South Dakota State Senate District 26

State Legislative District Profile (Upper Chamber)

Overview

District ID
sd-sd-026
State
South Dakota
Chamber
Upper chamber (state senate)
District Code
026
Land Area
6,779 sq mi
Water Area
140.2 sq mi

Boundary

Boundary of South Dakota State Senate District 26

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Lyman County1642.28 sq mi24.2%100.0%
Todd County1388.60 sq mi20.5%100.0%
Mellette County1307.33 sq mi19.3%100.0%
Jones County969.67 sq mi14.3%100.0%
Brule County817.22 sq mi12.1%100.0%
Buffalo County471.41 sq mi7.0%100.0%
Hughes County99.90 sq mi1.5%13.5%
Hyde County82.58 sq mi1.2%9.6%

Showing all 8 counties

Places

PlaceOverlapShare of district landShare of place land
Okreek CDP45.00 sq mi0.7%100.0%
Okaton CDP29.77 sq mi0.4%100.0%
Two Strike CDP18.53 sq mi0.3%100.0%
Rosebud CDP12.96 sq mi0.2%100.0%
Soldier Creek CDP12.23 sq mi0.2%100.0%
Fort Thompson CDP10.38 sq mi0.2%100.0%
Spring Creek CDP10.37 sq mi0.2%100.0%
Parmelee CDP5.71 sq mi0.1%100.0%
Bijou Hills CDP5.25 sq mi0.1%100.0%
Chamberlain city4.48 sq mi0.1%100.0%
Ola CDP4.02 sq mi0.1%100.0%
White Horse CDP3.16 sq mi<0.1%100.0%
Kimball city3.09 sq mi<0.1%89.8%
Oacoma town2.60 sq mi<0.1%99.2%
Antelope CDP2.29 sq mi<0.1%100.0%
Corn Creek CDP2.04 sq mi<0.1%100.0%
Vivian CDP1.73 sq mi<0.1%100.0%
West Brule CDP1.18 sq mi<0.1%100.0%
Reliance town1.09 sq mi<0.1%100.0%
Grass Ranch Colony CDP1.06 sq mi<0.1%100.0%
Horse Creek CDP0.95 sq mi<0.1%100.0%
Norris CDP0.87 sq mi<0.1%100.0%
Kennebec town0.85 sq mi<0.1%100.0%
Pukwana town0.76 sq mi<0.1%99.3%
Presho city0.67 sq mi<0.1%100.0%

Showing top 25 of 36 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
SD At-Large23,354100.0%2.6%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
13,630
Active Voters
12,539 (92.0%)

Party Registration

PartyVotersShare
Democratic5,63341.3%
Republican4,89535.9%
Unaffiliated<10—
Other parties1,80813.3%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–20247,687 (56.4%)0 (0.0%)0 (0.0%)
2021–20226,536 (48.0%)0 (0.0%)0 (0.0%)
2019–20207,752 (56.9%)0 (0.0%)0 (0.0%)
2017–20186,526 (47.9%)0 (0.0%)0 (0.0%)
2015–20166,229 (45.7%)0 (0.0%)0 (0.0%)
2013–20145,054 (37.1%)0 (0.0%)0 (0.0%)
2011–20125,938 (43.6%)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
23,092 (± 147)
Median Age
31.7
Median Household Income
$55,202 (± $2,558)
High School Graduate or Higher (age 25+)
87.3%
Bachelor's Degree or Higher (age 25+)
21.6%

Population by Age

GroupPeopleShare
Under 187,50632.5%
18 to 6412,30153.3%
65 and over3,28514.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)4562.0%
White, not Hispanic8,99839.0%
Black, not Hispanic780.3%
Asian, not Hispanic2881.2%
American Indian / Alaska Native, not Hispanic12,23953.0%
Native Hawaiian / Pacific Islander, not Hispanic250.1%
Some other race, not Hispanic530.2%
Two or more races, not Hispanic9554.1%

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
22,812
Citizen Voting Age Population (CVAP)
15,389

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic22,38098.1%
Hispanic4321.9%
White9,01339.5%
Black750.3%
Asian1170.5%
American Indian / Alaska Native12,26853.8%
Native Hawaiian / Pacific Islander260.1%
Two or More Races980.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic15,13398.3%
Hispanic2591.7%
White7,13046.3%
Black690.4%
Asian1030.7%
American Indian / Alaska Native7,80150.7%
Native Hawaiian / Pacific Islander240.2%
Two or More Races00.0%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).