Kansas State Senate District 23

Next vote Tue, Nov 7, 2028 · Represented by Adam Thomas Republican · Member list as of Oct 28

This seat has no race on the official 2026 list.

Last election: Adam Thomas (Republican) won by 4.8 points, 2024

More about this seat

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Official results for Kansas

History (15 elections for this seat)

Kansas Senate District 23, 1968 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
RepublicanAdam ThomasWon	Republican	18,36252.4%	52.4%
DemocraticStacey B. Knoell	Democratic	16,68647.6%	47.6%

Votes for listed candidates: 38,099
Election day: November 3, 2020
District map: Older district map (2012 to 2020)

Kansas Senate District 23, 1968 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
RepublicanRob OlsonWon(incumbent)	Republican	20,23553.1%	53.1%
DemocraticWendy Budetti	Democratic	17,86446.9%	46.9%

Votes for listed candidates: 31,828
Election day: November 8, 2016
District map: Older district map (2012 to 2016)

Kansas Senate District 23, 1968 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
RepublicanRob OlsonWon(incumbent)	Republican	19,27760.6%	60.6%
DemocraticSpencer Kerfoot	Democratic	12,55139.4%	39.4%

Kansas Senate District 23, 1968 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanRob OlsonWon	Republican	18,85963.0%	63.0%
DemocraticSteve Wright	Democratic	11,09837.0%	37.0%

Votes for listed candidates: 38,181
Election day: November 4, 2008
District map: Older district map (2004 to 2011)

Kansas Senate District 23, 1968 to 2024, 2008, every candidate
Candidate	Party	Votes and share	Share
RepublicanKarin BrownleeWon(incumbent)	Republican	25,47566.7%	66.7%
DemocraticBill Jackson	Democratic	12,70633.3%	33.3%

Kansas Senate District 23, 1968 to 2024, 2004, every candidate
Candidate	Party	Votes and share	Share
RepublicanKarin S. BrownleeWon(incumbent)	Republican	29,075100.0%	100.0%

Votes for listed candidates: 34,890
Election day: November 7, 2000
District map: Older district map (1992 to 2003)

Kansas Senate District 23, 1968 to 2024, 2000, every candidate
Candidate	Party	Votes and share	Share
RepublicanKarin S. BrownleeWon(incumbent)	Republican	25,48873.0%	73.0%
DemocraticGlenn Q. Pierce	Democratic	9,40226.9%	26.9%

Votes for listed candidates: 28,352
Election day: November 5, 1996
District map: Older district map (1992 to 2003)

Kansas Senate District 23, 1968 to 2024, 1996, every candidate
Candidate	Party	Votes and share	Share
RepublicanKarin S. BrownleeWon	Republican	19,72869.6%	69.6%
DemocraticBrad Russell	Democratic	8,62430.4%	30.4%

Kansas Senate District 23, 1968 to 2024, 1992, every candidate
Candidate	Party	Votes and share	Share
RepublicanMark V. ParkinsonWon	Republican	22,212100.0%	100.0%

Votes for listed candidates: 22,149
Election day: November 8, 1988
District map: Older district map (1980 to 1991)

Kansas Senate District 23, 1968 to 2024, 1988, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoss O. DoyenWon(incumbent)	Republican	11,94153.9%	53.9%
DemocraticMichael G. Johnson	Democratic	10,20846.1%	46.1%

Votes for listed candidates: 24,469
Election day: November 6, 1984
District map: Older district map (1980 to 1991)

Kansas Senate District 23, 1968 to 2024, 1984, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoss O. DoyenWon(incumbent)	Republican	13,58755.5%	55.5%
DemocraticKen E. Campbell	Democratic	10,88144.5%	44.5%
OtherGeorge R. Vollmer	Other	10.0%	0.0%

Votes for listed candidates: 23,877
Election day: November 4, 1980
District map: Older district map (1980 to 1991)

Kansas Senate District 23, 1968 to 2024, 1980, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoss O. DoyenWon(incumbent)	Republican	16,88670.7%	70.7%
DemocraticLeon D. Riffel	Democratic	6,99129.3%	29.3%

Votes for listed candidates: 22,840
Election day: November 2, 1976
District map: Older district map (1972 to 1979)

Kansas Senate District 23, 1968 to 2024, 1976, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoss O. DoyenWon(incumbent)	Republican	13,93461.0%	61.0%
DemocraticFrank L. Lombard	Democratic	8,90639.0%	39.0%

Votes for listed candidates: 21,556
Election day: November 7, 1972
District map: Older district map (1972 to 1979)

Kansas Senate District 23, 1968 to 2024, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoss O. DoyenWon(incumbent)	Republican	13,12460.9%	60.9%
DemocraticFrank E. Roth	Democratic	8,43239.1%	39.1%

Votes for listed candidates: 21,715
Election day: November 5, 1968
District map: Older district map (1968 to 1971)

Kansas Senate District 23, 1968 to 2024, 1968, every candidate
Candidate	Party	Votes and share	Share
DemocraticJack W. JanssenWon(incumbent)	Democratic	11,17851.5%	51.5%
RepublicanRex Duwe	Republican	10,53748.5%	48.5%

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

Last contest in this district on file: 2024.

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Election Wrld. (2026). Kansas State Senate District 23, election results 1968 to 2024. https://www.electionwrld.com/ks/senate/23. 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:ks/sldu:23

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