Colorado State Senate District 31

Tue, Nov 3 · Represented by Matt Ball Democratic · Member list as of Oct 28

Matt BallDemocratic · Incumbent

One candidate on the printed ballot.

Last election: Chris Hansen (Democratic) won by 67.8 points, 2024
On the 2026 ballot: 1 candidate

All State Senate districts

More about this race

Candidates on the ballot

Uncontested

One candidate on the printed ballot.

Matt BallIncumbentDemocratic

Source: coloradosos.gov (XLSX), dated Sep 15

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Official results for Colorado

History (16 elections for this seat)

Votes for listed candidates: 90,284
Election day: November 5, 2024
District map: Older district map (2022 to 2024)

Colorado Senate District 31, 1970 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
DemocraticChris HansenWon	Democratic	75,76983.9%	83.9%
LibertarianDavid Aitken	Libertarian	14,51516.1%	16.1%

Colorado Senate District 31, 1970 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
DemocraticChris HansenWon	Democratic	74,28876.7%	76.7%
RepublicanDoug Townsend	Republican	22,56223.3%	23.3%

Colorado Senate District 31, 1970 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
DemocraticLois CourtWon	Democratic	57,79369.6%	69.6%
RepublicanBob Lane	Republican	25,26830.4%	30.4%

Votes for listed candidates: 77,815
Election day: November 6, 2012
District map: Older district map (2012 to 2021)

Colorado Senate District 31, 1970 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
DemocraticM. Patrick SteadmanWon(incumbent)	Democratic	54,39069.9%	69.9%
RepublicanMichael Carr	Republican	23,42530.1%	30.1%

Votes for listed candidates: 33,432
Election day: November 2, 2010
Type: Special election
District map: Older district map (2002 to 2011)

Colorado Senate District 31, 1970 to 2024, 2010, every candidate
Candidate	Party	Votes and share	Share
DemocraticM. Patrick SteadmanWon	Democratic	22,60867.6%	67.6%
RepublicanDoug Smith	Republican	9,12727.3%	27.3%
OtherClifton Powell	Other	1,6975.1%	5.1%

Votes for listed candidates: 48,548
Election day: November 4, 2008
District map: Older district map (2002 to 2011)

Colorado Senate District 31, 1970 to 2024, 2008, every candidate
Candidate	Party	Votes and share	Share
DemocraticJennifer VeigaWon(incumbent)	Democratic	36,42775.0%	75.0%
RepublicanWilliam Leslie	Republican	12,12125.0%	25.0%

Colorado Senate District 31, 1970 to 2024, 2004, every candidate
Candidate	Party	Votes and share	Share
DemocraticJennifer VeigaWon	Democratic	34,856100.0%	100.0%

Votes for listed candidates: 24,443
Election day: November 7, 2000
District map: Older district map (1992 to 2001)

Colorado Senate District 31, 1970 to 2024, 2000, every candidate
Candidate	Party	Votes and share	Share
DemocraticDoug LinkhartWon(incumbent)	Democratic	17,34070.9%	70.9%
RepublicanAl Mewborn	Republican	5,72023.4%	23.4%
LibertarianPatrick Adamson	Libertarian	1,3835.7%	5.7%

Colorado Senate District 31, 1970 to 2024, 1996, every candidate
Candidate	Party	Votes and share	Share
DemocraticDoug LinkhartWon	Democratic	16,121100.0%	100.0%

Colorado Senate District 31, 1970 to 2024, 1992, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald J. MaresWon	Democratic	21,326100.0%	100.0%

Votes for listed candidates: 23,370
Election day: November 8, 1988
District map: Older district map (1982 to 1991)

Colorado Senate District 31, 1970 to 2024, 1988, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald SandovalWon(incumbent)	Democratic	17,54675.1%	75.1%
RepublicanChristine Valdez	Republican	5,82424.9%	24.9%

Colorado Senate District 31, 1970 to 2024, 1984, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald SandovalWon(incumbent)	Democratic	18,650100.0%	100.0%

Votes for listed candidates: 42,670
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Colorado Senate District 31, 1970 to 2024, 1980, every candidate
Candidate	Party	Votes and share	Share
DemocraticRichard M. SoashWon(incumbent)	Democratic	27,33464.1%	64.1%
RepublicanCharles A. Bailey	Republican	15,33635.9%	35.9%

Colorado Senate District 31, 1970 to 2024, 1976, every candidate
Candidate	Party	Votes and share	Share
DemocraticRichard M. SoashWon	Democratic	18,50552.0%	52.0%
RepublicanStoddard	Republican	17,05848.0%	48.0%

Votes for listed candidates: 30,730
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Colorado Senate District 31, 1970 to 2024, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanFay DeberardWon(incumbent)	Republican	15,62550.9%	50.9%
DemocraticRichard M. Soash	Democratic	15,10549.1%	49.1%

Votes for listed candidates: 15,396
Election day: November 3, 1970
District map: Older district map (1968 to 1971)

Colorado Senate District 31, 1970 to 2024, 1970, every candidate
Candidate	Party	Votes and share	Share
DemocraticChristian WunschWon	Democratic	7,87451.1%	51.1%
RepublicanJack Marshall Jr.	Republican	7,52248.9%	48.9%

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.

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Election Wrld. (2026). Colorado State Senate District 31, election results 1970 to 2024. https://www.electionwrld.com/co/senate/31. Retrieved October 31, 2026.

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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:31

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026