Colorado State Senate District 10
Next vote Tue, Nov 3, 2026 · Represented by Larry Liston Republican · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Larry Liston (Republican) won by 17.8 points, 2024
More about this seat
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- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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History (15 elections for this seat)
- Votes for listed candidates
- 87,436
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Colorado Senate District 10, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanLarry ListonWon Republican 49,88657.0% DemocraticRyan Howard Lucas Democratic 34,35239.3% LibertarianJohn C. Hjersman Libertarian 3,1983.7% - Votes for listed candidates
- 84,197
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Colorado Senate District 10, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanLarry ListonWon Republican 47,46356.4% DemocraticRandi McCallian Democratic 32,11438.1% OtherHeather Johnson Other 4,6205.5% - Votes for listed candidates
- 72,262
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Colorado Senate District 10, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanOwen HillWon(incumbent) Republican 47,83266.2% DemocraticMark Anthony Barrionuevo Democratic 24,43033.8% - Votes for listed candidates
- 60,176
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Colorado Senate District 10, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanOwen HillWon Republican 44,20073.5% LibertarianBrandon Hughes Libertarian 10,25517.0% OtherChristopher Mull Other 5,7219.5% - Votes for listed candidates
- 65,605
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Colorado Senate District 10, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanBill L. CadmanWon Republican 42,65065.0% DemocraticDiane D. Whitley Democratic 22,95535.0% - Votes for listed candidates
- 47,090
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Colorado Senate District 10, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanRon MayWon(incumbent) Republican 47,090100.0% - Votes for listed candidates
- 44,817
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Colorado Senate District 10, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanRon MayWon Republican 28,94264.6% DemocraticDan Tafoya Democratic 13,53630.2% LibertarianPatricia S. Glidewell Libertarian 2,3395.2% - Votes for listed candidates
- 21,871
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Colorado Senate District 10, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanRay PowersWon(incumbent) Republican 21,871100.0% - Votes for listed candidates
- 30,167
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Colorado Senate District 10, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanRay PowersWon(incumbent) Republican 30,167100.0% - Votes for listed candidates
- 27,088
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Colorado Senate District 10, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanRay PowersWon(incumbent) Republican 27,088100.0% - Votes for listed candidates
- 22,755
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Colorado Senate District 10, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanRay PowersWon(incumbent) Republican 22,755100.0% - Votes for listed candidates
- 30,531
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Colorado Senate District 10, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanRay PowersWon Republican 21,28069.7% DemocraticJohn D. Odonnell Democratic 9,25130.3% - Votes for listed candidates
- 20,774
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Colorado Senate District 10, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanDonald T. HardingWon Republican 11,81756.9% DemocraticDuran Democratic 8,95743.1% - Votes for listed candidates
- 18,937
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Colorado Senate District 10, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanKingston G. MinisterWon(incumbent) Republican 10,81957.1% DemocraticBernard R. Baker Democratic 8,11842.9% - Votes for listed candidates
- 33,135
- Election day
- November 5, 1968
- District map
- Older district map (1968 to 1971)
Colorado Senate District 10, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanJoe ShoemakerWon Republican 23,39870.6% DemocraticGeorge A. Wester Democratic 9,73729.4%
- 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
- 1968 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.
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Cite this page
Election Wrld. (2026). Colorado State Senate District 10, election results 1968 to 2024. https://www.electionwrld.com/co/senate/10. Retrieved October 30, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/co/senate/10" title="Colorado Senate District 10" 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:10
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026