Nonpartisan · Data from OpenStates / Plural Policy · South Dakota
Republican
· Representative
Greg Jamison
Represents District 12 in the House of Representatives.
Votes with Republicans
71%
on 87 party-line votes · House Republicans median 79%
Cast a vote
100%
Yea or Nay on 483 of 483 roll calls · House median 99%
Their bills that became law
2 of 5
as a primary sponsor, this session · Republicans median 2
Roll calls on record
483
2026 Regular Session
Votes and bills updated Oct 6, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 2026 Regular Session.
How Greg Jamison votes
A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.
Where Greg Jamison sits in the House
Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. Greg Jamison is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
25 of 87 party-line votes, most recent 10 shown.
SB198 · Restrict the use of a cell phone by a student during the school day.
Do Pass Amended · 2026-03-05 · Failed 28–39 · most Republicans voted the other way
SB220 · Authorize a comprehensive study of juvenile correctional and residential facilities, to make an appropriation therefor, and to declare an emergency.
Do Pass Amended · 2026-03-04 · Failed 30–37 · most Republicans voted the other way
SB76 · Authorize loans from the South Dakota housing infrastructure fund for airport infrastructure.
Do Pass · 2026-03-04 · Passed 7–6 · most Republicans voted the other way
SB223 · Modify the requirements for a petition to refer an excess tax levy of a school district to a vote.
Reconsidered · 2026-03-02 · Failed 31–34 · most Republicans voted the other way
SB223 · Modify the requirements for a petition to refer an excess tax levy of a school district to a vote.
Do Pass Amended · 2026-02-26 · Failed 32–34 · most Republicans voted the other way
SJR504 · Proposing and submitting to the voters at the next general election an amendment to the Constitution of the State of South Dakota, providing for wagering on sporting events via mobile or electronic platform.
Do Pass · 2026-02-25 · Failed 6–7 · most Republicans voted the other way
SB190 · Codify the rights of a parent.
Do Pass Amended · 2026-02-25 · Passed 8–5 · most Republicans voted the other way
SB93 · Prohibit certain state officers or employees from being employed by an organization that was the recipient of a contract awarded on behalf of a state agency for a period of time.
Motion to amend · 2026-02-25 · Passed 8–4 · most Republicans voted the other way
HCR6016 · Supporting reform of the beef checkoff program.
Adopt Resolution · 2026-02-20 · Failed 32–34 · most Republicans voted the other way
HB1163 · Prohibit certain persons from requiring genetic-based vaccinations.
Do Pass · 2026-02-20 · Failed 32–35 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB1077 · Consider a cultivated-protein food product to be adulterated food.
Veto override · 2026-03-30 · Failed 32–32
SJR503 · Applying to the United States Congress for a convention of the states to propose amendments to the United States Constitution regarding the imposition of fiscal restraints on the federal government, further limiting the power and jurisdiction of the federal government, and limiting the terms of office for members of Congress and other federal officials.
Do Pass · 2026-02-11 · Failed 6–6
HB1229 · Require the inclusion of certain features within a manufacturer's application store or on a developer's application.
Do Pass Amended · 2026-02-09 · Failed 6–6
SB76 · Authorize loans from the South Dakota housing infrastructure fund for airport infrastructure.
Do Pass · 2026-03-04 · Passed 7–6
SJR504 · Proposing and submitting to the voters at the next general election an amendment to the Constitution of the State of South Dakota, providing for wagering on sporting events via mobile or electronic platform.
Do Pass · 2026-02-25 · Failed 6–7
Democrats they vote with most
Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.
Nicole Uhre-BalkDemocrat · District 32 · 175 shared contested votes
77%
Kadyn WittmanDemocrat · District 15 · 179 shared contested votes
77%
Erik MuckeyDemocrat · District 15 · 173 shared contested votes
75%
Their session, month by month
Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (0 in all). Gaps are months the chamber wasn’t voting.
← South Dakota Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaNayYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Greg Jamison was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.
Introduced5
Out of committee4
Passed one chamber4
Passed both chambers2
Became law2
Never left committee1
For comparison, the median Republican member of the House has 2 bills that became law this session.
What their bills are about
Senate Joint Resolution 2Ballot Measures 2Boards and Commissions 2Convention of States 1Constitutional Amendments 1Gambling 1
Eliminate an exclusion from the definition of an agricultural equipment dealer.
Became lawSigned by the Governor on March 30, 2026 H.J. 580 · 2026-03-30
Authorize municipalities to establish a local funding mechanism for capital improvement projects.
Became lawSigned by the Governor on March 30, 2026 H.J. 578 · 2026-03-30
Proposing and submitting to the voters at the next general election an amendment to the Constitution of the State of South Dakota, providing for wagering on sporting events via mobile or electronic platform.
