Colorado State Senate District 28
Next vote Tue, Nov 3, 2026 · Represented by Mike Weissman Democratic · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Mike Weissman (Democratic) won by 27.0 points, 2024
More about this seat
All State Senate districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
Vote in Colorado
Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org
History (14 elections for this seat)
- Votes for listed candidates
- 55,207
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Colorado Senate District 28, 1970 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMike WeissmanWon Democratic 35,06463.5% RepublicanPedro Espinoza Republican 20,14336.5% - Votes for listed candidates
- 82,415
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Colorado Senate District 28, 1970 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticJanet BucknerWon Democratic 51,02861.9% RepublicanKarl Stecher Republican 31,38738.1% - Votes for listed candidates
- 70,239
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Colorado Senate District 28, 1970 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticNancy ToddWon(incumbent) Democratic 39,14355.7% RepublicanJames Woodley Republican 31,09644.3% - Votes for listed candidates
- 64,115
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Colorado Senate District 28, 1970 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticNancy ToddWon Democratic 37,18158.0% RepublicanJohn S. Lyons Republican 24,47538.2% LibertarianRobert Harrison Libertarian 2,4593.8% - Votes for listed candidates
- 55,357
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Colorado Senate District 28, 1970 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticSuzanne WilliamsWon(incumbent) Democratic 33,33860.2% RepublicanSueyuna Duthie Republican 19,41635.1% LibertarianKenneth P. Wyble Libertarian 2,6034.7% - Votes for listed candidates
- 50,697
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Colorado Senate District 28, 1970 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticSuzanne S. WilliamsWon Democratic 28,06655.4% RepublicanBruce E. Cairns(incumbent) Republican 22,63144.6% - Votes for listed candidates
- 41,049
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Colorado Senate District 28, 1970 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanBruce E. CairnsWon Republican 21,61252.6% DemocraticRobert Borquez Democratic 18,04044.0% LibertarianStephen J. Dreiling Libertarian 1,3973.4% - Votes for listed candidates
- 33,306
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Colorado Senate District 28, 1970 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanElsie LacyWon(incumbent) Republican 19,12757.4% DemocraticMartha Guillory Democratic 14,17942.6% - Votes for listed candidates
- 37,565
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Colorado Senate District 28, 1970 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanElsie LacyWon Republican 21,33856.8% DemocraticBelle Miran Democratic 16,22743.2% - Votes for listed candidates
- 29,210
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Colorado Senate District 28, 1970 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanJack FenlonWon(incumbent) Republican 22,56177.2% OtherMark W. Hanna Other 6,64922.8% - Votes for listed candidates
- 31,353
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Colorado Senate District 28, 1970 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanJack FenlonWon Republican 20,68666.0% DemocraticTerry Johnson Democratic 10,66734.0% - Votes for listed candidates
- 14,878
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Colorado Senate District 28, 1970 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticJames M. KadlecekWon(incumbent) Democratic 14,878100.0% - Votes for listed candidates
- 19,361
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Colorado Senate District 28, 1970 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticJames M. KadlecekWon Democratic 11,19157.8% RepublicanWilliam S. Garnsey(incumbent) Republican 8,17042.2% - Votes for listed candidates
- 14,665
- Election day
- November 3, 1970
- District map
- Older district map (1968 to 1971)
Colorado Senate District 28, 1970 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticMaurice ParkerWon Democratic 7,64752.1% RepublicanTed Gill Republican 7,01847.9%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1970 to 2020: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). Colorado State Senate District 28, election results 1970 to 2024. https://www.electionwrld.com/co/senate/28. Retrieved October 30, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/co/senate/28" title="Colorado Senate District 28" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:co/sldu:28
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026