ranked.vote // San Francisco Board of Supervisors, District 7

The San Francisco Consolidated General Election was held on November 3, 2020. Myrna Melgar was the winner out of 7 candidates after 4 elimination rounds.

Myrna Melgar was also the Condorcet winner.

Myrna MelgarJoel EngardioVilaska NguyenEliminated in round 4Stephen W. Martin-PintoEliminated in round 3Emily MuraseEliminated in round 2Ben MatrangaEliminated in round 1Ken PiperEliminated in round 1

Runoff Rounds

This Sankey diagram shows the votes of each remaining candidate at each round, as well as the breakdown of votes transferred when each candidate was eliminated.

Note that the tabulation (but not the winner) may differ from the official count. You can read more about why this is.

Round 1Round 2Round 3Round 4Round 5Joel EngardioVilaska NguyenMyrna MelgarEmily MuraseStephen W. Martin-PintoBen MatrangaKen PiperExhausted21.4%19%18.1%11.4%10.6%7.9%9.4%23.9%20.1%20%12.9%12.7%10.4%26.6%24.5%22.6%14.2%12.2%32.5%26.8%25%15.7%42.7%37.7%19.6%Myrna MelgarJoel EngardioExhausted

Pairwise Preferences

For every pair of candidates, this table shows the fraction of voters who preferred one to the other. A preference means that either a voter ranks a candidate ahead of the other, or ranks one candidate but does not list the other. Ballots which rank neither candidate are not counted towards the percent counts.

Less-preferred Candidate
Preferred Candidate
Myrna Melgar
Joel Engardio
Vilaska Nguyen
Stephen W. Martin-Pinto
Emily Murase
Ben Matranga
Ken Piper
Myrna Melgar53.1%54.4%65.2%62.9%62.9%78.4%
Joel Engardio46.9%52.3%66.8%58%62.8%77.8%
Vilaska Nguyen45.6%47.7%62.1%53.3%56.8%74%
Stephen W. Martin-Pinto34.8%33.2%37.9%40.8%42%64%
Emily Murase37.1%42%46.7%59.2%54.3%74.2%
Ben Matranga37.1%37.2%43.2%58%45.7%71.5%
Ken Piper21.6%22.2%26%36%25.8%28.5%

First Alternate

For every pair of candidates, this table shows the fraction of voters who ranked one candidate first ranked the other candidate second.

Second Choice
First Choice
Myrna Melgar
Joel Engardio
Vilaska Nguyen
Stephen W. Martin-Pinto
Emily Murase
Ben Matranga
Ken Piper
Exhausted
Myrna Melgar19.4%34%3.2%23.2%9.8%2.3%8.1%
Joel Engardio19.8%11.5%15.2%15.2%19.8%6%12.4%
Vilaska Nguyen58.5%9.6%4.9%9.9%5.5%2.9%8.8%
Stephen W. Martin-Pinto6.8%27.2%8.4%8.3%19.4%11.9%18%
Emily Murase31.7%17.6%16.8%7.4%11.5%3.3%11.7%
Ben Matranga17.7%26.7%8.3%19.2%13.5%5.3%9.2%
Ken Piper11.8%15.6%14.6%23.8%7.9%17.2%9.1%

Ranking Distribution

This shows how many candidates voters ranked, both overall and broken down by each candidate's first-choice supporters. This reveals whether some candidates attracted voters who ranked multiple candidates versus those who ranked fewer candidates.

Number of Candidates Ranked
Candidate
1
2
3
4
5
6
7
All Candidates
(39,332 voters)
11.0%19.3%20.1%7.5%2.7%5.2%34.2%
Joel Engardio
(9,272 voters)
12.4%12.9%25.1%9.9%3.3%5.3%31.2%
Vilaska Nguyen
(8,263 voters)
8.8%36.9%14.4%5.4%1.8%4.5%28.3%
Myrna Melgar
(7,881 voters)
8.1%22.8%18.7%7.6%3.1%4.5%35.3%
Emily Murase
(4,934 voters)
11.7%10.3%18.5%6.2%2.5%4.6%46.1%
Stephen W. Martin-Pinto
(4,599 voters)
18.0%12.2%22.5%6.8%2.5%6.2%31.7%
Ben Matranga
(3,414 voters)
9.2%11.1%24.8%9.4%3.7%5.7%36.2%
Ken Piper
(969 voters)
9.1%10.3%13.7%5.7%2.5%11.4%47.4%

Final Vote by First Choice

This table tracks which candidate ballots were ultimately allocated to, among ballots that ranked an eliminated candidate first.

Final Round Choice
First Round Choice
Myrna Melgar
Joel Engardio
Exhausted
Vilaska Nguyen69.2%16.8%13.9%
Stephen W. Martin-Pinto20%49.5%30.5%
Emily Murase50.2%30.8%19%
Ben Matranga34.2%45.9%19.9%
Ken Piper41%35.2%23.8%

This report was generated by ranked.vote and may be reproduced under CC-BY. Learn more about ranked.vote.

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