AZ
Arizona House District 10
Next vote Tue, Nov 3, 2026 · Represented by Ralph Heap Republican, Justin Olson Republican · Member list as of Oct 28
Not available. No official list was read (azsos.gov blocks automated access). Arizona Secretary of State, Elections
- Last election
- Justin Olson (Republican) won by 0.8 points, 2024
- Seats
- 2 seats in this district
More about this seat
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List every House of Representatives district (30)
- State House District 1· Selina Bliss, Quang Nguyen
- State House District 2· Stephanie Simacek, Justin Wilmeth
- State House District 3· Alex Kolodin, Cody Reim
- State House District 4· Pamela Carter, Matt Gress
- State House District 5· Sarah Liguori, Aaron Márquez
- State House District 6· Mae Peshlakai, Myron Tsosie
- State House District 7· Sylvia Allen, Walt Blackman
- State House District 8· Janeen Connolly, Brian Garcia
- State House District 9· Lorena Austin, Seth Blattman
- State House District 10· Ralph Heap, Justin Olson
- State House District 11· Junelle Cavero, Oscar De Los Santos
- State House District 12· Patty Contreras, Stacey Travers
- State House District 13· Jeff Weninger, Julie Willoughby
- State House District 14· Laurin Hendrix, Khyl Powell
- State House District 15· Neal Carter, Michael Way
- State House District 16· Chris Lopez, Teresa Martinez
- State House District 17· Rachel Keshel, Kevin Volk
- State House District 18· Nancy Gutierrez, Chris Mathis
- State House District 19· Lupe Diaz, Gail Griffin
- State House District 20· Alma Hernández, Betty Villegas
- State House District 21· Stephanie Stahl Hamilton, Consuelo Hernandez
- State House District 22· Lupe Contreras, Elda Luna-Nájera
- State House District 23· Michele Peña, Mariana Sandoval
- State House District 24· Anna Abeytia, Lydia Hernandez
- State House District 25· Michael Carbone, Nick Kupper
- State House District 26· Cesar Aguilar, Quantá Crews
- State House District 27· Lisa Fink, Tony Rivero
- State House District 28· David Livingston, Beverly Pingerelli
- State House District 29· Steve Montenegro, James Taylor
- State House District 30· Leo Biasiucci, John Gillette
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History (29 elections for this seat)
- Votes for listed candidates
- 211,157
- Election day
- November 5, 2024
- Seats
- 2
- District map
- Older district map (2022 to 2024)
Arizona House of Representatives District 10, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanJustin OlsonWon Republican 65,45431.0% RepublicanRalph HeapWon Republican 63,69530.2% DemocraticHelen Hunter Democratic 40,95819.4% DemocraticStephanie Simmons Democratic 40,92619.4% Scattered write-ins Write-in 1240.1% - Votes for listed candidates
- 135,396
- Election day
- November 8, 2022
- Seats
- 2
- District map
- Older district map (2022)
Arizona House of Representatives District 10, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanJustin HeapWon Republican 50,02437.0% RepublicanBarbara Rowley ParkerWon Republican 49,19036.3% DemocraticHelen Hunter Democratic 36,18226.7% - Votes for listed candidates
- 208,814
- Election day
- November 3, 2020
- Seats
- 2
- District map
- Older district map (2012 to 2021)
Arizona House of Representatives District 10, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticDomingo DegraziaWon(incumbent) Democratic 59,72528.6% DemocraticStephanie Stahl HamiltonWon Democratic 59,34428.4% RepublicanMichael Hicks Republican 46,95022.5% RepublicanMabelle Gummere Republican 42,79520.5% - Votes for listed candidates
- 138,472
- Election day
- November 6, 2018
- Seats
- 2
- District map
- Older district map (2012 to 2021)
Arizona House of Representatives District 10, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticKirsten EngelWon(incumbent) Democratic 49,16335.5% DemocraticDomingo DegraziaWon Democratic 42,71630.9% RepublicanTodd Clodfelter(incumbent) Republican 38,69727.9% GreenJoshua Reilly Green 7,8965.7% - Votes for listed candidates
- 135,927
- Election day
- November 8, 2016
- Seats
- 2
- District map
- Older district map (2012 to 2021)
Arizona House of Representatives District 10, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanTodd ClodfelterWon Republican 45,62733.6% DemocraticKirsten EngelWon Democratic 45,53033.5% DemocraticStefanie Mach(incumbent) Democratic 44,77032.9% - Votes for listed candidates
- 119,074
- Election day
- November 4, 2014
- Seats
- 2
- District map
- Older district map (2012 to 2021)
Arizona House of Representatives District 10, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticBruce WheelerWon(incumbent) Democratic 32,73127.5% DemocraticStefanie MachWon(incumbent) Democratic 31,16326.2% RepublicanTodd Clodfelter Republican 29,94025.1% RepublicanWilliam Wildish Republican 25,24021.2% - Votes for listed candidates
