ranked.vote: San Francisco / Board of Supervisors, District 5 / 2019

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

The San Francisco Consolidated Municipal Election was held on November 5, 2019. Dean Preston was the winner out of 4 candidatesafter 1 elimination round.

Dean Preston was also the Condorcet winner.

Dean PrestonVallie BrownRyan LamEliminated 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 BrownRyan LamNomvula 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
Dean Preston
Vallie Brown
Ryan Lam
Nomvula O'Meara
Dean Preston 50.5% 85.8% 90.4%
Vallie Brown 49.5% 82.4% 86%
Ryan Lam 14.2% 17.6% 67.4%
Nomvula O'Meara 9.6% 14% 32.6%

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
Dean Preston
Vallie Brown
Ryan Lam
Nomvula O'Meara
Exhausted
Dean Preston 30.8% 13.4% 8% 47.8%
Vallie Brown 33.5% 9.8% 6.1% 50.6%
Ryan Lam 28.7% 23% 16.6% 31.7%
Nomvula O'Meara 25.2% 18.7% 30.6% 25.5%

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
Dean Preston
Vallie Brown
Exhausted
Ryan Lam 37.7% 27.1% 35.2%
Nomvula O'Meara 43.9% 25.9% 30.2%

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