Passed one chamberState Affairs Deferred to the 41st legislative day, Passed, YEAS 11, NAYS 2. · 2026-02-25
Applying to the United States Congress under Article V of the United States Constitution to call for a convention proposing an amendment to the constitution fixing the number of justices of the United States Supreme Court at one chief justice and eight associate justices.
Passed one chamberState Affairs Deferred to the 41st legislative day, Passed, YEAS 12, NAYS 0. · 2026-02-25
Provide for indigent legal services by the Commission on Indigent Legal Services, and to provide an appropriation therefor.
Not out of committeeJudiciary Tabled, Passed, YEAS 11, NAYS 0. · 2026-02-18
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
HB1138 · 2026-03-30
Require the licensure of non-medical home care agencies, and to provide a penalty therefor. (Veto override)
HB1077 · 2026-03-30
Consider a cultivated-protein food product to be adulterated food. (Veto override)
SB121 · 2026-03-30
Transfer moneys and make an appropriation for the replacement of the Richmond Lake dam and spillway and to declare an emergency. (Conference Committee Report adopted)
SB78 · 2026-03-12
Revise the General Appropriations Act for fiscal year 2026. (Do Pass Amended)
HB1326 · 2026-03-12
Appropriate money for the ordinary expenses of the legislative, judicial, and executive departments of the state, the current expenses of state institutions, interest on the public debt, and common schools. (Do Pass)
HB1051 · 2026-03-12
Revise property tax levies for school districts and to revise the state aid to general and special education formulas. (Do Pass Amended)
HB1200 · 2026-03-11
Make an appropriation for victim services provided by nonprofit organizations. (Conference Committee Report adopted)
SB74 · 2026-03-11
Transfer moneys to the general fund from the budget reserve fund and the general revenue replacement fund, and to declare an emergency. (Conference Committee Report adopted)
HB1038 · 2026-03-10
Allow the Public Utilities Commission to assess actual costs to data centers that are customers of public utilities. (Concurred in amendments)
HB1320 · 2026-03-10
Revise a provision related to service of process for boards of county commissioners. (Concurred in amendments)
HB1215 · 2026-03-10
Authorize counties and municipalities to issue a license for a cigar bar. (Concurred in amendments)
HB1274 · 2026-03-10
Prohibit the dispensing, distribution, sale, or advertisement of certain articles or things for purposes of an unlawful abortion and provide a criminal and civil penalty therefor. (Concurred in amendments)
HB1323 · 2026-03-10
Modify the requirements to refer an ordinance or resolution to the voters of a political subdivision. (Failed to concur, no committee appointed)
HB1220 · 2026-03-10
Regulate the sale of nicotine products, and to provide a penalty therefor. (Concurred in amendments)
SB74 · 2026-03-09
Transfer moneys to the general fund from the budget reserve fund and the general revenue replacement fund, and to declare an emergency. (Do Pass Amended)
SB120 · 2026-03-09
Make an appropriation for the economic development of South Dakota. (Tabled)
SB102 · 2026-03-09
Modify the distribution of gaming revenues. (Do Pass Amended)
HB1209 · 2026-03-09
Require employment verification eligibility through the e-verify program and to provide a penalty therefor. (Failed to concur, appoint Conference Committee)
SB222 · 2026-03-09
Make an appropriation for eligible water, wastewater, storm water, and riparian buffer initiative projects and to declare an emergency. (Do Pass Amended)
SB244 · 2026-03-09
Address issues facing South Dakota. (Tabled)
SB221 · 2026-03-09
Regulate the retail sale of nicotine products, and to provide a penalty therefor. (Do Pass Amended)
HB1200 · 2026-03-09
Make an appropriation for victim services provided by nonprofit organizations. (Failed to concur, appoint Conference Committee)
SB119 · 2026-03-09
Create the capitol restoration fund and to transfer moneys thereto. (Do Pass Amended)
SB121 · 2026-03-09
Transfer moneys and make an appropriation for the replacement of the Richmond Lake dam and spillway and to declare an emergency. (Do Pass Amended)
SB219 · 2026-03-09
Require that a state agency consult with the Aeronautics Commission prior to purchasing, transferring, or disposing of a state owned and operated aircraft. (Do Pass Amended)
SB106 · 2026-03-09
Modify the amount required to be set aside for extraordinary expenses incurred in providing special education programs. (Do Pass Amended)
SB245 · 2026-03-09
Create the homeowner property tax reduction fund, and to transfer moneys to the homeowner property tax reduction fund. (Do Pass Amended)
SB139 · 2026-03-05
