RepublicanIn office since Nov 2012

Mike Stevens

South Dakota State Representative, District 18 since 2012. Re-elected in 2026. Next on the ballot in 2028.

South Dakota State Representative, District 18Born 1953Lawyer

Official website Wikipedia

In office: 14 yrs; Since 2012
Bills became law: 8; 12 sponsored, 2025–2026 session
Votes missed: 0.0%; Chamber median 0.8%
With party: 45%; On votes splitting the parties
Last margin: +8.7; Won 2026
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

Education · vice chair
Judiciary · chair

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

Legislation

2025–2026 session · 12 sponsored · 8 became law

BillIntroCmteHouseSenateLaw

HB 1082 establish parameters for the reimbursement of school districts that provide free or reduced-price meals to…
Education · Became law Mar 2026

HB 1108 require the sealing of court files upon dismissal or denial of a petition for a protection order.
Crimes · Became law Mar 2026

HB 1107 modify restrictions on lands for certain public purposes.
Property · Became law Mar 2026

SB 100 revise provisions related to trusts.
Fiduciaries and Trusts · Became law Mar 2026

HB 1040 revise the child support obligation schedule.
Child Support · Failed in the Senate Mar 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Stevens sits in the South Dakota House of Representatives

Stevens is closer to the center than 88% of the chamber's Republicans.

Closest: Nick Fosness, Kevin Van Diepen, Kent Roe

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

With Stevens’s party

Votes with the chamber's Republicans45%

Black tick: the average of Republicans in the South Dakota House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

Date	Bill	Stevens	Rep. majority	Dem. majority	Result
Mar 30, 2026	HB 1138: require the licensure of non-medical home care agencies, and to provide a penalty therefor.	Yes	Yes	Yes	Failed 36–27
Mar 30, 2026	HB 1077: consider a cultivated-protein food product to be adulterated food.	No	Yes	No	Failed 32–32
Mar 9, 2026	SB 245: create the homeowner property tax reduction fund, and to transfer moneys to the homeowner…	No	Yes	No	Passed 42–27
Mar 5, 2026	SB 159: revise requirements pertaining to the minimum age for marriage.	No	Yes	Yes	Passed 40–27
Mar 5, 2026	SB 179: permit a court to commit a juvenile adjudicated delinquent for certain weapons offenses to…	Yes	Yes	No	Passed 42–25

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

Career

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

201220142016201820202022202420262028South Dakota House of Representatives, District 18 South Dakota House of Representatives, District 18

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.

Year	Race	Result	Margin	Seat	+/−
2026	South Dakota Legislative District 18	Won	R+8.7	R+36.0	−27.3
2024	South Dakota House of Representatives, District 18	Won	R+3.9	—	—
2022	South Dakota House of Representatives, District 18	Won	R+3.5	—	—
2020	South Dakota House of Representatives, District 18	Won	R+14.0	—	—
2016	South Dakota House of Representatives, District 18	Won	R+5.3	—	—
2014	South Dakota House of Representatives, District 18	Won	R+4.7	—	—
2014	South Dakota House of Representatives, District 18 (primary)	Won	—	—	—
2012	South Dakota House of Representatives, District 18	Won	D+5.2	—	—