Cleave Simpson
Colorado State Senator, District 6 since 2020. Next on the ballot in 2028.
- In office
- 6 yrs
- Since 2020
- Bills became law
- 51
- 75 sponsored, 2025–2026 session
- Votes missed
- 1.2%
- Chamber median 1.3%
- With party
- 77%
- On votes splitting the parties
- Last margin
- +11.8
- Won 2024
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Workplace Harassment · vice chair
- Executive Committee of the Legislative Council
- Finance
- Legislative Council
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Health Care & Health Insurance · Became law Jun 2026
Fiscal Policy & Taxes · Became law Jun 2026
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Simpson sits in the Colorado State Senate
Simpson is closer to the center than 92% of the chamber's Republicans.
Closest: Barbara Kirkmeyer, Marc Catlin,
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:47 PM ET
With Simpson’s party
- Votes with the chamber's Republicans77%
- Cosponsorships of the other party's bills91%
Black tick: the average of Republicans in the Colorado State Senate.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Simpson’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Simpson | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| May 13, 2026 | SB 115: Post-Conviction Relief for Certain Offenders | No | No | Yes | Passed 18–17 |
| May 13, 2026 | HB 1274: State Agency Payments to Grant Recipients | No | No | Yes | Passed 18–17 |
| May 13, 2026 | SB 131: Sports Betting Protections | No | No | Yes | Passed 20–15 |
| May 13, 2026 | HB 1255: Social Media Duty to Report & Search Warrants | No | No | Yes | Passed 18–17 |
| May 13, 2026 | HB 1418: Online Add-on Transaction Fee Youth Service Enterprise | No | No | Yes | Passed 18–17 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Simpson 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.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2024 | Colorado State Senate, District 6 | Won | R+11.8 |
| 2020 | Colorado State Senate, District 35 | Won | R+20.2 |
Source: 99chambers results archive
Seats Simpson has held
- Colorado State Senate, District 6 · since 2024
- Colorado State Senate, District 35 · since 2020
Source: 99chambers results archive
Who Simpson has run against
- Vivian Smotherman (D) · 2024 general, won
- Carlos R. Lopez (D) · 2020 general, won
Source: 99chambers results archive
How we know Simpson
One person, matched across every source we use.
- Open States ocd-person/715df6f2-cef6-4b88-b745-0207c8ffb4ff
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET