Texas State Senate District 15
Next vote Tue, Nov 3, 2026 · Represented by Molly Cook Democratic · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Cook (Democratic) won by 23.8 points, 2024
More about this seat
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- More than one party
- No member listed
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History (19 elections for this seat)
- Votes for listed candidates
- 324,195
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Texas Senate District 15, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticCookWon Democratic 200,68061.9% RepublicanTrahan Republican 123,51538.1% - Votes for listed candidates
- 243,562
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Texas Senate District 15, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 159,12565.3% RepublicanGeorge Brian Vachris Republican 84,43734.7% - Votes for listed candidates
- 234,763
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Texas Senate District 15, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 153,01665.2% RepublicanRandy Orr Republican 75,51832.2% LibertarianGilberto Velasquez Jr. Libertarian 6,2292.6% - Votes for listed candidates
- 125,388
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Texas Senate District 15, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 74,19259.2% RepublicanRon Hale Republican 48,24938.5% LibertarianGilberto Velasquez Jr. Libertarian 2,9472.4% - Votes for listed candidates
- 217,860
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Texas Senate District 15, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 135,82262.3% RepublicanBill Walker Republican 82,03837.7% - Votes for listed candidates
- 130,055
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Texas Senate District 15, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 77,09659.3% RepublicanBill Walker Republican 52,95940.7% - Votes for listed candidates
- 90,280
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Texas Senate District 15, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 56,88463.0% RepublicanAngel DeLaRosa Republican 33,39637.0% - Votes for listed candidates
- 103,461
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Texas Senate District 15, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 62,45860.4% RepublicanMichael P. Wolfe Republican 41,00339.6% - Votes for listed candidates
- 147,291
- Election day
- November 7, 2000
- District map
- Older district map (1994 to 2001)
Texas Senate District 15, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 95,82665.1% RepublicanWarren A. Lawless Republican 51,46534.9% - Votes for listed candidates
- 130,753
- Election day
- November 5, 1996
- District map
- Older district map (1994 to 2001)
Texas Senate District 15, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 81,13462.0% RepublicanThomas V. Kelly Republican 49,61938.0% - Votes for listed candidates
- 66,341
- Election day
- November 8, 1994
- District map
- Older district map (1994 to 2001)
Texas Senate District 15, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 66,341100.0% - Votes for listed candidates
- 99,942
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 1993)
Texas Senate District 15, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 69,84469.9% RepublicanThomas V. Kelly Republican 25,66025.7% LibertarianGeorge Hollenback Libertarian 4,4384.4% - Votes for listed candidates
- 49,393
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Texas Senate District 15, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 49,393100.0% - Votes for listed candidates
- 47,937
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Texas Senate District 15, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon(incumbent) Democratic 47,937100.0% - Votes for listed candidates
- 82,572
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Texas Senate District 15, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticJohn WhitmireWon Democratic 51,40962.3% RepublicanMarshall Martin Republican 29,19835.4% LibertarianJan Marks Libertarian 1,9652.4% - Votes for listed candidates
- 102,318
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Texas Senate District 15, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticJack OggWon(incumbent) Democratic 56,48055.2% RepublicanRichard Parker Republican 43,67042.7% LibertarianAllan Vogel Libertarian 2,1682.1% - Votes for listed candidates
- 110,392
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Texas Senate District 15, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticJack OggWon(incumbent) Democratic 66,22760.0% RepublicanSid Bowers Republican 44,16540.0% - Votes for listed candidates
- 106,339
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Texas Senate District 15, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticJack OggWon Democratic 59,05755.5% RepublicanHoward D. Moon Republican 47,28244.5% - Votes for listed candidates
- 159,460
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Texas Senate District 15, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanHenry C. GroverWon(incumbent) Republican 115,32872.3% DemocraticWilliam H. Stinson Democratic 44,13227.7%
- 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 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: 2024.
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Cite this page
Election Wrld. (2026). Texas State Senate District 15, election results 1968 to 2024. https://www.electionwrld.com/tx/senate/15. Retrieved October 31, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/tx/senate/15" title="Texas Senate District 15" 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:tx/sldu:15
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026