South Dakota State House District 4

State Legislative District Profile (Lower Chamber)

Overview

District ID
sd-hd-004
State
South Dakota
Chamber
Lower chamber
District Code
004
Land Area
3,356.8 sq mi
Water Area
87 sq mi

Boundary

Boundary of South Dakota State House District 4

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Clark County779.70 sq mi23.2%81.4%
Grant County681.45 sq mi20.3%100.0%
Deuel County622.74 sq mi18.6%100.0%
Codington County557.44 sq mi16.6%81.1%
Hamlin County507.02 sq mi15.1%100.0%
Roberts County208.39 sq mi6.2%18.9%

Showing all 6 counties

Places

PlaceOverlapShare of district landShare of place land
Lake Poinsett CDP4.69 sq mi0.1%94.9%
Crocker CDP3.63 sq mi0.1%100.0%
Clear Lake city3.03 sq mi0.1%92.2%
Milbank city2.77 sq mi0.1%100.0%
Henry town1.45 sq mi<0.1%100.0%
South Shore town1.40 sq mi<0.1%100.0%
Clark city1.35 sq mi<0.1%100.0%
Brandt town1.26 sq mi<0.1%100.0%
Altamont town1.25 sq mi<0.1%100.0%
Big Stone City city1.20 sq mi<0.1%100.0%
Castlewood city1.15 sq mi<0.1%100.0%
Waverly CDP1.02 sq mi<0.1%100.0%
Hillcrest Colony CDP1.00 sq mi<0.1%100.0%
Estelline city0.95 sq mi<0.1%100.0%
Lake Norden city0.87 sq mi<0.1%100.0%
Vienna town0.84 sq mi<0.1%100.0%
Kranzburg town0.76 sq mi<0.1%99.9%
Gary city0.75 sq mi<0.1%100.0%
Florence town0.69 sq mi<0.1%100.0%
Marvin town0.55 sq mi<0.1%100.0%
Wilmot city0.53 sq mi<0.1%100.0%
Bryant city0.52 sq mi<0.1%99.9%
Goodwin town0.47 sq mi<0.1%100.0%
Stockholm town0.43 sq mi<0.1%100.0%
Twin Brooks town0.41 sq mi<0.1%99.9%

Showing top 25 of 45 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-Large26,575100.0%3.0%100.0%

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

Voters

Registered Voters
17,751
Active Voters
16,878 (95.1%)

Party Registration

PartyVotersShare
Democratic3,15317.8%
Republican10,75560.6%
Unaffiliated1,4638.2%
Other parties2,35313.3%
No party recorded270.2%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202412,617 (71.1%)0 (0.0%)0 (0.0%)
2021–202210,509 (59.2%)0 (0.0%)0 (0.0%)
2019–202011,678 (65.8%)0 (0.0%)0 (0.0%)
2017–20189,556 (53.8%)0 (0.0%)0 (0.0%)
2015–20169,680 (54.5%)0 (0.0%)0 (0.0%)
2013–20147,408 (41.7%)0 (0.0%)0 (0.0%)
2011–20128,680 (48.9%)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
26,630 (± 444)
Median Age
41.5
Median Household Income
$79,149 (± $3,018)
High School Graduate or Higher (age 25+)
92.8%
Bachelor's Degree or Higher (age 25+)
23.6%

Population by Age

GroupPeopleShare
Under 186,95226.1%
18 to 6413,95952.4%
65 and over5,71921.5%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,3174.9%
White, not Hispanic24,36791.5%
Black, not Hispanic750.3%
Asian, not Hispanic1290.5%
American Indian / Alaska Native, not Hispanic1350.5%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic330.1%
Two or more races, not Hispanic5742.2%

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
25,889
Citizen Voting Age Population (CVAP)
19,055

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic25,22997.5%
Hispanic6632.6%
White24,43594.4%
Black650.3%
Asian1060.4%
American Indian / Alaska Native1370.5%
Native Hawaiian / Pacific Islander10.0%
Two or More Races380.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic18,73098.3%
Hispanic3291.7%
White18,29096.0%
Black760.4%
Asian1030.5%
American Indian / Alaska Native2591.4%
Native Hawaiian / Pacific Islander00.0%
Two or More Races00.0%

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