Washington State Senate District 10
Next vote Tue, Nov 3, 2026 · Represented by Ron Muzzall Republican · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Ron Muzzall (Republican) won by 2.0 points, 2024
More about this seat
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- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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Official results for Washington
History (15 elections for this seat)
- Votes for listed candidates
- 90,134
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Washington Senate District 10, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanRon MuzzallWon Republican 45,88950.9% DemocraticJanet St Clair Democratic 44,10548.9% Scattered write-ins Write-in 1400.2% - Votes for listed candidates
- 92,705
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Washington Senate District 10, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanRon MuzzallWon Republican 47,18950.9% DemocraticHelen Price Johnson Democratic 45,41549.0% Scattered write-ins Write-in 1010.1% - Votes for listed candidates
- 74,618
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Washington Senate District 10, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanBarbara BaileyWon(incumbent) Republican 42,30956.7% DemocraticAngie Homola Democratic 32,30943.3% - Votes for listed candidates
- 71,588
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Washington Senate District 10, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanBarbara BaileyWon Republican 37,81052.8% DemocraticMary Margaret Haugen(incumbent) Democratic 33,77847.2% - Votes for listed candidates
- 68,752
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Washington Senate District 10, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticMary Margaret HaugenWon(incumbent) Democratic 36,83553.6% RepublicanLinda Haddon Republican 31,91746.4% - Votes for listed candidates
- 62,068
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Washington Senate District 10, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticMary Margaret HaugenWon(incumbent) Democratic 31,19650.3% RepublicanApril L. Axthelm Republican 29,21947.1% LibertarianBrett Wilhelm Libertarian 1,6532.7% - Votes for listed candidates
- 54,313
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Washington Senate District 10, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticMary Margaret HaugenWon(incumbent) Democratic 27,68951.0% RepublicanNorma Smith Republican 25,02946.1% LibertarianBradley Carey Libertarian 1,5952.9% - Votes for listed candidates
- 48,108
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Washington Senate District 10, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticMary Margaret HaugenWon(incumbent) Democratic 25,35452.7% RepublicanJim Youngsman Republican 22,75447.3% - Votes for listed candidates
- 45,680
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Washington Senate District 10, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticMary Margaret HaugenWon Democratic 26,74458.5% RepublicanCaldwell Republican 18,93641.5% - Votes for listed candidates
- 39,726
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Washington Senate District 10, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanJack MetcalfWon(incumbent) Republican 22,11355.7% DemocraticKeith Wilson Democratic 17,61344.3% - Votes for listed candidates
- 38,247
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Washington Senate District 10, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanJack MetcalfWon(incumbent) Republican 22,65959.2% DemocraticSteve Talmadge Democratic 15,58840.8% - Votes for listed candidates
- 40,891
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Washington Senate District 10, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanJack MetcalfWon Republican 25,64462.7% DemocraticBill Daugherty Democratic 15,24737.3% - Votes for listed candidates
- 32,237
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Washington Senate District 10, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanF. WanamakerWon(incumbent) Republican 16,14550.1% DemocraticJim Shipman Democratic 16,09249.9% - Votes for listed candidates
- 27,764
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Washington Senate District 10, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanF. WanamakerWon Republican 14,55552.4% DemocraticTerry Rielly Democratic 13,20947.6% - Votes for listed candidates
- 23,871
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Washington Senate District 10, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanCharles W. ElickerWon Republican 12,97554.4% DemocraticJohn C. Merkel Democratic 10,89645.6%
- 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). Washington State Senate District 10, election results 1968 to 2024. https://www.electionwrld.com/wa/senate/10. 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; 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:wa/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