Overview
- District ID
- sd-sd-027
- State
- South Dakota
- Chamber
- Upper chamber (state senate)
- District Code
- 027
- Land Area
- 6,917.9 sq mi
- Water Area
- 20.9 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 21 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 | 23,910 | 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
- 15,305
- Active Voters
- 14,194 (92.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 7,090 | 46.3% |
| Republican | 4,442 | 29.0% |
| Unaffiliated | 1,950 | 12.7% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 7,295 (47.7%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 5,945 (38.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 7,023 (45.9%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 5,970 (39.0%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 5,876 (38.4%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 4,628 (30.2%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 5,343 (34.9%) | 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
- 23,276 (± 481)
- Median Age
- 30.6
- Median Household Income
- $47,580 (± $7,289)
- High School Graduate or Higher (age 25+)
- 82.3%
- Bachelor's Degree or Higher (age 25+)
- 14.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,724 | 33.2% |
| 18 to 64 | 12,981 | 55.8% |
| 65 and over | 2,571 | 11.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 676 | 2.9% |
| White, not Hispanic | 6,247 | 26.8% |
| Black, not Hispanic | 38 | 0.2% |
| Asian, not Hispanic | 60 | 0.3% |
| American Indian / Alaska Native, not Hispanic | 15,879 | 68.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 25 | 0.1% |
| Two or more races, not Hispanic | 351 | 1.5% |
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
- 23,131
- Citizen Voting Age Population (CVAP)
- 15,418
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 22,560 | 97.5% |
| Hispanic | 573 | 2.5% |
| White | 6,280 | 27.1% |
| Black | 35 | 0.2% |
| Asian | 28 | 0.1% |
| American Indian / Alaska Native | 15,885 | 68.7% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 45 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 15,199 | 98.6% |
| Hispanic | 215 | 1.4% |
| White | 5,046 | 32.7% |
| Black | 66 | 0.4% |
| Asian | 34 | 0.2% |
| American Indian / Alaska Native | 10,050 | 65.2% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 8 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
