RepublicanIn office since Nov 2012

Ernie Otten

South Dakota State Senator, District 6 since 2012. Re-elected in 2026. Next on the ballot in 2028.

South Dakota State Senator, District 6Born 1954

In office
14 yrs
Since 2012
Bills became law
12
30 sponsored, 2025–2026 session
Votes missed
0.2%
Chamber median 0.8%
With party
79%
On votes splitting the parties
Last margin
+19.9
Won 2022
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

  • Appropriations · lead co-chair
  • Government Operations and Audit · vice chair
  • Appropriations
  • Bonding
  • Developmental Disability Service Delivery
  • Emergency Medical Services Funding Task Force
  • Executive Board
  • Government Operations and Audit

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 30 sponsored · 12 became law
BillIntroCmteSenateHouseLaw
SB 121 transfer moneys and make an appropriation for the replacement of the Richmond Lake dam and spillway and to…
Appropriation · Became law Mar 2026
SB 119 create the capitol restoration fund and to transfer moneys thereto.
Fund · Became law Mar 2026
SB 2 provide that a firearm silencer is not a controlled weapon.
Crimes · Became law Feb 2026
SB 12 provide for a refund of property taxes in previous years for qualifying veterans and surviving spouses.
Property Tax · Became law Feb 2026
SB 120 make an appropriation for the economic development of South Dakota.
Appropriation · Failed in the House Mar 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Otten sits in the South Dakota State Senate

Otten is closer to the center than 52% of the chamber's Republicans.

Dem. medianRep. medianOttenMore liberalMore conservative

Closest: Amber Hulse, Jim Mehlhaff, Arch Beal

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET

With Otten’s party

  • Votes with the chamber's Republicans79%

Black tick: the average of Republicans in the South Dakota State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Otten’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Otten was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

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

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026South Dakota Legislative District 6Won—R+32.6—
2024South Dakota State Senate, District 6Won———
2022South Dakota House of Representatives, District 6WonR+19.9——
2020South Dakota House of Representatives, District 6WonR+14.2——
2018South Dakota State Senate, District 6WonR+30.2——
2016South Dakota State Senate, District 6WonR+37.7——
2014South Dakota State Senate, District 6WonR+43.6——
2014South Dakota State Senate, District 6 (primary)Won———
2012South Dakota State Senate, District 6WonR+30.9——

Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$5.6K
Spent
$6.9K
Cash
$4.6K

Source: South Dakota Secretary of State filings through Oct 20, 2026Updated Nov 1, 2026, 2:15 AM ET

Campaign committees

Open committees can still raise and spend money.

Friends of Ernie Otten
State
Active

Source: South Dakota Secretary of State filings through Oct 20, 2026Updated Nov 1, 2026, 2:15 AM ET

Seats Otten has held

Source: 99chambers results archive

Who Otten has run against

Source: 99chambers results archive; 2026: South Dakota Secretary of State (unofficial)

How we know Otten

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET