South Dakota House of Representatives seat · lines in effect since 2022
South Dakota Legislative District 28B
A district of about 12,000 people, 21% of adults with a bachelor's degree. It votes R+65.5 relative to the nation for president.
Where it sits among all 34 seats
Every South Dakota House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2016 | 2020 | |
|---|---|---|
| U.S. Senate | R+66.2 | R+60.0 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: South Dakota Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 34 seats. Small marks are other seats in South Dakota. The black marker is District 28B.
Lower than 91% of seats.
Higher than 94% of seats.
Lower than 61% of seats.
Lower than 97% of seats.
Lower than 79% of seats.
Less dense than 97% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 424% college gradsR+53.0Held RDistrict 21
23% college gradsR+53.9Held RDistrict 19
25% college gradsR+54.6Held RDistrict 29
28% college gradsR+52.7Held R
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2022.
- Travis Ismay (R)
2025– · Won 2024 unopposed, 2026 unopposed - Neal Pinnow (R)
2023–2025 · Won 2022 by 61.5
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)