Texas State Senate District 18
Tue, Nov 3 · Represented by Lois Kolkhorst Republican · Member list as of Oct 28
Last result · 2022 general: Lois Kolkhorst (R) 66.2, Josh Tutt (D) 33.8
- Earlier results
- Lois Kolkhorst (Republican) won by 31.6 points, 2020, older linesLois Kolkhorst (Republican) won by 71.6 points, 2016, older linesAll 17 elections
Side by side
Left column: GillumRight column: Kolkhorst
- Donor-based spectrum
- LiberalCentristConservativeKolkhorstNo published score for Gillum
How these are counted
The spectrum is a published research score, not our rating. How this works.
Past results
- Votes for listed candidates
- 281,654
- Election day
- November 8, 2022
- District map
- Same as today
Texas Senate District 18, 1968 to 2022, 2022, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon(incumbent) Republican 186,36766.2% DemocraticJosh Tutt Democratic 95,28733.8% - Votes for listed candidates
- 422,361
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2020, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon(incumbent) Republican 277,87265.8% DemocraticMichael Antalan Democratic 144,48934.2% - Votes for listed candidates
- 267,016
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2016, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon Republican 229,05185.8% LibertarianKathie L. Stone Libertarian 37,96514.2% - Votes for listed candidates
- 211,230
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2012, every candidate Candidate Party Votes and share Share RepublicanGlenn HegarWon(incumbent) Republican 211,230100.0%
1968 to 2022: 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: 2022.
All elections (17 for this seat)
- Votes for listed candidates
- 281,654
- Election day
- November 8, 2022
- District map
- Same as today
Texas Senate District 18, 1968 to 2022, 2022, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon(incumbent) Republican 186,36766.2% DemocraticJosh Tutt Democratic 95,28733.8% - Votes for listed candidates
- 422,361
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2020, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon(incumbent) Republican 277,87265.8% DemocraticMichael Antalan Democratic 144,48934.2% - Votes for listed candidates
- 267,016
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2016, every candidate Candidate Party Votes and share Share RepublicanLois KolkhorstWon Republican 229,05185.8% LibertarianKathie L. Stone Libertarian 37,96514.2% - Votes for listed candidates
- 211,230
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Texas Senate District 18, 1968 to 2022, 2012, every candidate Candidate Party Votes and share Share RepublicanGlenn HegarWon(incumbent) Republican 211,230100.0% - Votes for listed candidates
- 207,432
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Texas Senate District 18, 1968 to 2022, 2010, every candidate Candidate Party Votes and share Share RepublicanGlenn HegarWon(incumbent) Republican 146,08770.4% DemocraticPatricia Olney Democratic 61,34529.6% - Votes for listed candidates
- 140,023
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Texas Senate District 18, 1968 to 2022, 2006, every candidate Candidate Party Votes and share Share RepublicanGlenn HegarWon Republican 110,51278.9% LibertarianRoy O. Wright II Libertarian 29,51121.1% - Votes for listed candidates
- 160,205
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Texas Senate District 18, 1968 to 2022, 2002, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon(incumbent) Democratic 85,40153.3% RepublicanLester Phipps Republican 72,29645.1% LibertarianHorace Henley Libertarian 2,5081.6% - Votes for listed candidates
- 143,486
- Election day
- November 3, 1998
- District map
- Older district map (1994 to 2001)
Texas Senate District 18, 1968 to 2022, 1998, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon(incumbent) Democratic 85,29159.4% RepublicanReese Turner Republican 58,19540.6% - Votes for listed candidates
- 98,066
- Election day
- November 8, 1994
- District map
- Older district map (1994 to 2001)
Texas Senate District 18, 1968 to 2022, 1994, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon(incumbent) Democratic 98,066100.0% - Votes for listed candidates
- 190,634
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 1993)
Texas Senate District 18, 1968 to 2022, 1992, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon(incumbent) Democratic 113,72959.7% RepublicanCarolyn McDaniel Republican 76,90540.3% - Votes for listed candidates
- 105,973
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Texas Senate District 18, 1968 to 2022, 1990, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon(incumbent) Democratic 105,973100.0% - Votes for listed candidates
- 124,494
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Texas Senate District 18, 1968 to 2022, 1986, every candidate Candidate Party Votes and share Share DemocraticKen ArmbristerWon Democratic 76,72361.6% RepublicanBill Livingston Republican 47,77138.4% - Votes for listed candidates
- 101,211
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Texas Senate District 18, 1968 to 2022, 1982, every candidate Candidate Party Votes and share Share DemocraticJohn WilsonWon(incumbent) Democratic 67,56366.8% RepublicanJ. Everett Ware Republican 32,29831.9% OtherSusan Guinn Other 1,3501.3% - Votes for listed candidates
- 124,569
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Texas Senate District 18, 1968 to 2022, 1980, every candidate Candidate Party Votes and share Share DemocraticJohn WilsonWon Democratic 81,53865.5% RepublicanBill Buckner Republican 43,03134.5% - Votes for listed candidates
- 85,460
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Texas Senate District 18, 1968 to 2022, 1976, every candidate Candidate Party Votes and share Share DemocraticWilliam PatmanWon(incumbent) Democratic 85,435100.0% Scattered write-ins Write-in 250.0% - Votes for listed candidates
- 81,181
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Texas Senate District 18, 1968 to 2022, 1972, every candidate Candidate Party Votes and share Share DemocraticWilliam PatmanWon(incumbent) Democratic 57,91771.3% RepublicanJack Tumlinson Republican 23,26428.7% - Votes for listed candidates
- 70,148
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Texas Senate District 18, 1968 to 2022, 1968, every candidate Candidate Party Votes and share Share DemocraticWilliam PatmanWon(incumbent) Democratic 70,137100.0% Scattered write-ins Write-in 110.0%
More about this race
Source: sos.state.tx.us (PDF), dated Aug 28
District map
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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Cite this page
Election Wrld. (2026). Texas State Senate District 18, election results 1968 to 2022. https://www.electionwrld.com/tx/senate/18. Retrieved October 31, 2026.
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<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; 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.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026