NONPARTISAN · SOURCED FROM CONGRESS.GOV, OPENFEC, SENATE & HOUSE CLERKS · UPDATED REGULARLY

Nonpartisan · Data from OpenStates / Plural Policy · Colorado

Democratic · Senator

Chris Kolker

Represents District 16 in the State Senate.

Official site ↗ Email

Votes with Democrats

98%

on 313 party-line votes · Senate Democrats median 97%

Cast a vote

99%

Yea or Nay on 1,284 of 1,297 roll calls · Senate median 99%

Their bills that became law

23 of 30

as a primary sponsor, this session · Democrats median 23

Roll calls on record

1,297

2026 Regular Session

Votes and bills updated Oct 10, 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 Chris Kolker 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 Chris Kolker sits in the Senate

Each dot is one member of the Senate, placed by how often they voted on the Democratic side of party-line votes. Chris Kolker is circled.

Always on the Republican sideAlways on the Democratic side

Times they broke with their party

6 of 313 party-line votes.

HJR1031 · 2027 Session Convening Date & Deadlines

In plain English Sets the convening date for the 2027 legislative session and establishes deadlines for the Senate and House based on that date.

Nay

Senate: Consideration of Resolutions Resolution · 2026-05-13 · Passed 18–16 · most Democrats voted the other way

SB048 · Remove Exception to Marry with Judicial Approval

In plain English Limits the age difference allowed between parties when a minor marries with judicial approval.

Nay

Senate: House Amendments Concur · 2026-05-13 · Passed 18–17 · most Democrats voted the other way

SB134 · Payment Card Networks' Fees

Nay

Senate: Third Reading Bill · 2026-05-01 · Passed 18–17 · most Democrats voted the other way

SB134 · Payment Card Networks' Fees

Nay

Senate: Third Reading Bill · 2026-04-29 · Passed 18–16 · most Democrats voted the other way

SB135 · State Public K-12 Education Funding

In plain English Increases state funding for public K-12 education for ten years and allows the state to retain excess revenue for this purpose.

Yea

Senate: Committee of the Whole Cow * (s.001) · 2026-04-24 · Failed 13–20 · most Democrats voted the other way

SB066 · Regulation of Compounded Weight-Loss Medication

In plain English Requires state regulation of weight-loss medications that are compounded but not approved by the federal Food and Drug Administration.

Nay

Senate: Third Reading Bill · 2026-04-17 · Passed 20–15 · most Democrats voted the other way

Closest votes they cast

Roll calls decided by the fewest votes, one per bill.

HB1274 · State Agency Payments to Grant Recipients

In plain English Allows state agencies to pay a percentage of a grant's total value to nonprofit recipients when executing or renewing grant agreements.

Yea

Senate: Miscellaneous Recede · 2026-05-13 · Failed 17–17

HB1289 · Modification of Certain Tax Expenditures

Nay

Senate: Committee of the Whole Cow * (s.001) · 2026-05-12 · Failed 17–17

HB1418 · Online Add-on Transaction Fee Youth Service Enterprise

In plain English Requires social media platforms offering online gaming to young people to charge fees on add-on purchases and direct revenue to new enterprises funding youth mental health and programming services.

Yea

Senate: Third Reading Bill · 2026-05-13 · Passed 18–17

SB115 · Post-Conviction Relief for Certain Offenders

In plain English Allows certain imprisoned offenders to seek post-conviction relief and adjusts state funding accordingly.

Yea

Senate: House Amendments Repass · 2026-05-13 · Passed 18–17

HB1054 · Protections for Worker Safety

Yea

Senate: Third Reading Bill · 2026-05-13 · Failed 17–18

Republicans 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.

Cleave SimpsonRepublican · District 6 · 318 shared contested votes

40%

Barbara KirkmeyerRepublican · District 23 · 362 shared contested votes

33%

Marc CatlinRepublican · District 5 · 259 shared contested votes

32%

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 (13 in all). Gaps are months the chamber wasn’t voting.

← Colorado Delegation

Their bills, from filing to law

Bills Chris Kolker 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.

Introduced30

Out of committee29

Passed one chamber28

Passed both chambers27

Became law23

Never left committee0

For comparison, the median Democratic member of the Senate has 23 bills that became law this session.

What their bills are about

Education & School Finance (Pre & K-12) 10State Government 7Business & Economic Development 4Labor & Employment 2Fiscal Policy & Taxes 2Transportation & Motor Vehicles 2

HB1420 ↗

Wind Energy Facilities Light-Mitigating Technology

Concerning changes to the approval process for light-mitigating technology that is required to be installed at certain wind-powered energy generation facilities.

Became lawGovernor Signed · 2026-06-04

HB1287 ↗

Sunset Division of Real Estate

In plain English Extends the Division of Real Estate's regulatory functions and implements recommendations from a 2025 sunset review.

Official synopsis: Concerning the continuation of certain regulatory functions of the division of real estate, and, in connection therewith, implementing the recommendations contained in the 2025 sunset report by the department of regulatory agencies.

Became lawGovernor Signed · 2026-06-04

HJR1028 ↗

Full and Fair Funding of Public Schools

Concerning a commitment to pursue full and fair funding of public schools.

Became lawSigned by the President of the Senate · 2026-06-03

HB1424 ↗

Transportation Network Company Consumer Protection

In plain English Requires transportation network companies to provide increased consumer protections for drivers and passengers.

Official synopsis: Concerning measures to increase protections for persons engaged with transportation network companies.

Became lawGovernor Signed · 2026-06-02

SB103 ↗

At-Risk Public School Program & Public School Accountability

In plain English Creates a specialized school policy for at-risk students in public schools.

Official synopsis: Concerning public schools, and, in connection therewith, creating a specialized school policy for at-risk students.

Became lawGovernor Signed · 2026-06-02

HB1230 ↗

Extend Conservation Easement Tax Credit

In plain English Extends the conservation easement tax credit through income tax year 2036.

Official synopsis: Concerning the extension of the conservation easement tax credit through income tax year 2036.

Became lawGovernor Signed · 2026-06-01

HB1141 ↗

Discriminatory Practices in Public Schools

Concerning civil rights violations involving discriminatory practices in public schools.

Became lawGovernor Signed · 2026-06-01

HB1026 ↗

Expanding Plan Options for PERA

In plain English Expands plan options available to members of the Public Employees' Retirement Association.

Official synopsis: Concerning an expansion of plan options for the public employees' retirement association.

Became lawGovernor Signed · 2026-06-01

SB147 ↗

Lobbyist Regulation

Concerning the regulation of lobbyists, and, in connection therewith, making an appropriation.

VetoedGovernor Vetoed · 2026-05-29

SB125 ↗

Disability Rights Protections in Public Schools

Concerning disability rights protections in public schools.