DemoChoice Web Poll: 2019 San Francisco Board of Supervisors, District 5

1 candidate will be elected with 23,675 ballots cast.


Round 1

Legend
Candidate Votes Status
Dean Preston  Chart color  11,239  (47.5%)   
Vallie Brown  Chart color  11,208  (47.3%)   
Ryan Lam  Chart color  950  (4.0%)   
Nomvula O'Meara  Chart color  278  (1.2%)  Defeated
Pie chart

In the first round, the first choices on each ballot are tallied.
No candidate has the number of votes needed to guarantee victory (50%), so the last-place candidate (Nomvula O'Meara) is eliminated. Ballots for that candidate are counted toward their next highest ranking.

Go to the next round.
















 

DemoChoice Web Poll: 2019 San Francisco Board of Supervisors, District 5

1 candidate will be elected with 23,675 ballots cast.


Round 2

Legend
Candidate Votes Status
Dean Preston  Chart color  11,309  (47.9%)   
Vallie Brown  Chart color  11,259  (47.7%)   
Ryan Lam  Chart color  1,035  (4.4%)  Defeated
Pie chart

No candidate has the number of votes needed to guarantee victory (50%), so the last-place candidate (Ryan Lam) is eliminated. Ballots for that candidate are counted toward their next highest ranking.

Go to the next round.
















 

DemoChoice Web Poll: 2019 San Francisco Board of Supervisors, District 5

1 candidate will be elected with 23,675 ballots cast.


Round 3

Legend
Candidate Votes Status
Dean Preston  Chart color  11,723  (50.4%)  Elected
Vallie Brown  Chart color  11,538  (49.6%)  Defeated
Pie chart

Dean Preston has enough votes to guarantee victory (50%) and is declared a winner.

In the end, 49.5% of all cast ballots counted toward a winner. This compares to 47.5% if only the first-round votes were used.

Also, view the Ballot Depth info to see how much lower rankings contributed to the tally.

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DemoChoice Web Poll: 2019 San Francisco Board of Supervisors, District 5

1 candidate will be elected with 23,675 ballots cast.


Ballot Depth

This shows how much the lower rankings on ballots contributed to the winning candidate.

Rank Fraction of votes for winner
1st    95.9% 
2nd    3.0% 
3rd    1.2% 
Pie chart