GOTV Intel

Arizona Senate District 13

State Senate District 13

Covers part of Maricopa County.

Who Holds This Seat

J.D. Mesnard

Republican · State Senator

Holds This SeatNot running in 2026

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Running in 2026

CandidateNov 3 General
Kristie O'Brien

Democrat

Ballot
On the 2026 ballot
Last Change
Profile updated · Sep 25
Raised
Not on file
Cash on Hand
Not on file

No finance filing on record.

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CandidateNov 3 General
Julie Willoughby

Republican · State Representative (AZ-HD-13)

Ballot
On the 2026 ballot
Last Change
Profile updated · Sep 25
Raised
Not on file
Cash on Hand
Not on file

No finance filing on record.

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The District

Includes Chandler (part), Gilbert (part) and Sun Lakes.

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45 precincts · District lines: State senate lines: U.S. Census Bureau (1:500,000 cartographic boundary) · Precinct lines: Maricopa County Elections Department, Voting Precincts (2022-2025); Pima County GIS, Voter Precincts — official county layers; Census 2020 VTDs kept in the other 13 counties; U.S. Census Bureau 2020 TIGER/Line VTDs where no official layer

Results in This District

ContestFirstSecondMarginVotes
2024 President45 precinctsArizona county official canvassesOfficial canvassTrump / Vance (R)61,356 · 49.6%Harris / Walz (D)59,904 · 48.4%R+1.2123,811
2024 U.S. Senate45 precinctsArizona county official canvassesOfficial canvassRuben Gallego (D)64,020 · 52.5%Kari Lake (R)54,770 · 44.9%D+7.6121,896
2022 U.S. Senate45 precinctsArizona county official canvasses (Maricopa, Pima)Official canvassMark Kelly (D)50,666 · 53.0%Blake Masters (R)43,108 · 45.1%D+7.995,670
2022 Governor45 precinctsArizona county official canvasses (Maricopa, Pima)Official canvassKatie Hobbs (D)49,393 · 51.6%Kari Lake (R)45,684 · 47.8%D+3.995,661
2020 President37 precinctsArizona Secretary of State — results detail (precinct level)Official resultsJoseph Biden (D)66,233 · 50.8%Donald J. Trump (R)62,303 · 47.8%D+3.0130,468
2020 U.S. Senate37 precinctsArizona Secretary of State — results detail (precinct level)Official resultsMark Kelly (D)67,295 · 52.1%Martha McSally (R)61,975 · 47.9%D+4.1129,270

Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.

Past Results

State Senate District 13

2024 Arizona General Election · Nov 5, 2024
CandidateVotesShare
J.D. MesnardRepublican62,67053.1%
Sharon Lee WintersDemocrat55,28746.8%
Write-in1170.1%

Official canvass · Arizona county official canvasses

Sources (2)
  • Official canvass (county Boards of Supervisors)
  • partial state coverage — counties: Apache, Coconino, Gila, Graham, Maricopa, Pima, Pinal, Santa Cruz, Yuma, Greenlee (Greenlee County Board of Supervisors, Official Canvass 2024 General (certified 2024-11-19), precinct summary report), Cochise (Cochise County Elections, 2024 General Statement of Votes Cast - Precinct Summary Results Report (official))

State Senate District 13

2022 Arizona General Election · Nov 8, 2022
CandidateVotesShare
J.D. MesnardRepublican48,59051.7%
Cynthia "Cindy" HansDemocrat45,34048.2%
Write-in690.1%

Official canvass (county Boards of Supervisors); partial state coverage — counties: Coconino, Gila, Maricopa, Pima, Pinal · Arizona county official canvasses

State Senate District 13

2020 Arizona General Election · Nov 3, 2020
CandidateVotesShare
Sine KerrRepublican93,388100.0%
Brent BackusRepublican00.0%

Official results (Arizona Secretary of State precinct detail file, after county canvasses; state canvass 2020-11-30) · Arizona Secretary of State — results detail