Revise a provision related to the transportation of an inmate upon discharge from a correctional facility. (Do Pass Amended)
SB137 · 2026-03-05
Establish procedures for anti-SLAPP actions to protect the exercise of a person's constitutional rights, including freedom of speech. (Do Pass Amended)
SB76 · 2026-03-05
Authorize loans from the South Dakota housing infrastructure fund for airport infrastructure. (Do Pass Amended)
SB171 · 2026-03-05
Amend provisions pertaining to the processing of absentee ballots and to declare an emergency. (Do Pass Amended)
SB198 · 2026-03-05
Restrict the use of a cell phone by a student during the school day. (Do Pass Amended)
SB96 · 2026-03-05
Authorize the imposition of a county option gross receipts tax to reduce owner-occupied property taxes. (Do Pass Amended)
SB39 · 2026-03-05
Revise provisions relating to industrial hemp. (Do Pass Amended)
SB159 · 2026-03-05
Revise requirements pertaining to the minimum age for marriage. (Do Pass Amended)
SB135 · 2026-03-05
Protect residents from increased utility costs and utility shortages caused by data centers and clarify authority to regulate data centers. (Do Pass Amended)
SB204 · 2026-03-05
Revise certain criteria for loans from the South Dakota housing infrastructure fund. (Do Pass Amended)
SB107 · 2026-03-05
Add licensed and registered child care programs to the definition of community safety zone. (Do Pass)
SB179 · 2026-03-05
Permit a court to commit a juvenile adjudicated delinquent for certain weapons offenses to the Department of Corrections. (Do Pass)
SB76 · 2026-03-04
Authorize loans from the South Dakota housing infrastructure fund for airport infrastructure. (Do Pass)
SB96 · 2026-03-04
Authorize the imposition of a county option gross receipts tax to reduce owner-occupied property taxes. (Do Pass)
SB204 · 2026-03-04
Revise certain criteria for loans from the South Dakota housing infrastructure fund. (Do Pass)
SB245 · 2026-03-04
Create the homeowner property tax reduction fund, and to transfer moneys to the homeowner property tax reduction fund. (Do Pass Amended)
SB124 · 2026-03-04
Temporarily prohibit the manufacture, sale, and distribution of any product containing cell-cultured protein, and to provide a penalty therefor. (Do Pass Amended)
SB175 · 2026-03-04
Require that an individual provide proof of citizenship when registering to vote and to declare an emergency. (Do Pass Amended)
SB136 · 2026-03-04
Make an appropriation for grants to support the purchase of personal protective equipment by volunteer fire departments and to declare an emergency. (Do Pass)
SB3 · 2026-03-04
Limit the types of residential improvements for which counties, municipalities, and townships may require a permit. (Conference Committee Report adopted)
SB69 · 2026-03-04
Make an appropriation for the purchase of a new Division of Highway Patrol airplane and mission equipment and to declare an emergency. (Do Pass)
SB244 · 2026-03-04
Address issues facing South Dakota. (Do Pass)
SB198 · 2026-03-04
Restrict the use of a cell phone by a student during the school day. (Placed on calendar pursuant to JR 6F-6)
SB37 · 2026-03-04
Make appropriations for water and environmental purposes and to declare an emergency. (Do Pass)
SB44 · 2026-03-04
Establish investigative subpoena authority to gather business records in certain investigations. (Do Pass Amended)
SB79 · 2026-03-04
Make an appropriation to the South Dakota Board of Technical Education to construct an advanced manufacturing laboratory space and classrooms on the campus of Southeast Technical College and to declare an emergency. (Do Pass)
SB40 · 2026-03-04
Revise the compliance requirements for limitations on foreign ownership of agricultural land. (Do Pass)
HB1194 · 2026-03-04
Clarify authority for the Cosmetology Commission to credit work experience for educational hours for certain out-of-state licensure applicants, and to require the commission to promulgate rules therefor. (Concurred in amendments)
SB151 · 2026-03-04
Require the publication of the results of an election for precinct committeeman or committeewoman and to declare an emergency. (Do Pass)
SB228 · 2026-03-04
Modify provisions for a tax increment financing district. (Do Pass Amended)
HB1102 · 2026-03-04
Reschedule the date for filing certain annual reports. (Concurred in amendments)
SB49 · 2026-03-04
Safeguard the integrity, privacy, and security of genetic data and provide a civil penalty therefor. (Do Pass Amended)
SB220 · 2026-03-04
Authorize a comprehensive study of juvenile correctional and residential facilities, to make an appropriation therefor, and to declare an emergency. (Do Pass Amended)
Complete voting record from LegiScan (showing the 60 most recent of 483 total roll-call votes this session).
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