- 157,268
- Election day
- November 6, 2012
- Seats
- 2
- District map
- Older district map (2012 to 2021)
Arizona House of Representatives District 10, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticBruce WheelerWon(incumbent) Democratic 43,05827.4% DemocraticStefanie MachWon Democratic 40,84326.0% RepublicanTed Vogt(incumbent) Republican 37,75824.0% RepublicanTodd A. Clodfelter Republican 35,60922.6% - Votes for listed candidates
- 64,718
- Election day
- November 2, 2010
- Seats
- 2
- District map
- Older district map (2002 to 2003)
Arizona House of Representatives District 10, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanKimberly YeeWon Republican 19,48530.1% RepublicanJames WeiersWon(incumbent) Republican 18,23728.2% DemocraticJackie Thrasher Democratic 14,77022.8% DemocraticAaron Jahneke Democratic 12,22618.9% - Votes for listed candidates
- 91,555
- Election day
- November 4, 2008
- Seats
- 2
- District map
- Older district map (2002 to 2003)
Arizona House of Representatives District 10, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanJim WeiersWon(incumbent) Republican 23,02225.1% RepublicanDoug QuellandWon Republican 22,65624.8% DemocraticJackie Thrasher(incumbent) Democratic 22,10324.1% DemocraticLamont Lovejoy Democratic 18,70920.4% LibertarianScott Gibson Libertarian 2,7073.0% GreenMargarite Dale Green 2,3582.6% - Votes for listed candidates
- 62,432
- Election day
- November 7, 2006
- Seats
- 2
- District map
- Older district map (2002 to 2003)
Arizona House of Representatives District 10, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanJames WeiersWon(incumbent) Republican 17,09327.4% DemocraticJackie ThrasherWon Democratic 16,73526.8% RepublicanDoug Quelland(incumbent) Republican 16,50426.4% DemocraticLamont Lovejoy Democratic 12,10019.4% - Votes for listed candidates
- 85,470
- Election day
- November 2, 2004
- Seats
- 2
- District map
- Older district map (2002 to 2003)
Arizona House of Representatives District 10, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanJames WeiersWon Republican 24,18528.3% RepublicanDoug QuellandWon(incumbent) Republican 22,95926.9% DemocraticJackie Thrasher Democratic 21,28424.9% DemocraticAaron Jahneke Democratic 17,04219.9% - Votes for listed candidates
- 52,849
- Election day
- November 5, 2002
- Seats
- 2
- District map
- Older district map (2002 to 2003)
Arizona House of Representatives District 10, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanLinda GrayWon(incumbent) Republican 16,74131.7% RepublicanDoug QuellandWon Republican 14,33727.1% DemocraticJackie Thrasher Democratic 11,73822.2% DemocraticChristian Frandsen Democratic 10,03319.0% - Votes for listed candidates
- 33,110
- Election day
- November 7, 2000
- Seats
- 2
- District map
- Older district map (1992 to 2001)
Arizona House of Representatives District 10, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticLinda LopezWon Democratic 15,36546.4% DemocraticVictor SolteroWon Democratic 13,59041.0% GreenJack Strasburg Green 4,15512.6% - Votes for listed candidates
- 21,433
- Election day
- November 3, 1998
- Seats
- 2
- District map
- Older district map (1992 to 2001)
Arizona House of Representatives District 10, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticSally Ann GonzalesWon(incumbent) Democratic 11,76154.9% DemocraticRamon O. ValadezWon(incumbent) Democratic 9,67245.1% - Votes for listed candidates
- 35,833
- Election day
- November 5, 1996
- Seats
- 2
- District map
- Older district map (1992 to 2001)
Arizona House of Representatives District 10, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticSally Ann GonzalesWon Democratic 15,46643.2% DemocraticRamon O. ValadezWon Democratic 12,46834.8% RepublicanRobert Motta Republican 7,89922.0% - Votes for listed candidates
- 29,385
- Election day
- November 8, 1994
- Seats
- 2
- District map
- Older district map (1992 to 2001)
Arizona House of Representatives District 10, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 11,51539.2% DemocraticPhillip HubbardWon(incumbent) Democratic 10,71736.5% RepublicanRobert Motta Republican 7,15324.3% - Votes for listed candidates
- 38,265
- Election day
- November 3, 1992
- Seats
- 2
- District map
- Older district map (1992 to 2001)
Arizona House of Representatives District 10, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 18,14347.4% DemocraticPhillip HubbardWon(incumbent) Democratic 16,02241.9% LibertarianThomas F. Lanik Libertarian 4,10010.7% - Votes for listed candidates
- 26,121
- Election day
- November 6, 1990
- Seats
- 2
- District map
