaffiliated | <10 | — |
| Other parties | 2,459 | 14.5% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 11,451 (67.4%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 8,982 (52.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 10,157 (59.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 8,489 (49.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 8,761 (51.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 6,380 (37.5%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 7,788 (45.8%) | 0 (0.0%) | 0 (0.0%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 24,250 (± 198)
- Median Age
- 40.2
- Median Household Income
- $68,057 (± $5,573)
- High School Graduate or Higher (age 25+)
- 91.4%
- Bachelor's Degree or Higher (age 25+)
- 22.3%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 5,742 | 23.7% |
| 18 to 64 | 13,281 | 54.8% |
| 65 and over | 5,227 | 21.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,264 | 5.2% |
| White, not Hispanic | 21,473 | 88.5% |
| Black, not Hispanic | 133 | 0.5% |
| Asian, not Hispanic | 99 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 682 | 2.8% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 133 | 0.5% |
| Two or more races, not Hispanic | 466 | 1.9% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 23,895
- Citizen Voting Age Population (CVAP)
- 18,180
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 22,890 | 95.8% |
| Hispanic | 1,002 | 4.2% |
| White | 21,464 | 89.8% |
| Black | 107 | 0.4% |
| Asian | 84 | 0.4% |
| American Indian / Alaska Native | 680 | 2.8% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 39 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 17,658 | 97.1% |
| Hispanic | 518 | 2.8% |
| White | 16,793 | 92.4% |
| Black | 135 | 0.7% |
| Asian | 84 | 0.5% |
| American Indian / Alaska Native | 633 | 3.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 24 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
