99chambers

Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

South Dakota · South Dakota Legislative District 21 · Updated Oct 16, 2026

Dan Andersson

Democratic

2026 race · South Dakota Legislative District 21

<1% chance of winning · race rated Solid R

<1%>99%

<1% chance of winning · race rated Solid R

<1%>99%
● Dan Andersson● Mykala VoitaINC
Full race forecast

Background

Past races on file
3 (0 won)

Links: Candidate list (source)

Electoral history

Earlier races in South Dakota, newest first, matched by name in the results archive.

  1. 2024

    State Senate · LD-21 Nov 5, 2024

    D · 23.0% · 2,518 votes

    Lost
  2. 2022

    State Senate · LD-21 Nov 8, 2022

    D · 18.2% · 1,771 votes

    Lost
  3. 2020

    State Senate · LD-21 Nov 3, 2020

    D · 20.8% · 2,002 votes

    Lost

Opponents in 2026