- Older district map (1982 to 1991)
Arizona House of Representatives District 10, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 10,63840.7% DemocraticPhillip HubbardWon(incumbent) Democratic 9,25235.4% OtherLorenzo Torrez Other 2,4769.5% LibertarianRichard Brown Libertarian 2,1788.3% LibertarianJeanette Rose Allen Libertarian 1,5686.0% OtherTony Scopellite Other 90.0% - Votes for listed candidates
- 29,030
- Election day
- November 8, 1988
- Seats
- 2
- District map
- Older district map (1982 to 1991)
Arizona House of Representatives District 10, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 12,28942.3% DemocraticPhillip HubbardWon(incumbent) Democratic 10,33435.6% RepublicanGreg David Republican 4,81216.6% OtherLorenzo Torrez Other 1,5955.5% - Votes for listed candidates
- 19,761
- Election day
- November 4, 1986
- Seats
- 2
- District map
- Older district map (1982 to 1991)
Arizona House of Representatives District 10, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 9,10646.1% DemocraticPhillip HubbardWon Democratic 8,32842.1% OtherSteven Valencia Other 2,32711.8% - Votes for listed candidates
- 23,128
- Election day
- November 6, 1984
- Seats
- 2
- District map
- Older district map (1982 to 1991)
Arizona House of Representatives District 10, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 12,52454.1% DemocraticJesus HigueraWon(incumbent) Democratic 10,60445.9% - Votes for listed candidates
- 22,021
- Election day
- November 2, 1982
- Seats
- 2
- District map
- Older district map (1982 to 1991)
Arizona House of Representatives District 10, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 10,15146.1% DemocraticJesus HigueraWon(incumbent) Democratic 8,62139.1% LibertarianTerry J. Orgill Libertarian 3,24914.8% - Votes for listed candidates
- 18,911
- Election day
- November 4, 1980
- Seats
- 2
- District map
- Older district map (1972 to 1981)
Arizona House of Representatives District 10, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon(incumbent) Democratic 8,84046.8% DemocraticJesus HigueraWon Democratic 6,95836.8% LibertarianRobert A. Stirn Libertarian 3,11316.5% - Votes for listed candidates
- 13,081
- Election day
- November 7, 1978
- Seats
- 2
- District map
- Older district map (1972 to 1981)
Arizona House of Representatives District 10, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticLarry BahillWon(incumbent) Democratic 6,06146.3% DemocraticCarmen CajeroWon(incumbent) Democratic 5,71243.7% LibertarianJerry Crouch Libertarian 7115.4% LibertarianBuck Crouch Libertarian 5974.6% - Votes for listed candidates
- 16,783
- Election day
- November 2, 1976
- Seats
- 2
- District map
- Older district map (1972 to 1981)
Arizona House of Representatives District 10, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticLarry BahillWon(incumbent) Democratic 8,55050.9% DemocraticCarmen CajeroWon(incumbent) Democratic 8,23349.1% - Votes for listed candidates
- 17,794
- Election day
- November 4, 1974
- Seats
- 2
- District map
- Older district map (1972 to 1981)
Arizona House of Representatives District 10, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticCarmen CajeroWon Democratic 7,66243.1% DemocraticLarry BahillWon(incumbent) Democratic 7,55942.5% RepublicanGeorge H. Curtis Republican 2,57314.5% - Votes for listed candidates
- 23,971
- Election day
- November 7, 1972
- Seats
- 2
- District map
- Older district map (1972 to 1981)
Arizona House of Representatives District 10, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticBernardo M. CajeroWon(incumbent) Democratic 9,59240.0% DemocraticLarry BahillWon Democratic 9,58840.0% RepublicanDan Eckstrom Republican 4,79120.0% - Votes for listed candidates
- 19,523
- Election day
- November 3, 1970
- Seats
- 2
- District map
- Older district map (1970 to 1971)
Arizona House of Representatives District 10, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticBernardo M. CajeroWon(incumbent) Democratic 9,89550.7% DemocraticE. S. WalkerWon(incumbent) Democratic 9,62849.3% - Votes for listed candidates
- 22,266
- Election day
- November 5, 1968
- Seats
- 2
- District map
- Older district map (1966 to 1969)
Arizona House of Representatives District 10, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanJohn H. HaughWon Republican 11,96653.7% RepublicanThomas N. GoodwinWon(incumbent) Republican 10,30046.3%
- 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.
2 seats.
Download and cite
Cite this page
Election Wrld. (2026). Arizona House District 10, election results 1968 to 2024. https://www.electionwrld.com/az/house/10. Retrieved October 30, 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:az/sldl:10
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026