ranked.vote // San Francisco Board of Supervisors, District 5

The San Francisco Consolidated General Election was held on November 3, 2020. Dean Preston was the winner out of 4 candidatesafter 1 elimination round.

Dean Preston was also the Condorcet winner.

Dean PrestonVallie BrownDaniel LandryEliminated in round 1Nomvula O'MearaEliminated 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 2Dean PrestonVallie BrownDaniel LandryNomvula O'MearaExhaustedDean PrestonVallie BrownExhausted

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
Vallie Brown
Daniel Landry
Dean Preston
Nomvula O'Meara
Vallie Brown66.5%44.8%73.2%
Daniel Landry33.5%23.8%63.2%
Dean Preston55.2%76.2%84.6%
Nomvula O'Meara26.8%36.8%15.4%

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
Vallie Brown
Daniel Landry
Dean Preston
Nomvula O'Meara
Exhausted
Vallie Brown29.5%37.9%7.5%25.2%
Daniel Landry40.6%27.3%22.4%9.7%
Dean Preston34.7%18%29%18.3%
Nomvula O'Meara26.5%41%26.9%5.7%

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
All Candidates
(41,764 voters)
20.2%12.5%17.5%49.7%
Dean Preston
(21,484 voters)
18.3%11.8%23.2%46.8%
Vallie Brown
(16,777 voters)
25.2%14.3%11.0%49.6%
Daniel Landry
(2,390 voters)
9.7%8.7%15.1%66.5%
Nomvula O'Meara
(1,113 voters)
5.7%7.3%14.0%73.0%

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
Vallie Brown
Dean Preston
Exhausted
Daniel Landry51.2%36.9%11.9%
Nomvula O'Meara46.7%43.8%9.5%

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