South Dakota State Senate District 9

State Legislative District Profile (Upper Chamber)

Overview

District ID
sd-sd-009
State
South Dakota
Chamber
Upper chamber (state senate)
District Code
009
Land Area
87.6 sq mi
Water Area
0.77 sq mi

Boundary

Boundary of South Dakota State Senate District 9

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Minnehaha County87.62 sq mi100.0%10.9%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Sioux Falls city7.14 sq mi8.1%8.5%
Hartford city2.66 sq mi3.0%84.1%

Showing all 2 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-Large26,227100.0%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
19,354
Active Voters
18,063 (93.3%)

Party Registration

PartyVotersShare
Democratic4,33322.4%
Republican8,99046.5%
Unaffiliated<10—
Other parties3,22316.7%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202412,774 (66.0%)0 (0.0%)0 (0.0%)
2021–20229,500 (49.1%)0 (0.0%)0 (0.0%)
2019–202011,228 (58.0%)0 (0.0%)0 (0.0%)
2017–20188,053 (41.6%)0 (0.0%)0 (0.0%)
2015–20168,698 (44.9%)0 (0.0%)0 (0.0%)
2013–20145,435 (28.1%)0 (0.0%)0 (0.0%)
2011–20127,502 (38.8%)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
29,191 (± 1,341)
Median Age
31.9
Median Household Income
$84,282 (± $6,316)
High School Graduate or Higher (age 25+)
92.4%
Bachelor's Degree or Higher (age 25+)
34.6%

Population by Age

GroupPeopleShare
Under 188,11327.8%
18 to 6418,33762.8%
65 and over2,7419.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,5585.3%
White, not Hispanic23,12179.2%
Black, not Hispanic2,1587.4%
Asian, not Hispanic6032.1%
American Indian / Alaska Native, not Hispanic1590.5%
Native Hawaiian / Pacific Islander, not Hispanic640.2%
Some other race, not Hispanic00.0%
Two or more races, not Hispanic1,5285.2%

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
27,979
Citizen Voting Age Population (CVAP)
19,978

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic27,02196.6%
Hispanic9573.4%
White23,21883.0%
Black1,8576.6%
Asian4521.6%
American Indian / Alaska Native1600.6%
Native Hawaiian / Pacific Islander620.2%
Two or More Races1590.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic19,46497.4%
Hispanic5142.6%
White17,25786.4%
Black1,3726.9%
Asian4502.3%
American Indian / Alaska Native2601.3%
Native Hawaiian / Pacific Islander640.3%
Two or More Races630.3%

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