Mark Baisley
- Republican · Colorado Senate District 4 · On the Nov 3 ballot for US Senate, Colorado
- Background
- Engineer · State legislator
- Raised
- $138K
- Cash on hand
- $28K
- First race on record
- 2002
- Races
- Won 3 of 4
Spectrum
Centrist is the middle of the scale, not of Congress. How this works
By donors (CFscore, 2022 cycle)
Research estimate from Stanford DIME 4.0. Source
Matched by name only, so it could be the wrong person.
Method and limits
Published score 1.385 on a scale from −2.0 to 2.0, where 0 is the center. 97 donors. License: ODC-BY 1.0.
Places a candidate by who gave them money; candidates who share donors sit close together.
Reflects the donor network, not votes or views, and comes from past cycles, not a 2026 reading.
Now
US Senate, Colorado · Tue, Nov 3
Mark Baisley RepublicanChristopher Baum OtherBob Chew OtherJohn W. Hickenlooper Democratic (inc.)Blake Huber LibertarianAdam Withrow Other
Career
| Year | Race | Result | Share | Lost to, or other round |
|---|---|---|---|---|
| 2022 | State Senate, CO | Won | 60.8% | |
| 2020 | State House, CO | Won | 63% | |
| 2018 | State House, CO | Won | 62.6% | |
| 2006 | State Senate, CO · election | Lost |
Filed with the FEC, no race in our files: 2002 US House, CO-07.
Races in our results files. Other offices, earlier years and most primaries can be missing. A general that went to a runoff counts as neither a win nor a loss. Some races are matched to this person by name and seat, not by an ID, so one could belong to someone with the same name.
Money
FEC, through Oct 14, 2026Spent $111K · Debts owed $0
Reports through Oct 14, 2026. Matched to the FEC by name, party and seat, so it could be the wrong person.
How these are counted
Later filings are not in yet. Totals for the 2025 to 2026 cycle, not the six-year figures fec.gov shows for senators. Raised $138,210. Cash on hand $27,710. Spent $110,837. Debts owed $0. Main committee: Baisley for Senate. No donor names are shown.
More about Mark Baisley
Offices held (4 terms and offices)
- State Senate, Colorado
- State House, Colorado
- State House, Colorado
- State Senate, Colorado
Background
- Engineer
- State legislator
Source: Campaign site
Official pages (2 links)
Their own pages
Government records
Sources (9 sources)
Ballot listing, coloradosos.gov
Name, party, office and status. Retrieved Sep 15, 2026.
Open States people (current) CSVs
Who holds the seat. Retrieved Oct 28, 2026. License: CC0-1.0 (Open States people data).
Compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns. Not an official source.
Federal 2026 candidates: money totals (web/data/people/money) and the MN federal filing list. Bulk files, no API and no key. Retrieved Oct 29, 2026. License: US government work, public domain. Totals and committee names only; no donor names or addresses are stored.
Stanford DIME public v4.0, recipients file (CFscores)
CFscores for candidates and officials; web/data/ideology/dime.json and aggregate.json. A research estimate by Adam Bonica, not an official measure. Retrieved Oct 29, 2026. License: ODC-BY 1.0.
Compiled by Adam Bonica, Stanford University Libraries (built from campaign finance filings) from official returns. Not an official source.
Bonica, Adam. 2024. Database on Ideology, Money in Politics, and Elections: Public version 4.0 [Computer file]. Stanford, CA: Stanford University Libraries. https://data.stanford.edu/dime .
Election Wrld 2026 candidate files (state election office lists)
Race record. Retrieved Oct 29, 2026. License: state public records; see each row's sourceUrl.
Election Wrld state legislative returns (web/data/results/sld); each row names its upstream source
Race record. Retrieved Oct 29, 2026. License: see sources.json.
FEC candidate master file (cnYY.zip bulk download)
Race record. Retrieved Oct 29, 2026. License: US government work, public domain.
Stanford DIME v4.0 recipients file
Race record. Retrieved Oct 29, 2026. License: ODC-BY 1.0.
Election Wrld officials files (web/data/officials)
Race record. Retrieved Oct 29, 2026. License: see sources.json.
- First win in our records: State Senate district 4, 2022-11-08. Basis: first win in our records (Election Wrld results files; earlier wins may exist outside them).
Officials files, 2026 candidate files, returns files, DIME, FEC candidate master and congress-legislators terms, as of 2026-10-29. Nothing about jobs, retirement, or reasons is recorded or inferred.
Not available for Mark Baisley: a voting record, an age.
DataSources: FEC, DIME (ODC-BY), Results filesData as of Oct 29, 2026Photo credits