South Dakota State Senate seat · lines in effect since 2022

South Dakota Legislative District 24

A district of about 25,000 people, 35% of adults with a bachelor's degree. It votes R+45.1 relative to the nation for president.

Where it sits among all 32 seats

Every South Dakota State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+45.126th most
Democratic
Most DemocraticMost Republican17th seat · the majority lineDistrict 24

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.

20162020
U.S. SenateR+70.2R+60.5

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 32 seats. Small marks are other seats in South Dakota. The black marker is District 24.

Adults with a bachelor's degree35% 68th pct · 11th of 32 in SD

Higher than 68% of seats.

White adults without a degree56% 48th pct · 17th of 32 in SD

Lower than 52% of seats.

Hispanic residents3% 16th pct · 27th of 32 in SD

Lower than 84% of seats.

Black residents0% 19th pct · 26th of 32 in SD

Lower than 81% of seats.

Asian residents0% 29th pct · 23rd of 32 in SD

Lower than 71% of seats.

People per square mile4.3 13th pct · 28th of 32 in SD

Less dense than 87% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Jim Mehlhaff (R)
    2023– · Won 2022 unopposed, 2024 unopposed, 2026 unopposed

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)