Ranked-Choice Voting in San Francisco


Since 2004, San Francisco has used an instant runoff process to elect its mayor, board of supervisors, and other officers. This way, voters rank their choices on one ballot, rather than vote for one candidate in one election and then another in a separate runoff election. Here, you can see past results and try Ranked Choice practice polls.

Rank the candidates you support, in order of preference.
Candidate1st choice2nd choice3rd choice
Lou O O X
Bob X O O
Kim O X O

Your vote will count for your highest-ranked candidate,
but some candidates may be eliminated.



right arrow
Your vote counts for Bob, your first choice. Nobody has a majority mandate from voters.
 
---------------- 50%
Kim 
KKKKKKKKKKKKKK __ :
Lou 
LLLLLLLLLL ______ :
Bob 
PPPPPPPP ________ :
So we eliminate Bob, and recount.


right arrow
Kim gets enough of Bob's second choices to get a majority.
 
---------------- 50%
Kim 
KKKKKKKKKKKKKK PP : PP
Lou 
LLLLLLLLLL PPPPP ___ :

In this count, because Bob was eliminated, your vote counted for Kim, your second choice.


Try practice polls for the competitive 2022 San Francisco RCV contests!

There are two contests on the November 2022 ballot that could go to multiple rounds. Try voting in practice polls here to learn about the candidates and how ranked-choice voting works.

  Vote Results
2022 Board of Supervisors, District 6 grid ballot Results: Bar charts Results: Pie charts
2022 District Attorney grid ballot Results: Bar charts Results: Pie charts

In the preliminary results, Matt Dorsey won District 6 in the first round, and Brooke Jenkins won the District Attorney contest in Round 3 after leading in the first two rounds. Detailed results will be posted here soon.


Past results

Click on a Board of Supervisors district to see its most recent multi-round election.
District map District 1 District 2 District 2 District 3 District 4 District 5 District 6 District 6 District 10 District 11 District 9 District 8 District 7 Region not in a district

This map applies to contests from 2004-2011. A new map (PDF) has slightly different boundaries.
Multi-round RCV elections Results Stats
2022 District Attorney (Preliminary) Results: Bar charts Results: Pie charts Exhausted ballot statistics
2020 Board of Supervisors, District 1 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2020 Board of Supervisors, District 7* ** Results: Bar charts Results: Pie charts Exhausted ballot statistics
2020 Board of Supervisors, District 11 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2019 Board of Supervisors, District 5 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2019 District Attorney Results: Bar charts Results: Pie charts Exhausted ballot statistics
2018 Board of Supervisors, District 2 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2018 Board of Supervisors, District 4 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2018 Board of Supervisors, District 10 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2018 Mayor Results: Bar charts Results: Pie charts Exhausted ballot statistics
2016 Board of Supervisors, District 1 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2016 Board of Supervisors, District 7 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2016 Board of Supervisors, District 11 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2014 Board of Supervisors, District 10 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2012 Board of Supervisors, District 5 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2012 Board of Supervisors, District 7 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2011 Mayor Results: Bar charts Results: Pie charts Exhausted ballot statistics
2011 Sheriff* Results: Bar charts Results: Pie charts Exhausted ballot statistics
2011 District Attorney Results: Bar charts Results: Pie charts Exhausted ballot statistics
2010 Board of Supervisors, District 2** Results: Bar charts Results: Pie charts Exhausted ballot statistics
2010 Board of Supervisors, District 6 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2010 Board of Supervisors, District 8 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2010 Board of Supervisors, District 10* ** Results: Bar charts Results: Pie charts Exhausted ballot statistics
2008 Board of Supervisors, District 1 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2008 Board of Supervisors, District 3 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2008 Board of Supervisors, District 9 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2008 Board of Supervisors, District 11 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2006 Board of Supervisors, District 4 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2006 Board of Supervisors, District 6 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2005 Assessor-Recorder Results: Bar charts Results: Pie charts Exhausted ballot statistics
2004 Board of Supervisors, District 1 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2004 Board of Supervisors, District 5 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2004 Board of Supervisors, District 7 Results: Bar charts Results: Pie charts Exhausted ballot statistics
2004 Board of Supervisors, District 11 Results: Bar charts Results: Pie charts Exhausted ballot statistics

See also the East Bay results.

This page shows results of multi-round ranked-choice elections in San Francisco since 2004. The total number of votes countable in at least the first round of the 33 multi-round elections shown here from 2004 to 2020 is 1,957,741. The results released by the Elections Department separate out all "overvotes" (more than one vote in the same column), whereas the DemoChoice software treats second- or third-choice overvotes as votes for "none of these". Ballots with no rankings or with first-choice overvotes do not appear in the DemoChoice results.

Improvements to the city's vote-counting software and released ballot data have provided greater transparency regarding how some strange cases are treated, such as ballots giving one listed candidate and an unqualified write-in the same ranking. Should this be an overvote, so that and lower rankings are uncountable? As of 2020, these cases were not overvotes. However, if a ballot gives a high ranking to a candidate eliminated in an early round, and then gives that candidate plus another candidate the same lower ranking, sorry, it's still an overvote. Should it be? The practical answer will likely depend on interpretations of wording in election laws drafted by people who did not consider these situations.

** indicates contests where the winner overcame the leading first-round candidate in later rounds.
* indicates contests where a candidate who was not one of the top two in the first round was in the top two in the final round.