South Dakota State House District 30

State Legislative District Profile (Lower Chamber)

Overview

District ID
sd-hd-030
State
South Dakota
Chamber
Lower chamber
District Code
030
Land Area
4,069.9 sq mi
Water Area
12.7 sq mi

Boundary

Boundary of South Dakota State House District 30

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Fall River County1739.89 sq mi42.7%100.0%
Custer County1556.94 sq mi38.3%100.0%
Pennington County773.09 sq mi19.0%27.8%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Angostura CDP12.59 sq mi0.3%100.0%
Hot Springs city4.34 sq mi0.1%100.0%
Keystone town3.00 sq mi0.1%100.0%
Custer city2.53 sq mi0.1%99.0%
Smithwick CDP1.93 sq mi<0.1%100.0%
Green Valley CDP1.86 sq mi<0.1%48.5%
Oral CDP1.67 sq mi<0.1%100.0%
Edgemont city1.38 sq mi<0.1%100.0%
Hill City city1.31 sq mi<0.1%100.0%
Rapid Valley CDP0.84 sq mi<0.1%13.1%
Hermosa town0.48 sq mi<0.1%55.6%
Maverick Junction CDP0.38 sq mi<0.1%100.0%
Oelrichs town0.37 sq mi<0.1%100.0%
Ardmore CDP0.36 sq mi<0.1%99.9%
Fairburn town0.33 sq mi<0.1%100.0%
Buffalo Gap town0.31 sq mi<0.1%99.9%
Pringle town0.24 sq mi<0.1%100.0%
Provo CDP0.17 sq mi<0.1%100.0%
Dudley CDP0.11 sq mi<0.1%100.0%
Rapid City city0.00 sq mi<0.1%<0.1%

Showing all 20 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-Large24,858100.0%2.8%100.0%

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

Voters

Registered Voters
24,444
Active Voters
22,526 (92.2%)

Party Registration

PartyVotersShare
Democratic3,34213.7%
Republican14,90261.0%
Unaffiliated2,51910.3%
Other parties3,68115.1%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202416,137 (66.0%)0 (0.0%)0 (0.0%)
2021–202213,395 (54.8%)0 (0.0%)0 (0.0%)
2019–202014,565 (59.6%)0 (0.0%)0 (0.0%)
2017–201811,199 (45.8%)0 (0.0%)0 (0.0%)
2015–201611,782 (48.2%)0 (0.0%)0 (0.0%)
2013–20148,416 (34.4%)0 (0.0%)0 (0.0%)
2011–20129,908 (40.5%)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
26,413 (± 889)
Median Age
52.4
Median Household Income
$82,504 (± $5,260)
High School Graduate or Higher (age 25+)
92.7%
Bachelor's Degree or Higher (age 25+)
31.7%

Population by Age

GroupPeopleShare
Under 184,96218.8%
18 to 6414,18753.7%
65 and over7,26427.5%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)8753.3%
White, not Hispanic22,25284.2%
Black, not Hispanic1310.5%
Asian, not Hispanic3851.5%
American Indian / Alaska Native, not Hispanic8373.2%
Native Hawaiian / Pacific Islander, not Hispanic470.2%
Some other race, not Hispanic1450.5%
Two or more races, not Hispanic1,7416.6%

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
26,127
Citizen Voting Age Population (CVAP)
21,163

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic25,27096.7%
Hispanic8543.3%
White22,58686.4%
Black1220.5%
Asian1800.7%
American Indian / Alaska Native8383.2%
Native Hawaiian / Pacific Islander420.2%
Two or More Races530.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic20,67897.7%
Hispanic4862.3%
White18,94889.5%
Black800.4%
Asian1300.6%
American Indian / Alaska Native1,4636.9%
Native Hawaiian / Pacific Islander130.1%
Two or More Races330.2%

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