Background

The first candidate to enter the race was New York City Council Member Helen Rosenthal, who filed to run for the position on June 16, 2018, three years before the election was due to take place.^[3] Rosenthal stated that the early campaign filing was to allow for people who wanted to support her run to donate, and that she would only begin campaigning "in a few years".^[3] Brad Lander, another City Council Member, announced his campaign in January 2019.^[4] Lander was considered to be a staunchly left-wing Democrat.^[5] Rosenthal withdrew from the race on July 10, 2020, citing poor fundraising numbers.^[6]

By October 2020 four people had emerged as likely major candidates; State senators Brian Benjamin and Kevin Parker, Lander, and state assemblyman David Weprin.^[7] Of the four, Benjamin and Lander had achieved larger fundraising hauls and more support from elected officials.^[7] Benjamin officially launched his campaign on October 16, emphasizing his experience in the State Senate and work on police reform, and also drawing attention to his experience in the finance industry.^[7] Benjamin's base of support was primarily concentrated in Upper Manhattan, and he posted strong fundraising numbers following his announcement.^[7] By this stage of the campaign Lander was considered the frontrunner by the Gotham Gazette, as his base of support among left-wing Democrats was not limited to a single borough.^[7] Parker announced his campaign on November 12, emphasizing his work on police reform in the State Senate.^[8] Parker was noted by the Gazette as having posted weak fundraising numbers in comparison to the other candidates, and he had a history of personal controversies that were considered potential hindrances to his campaign.^[8] Weprin announced his campaign on December 6, emphasizing his experience with New York City's finances as a result of his previous experience on the City Council.^[9] Weprin's base of support was localised mostly in Queens, and he campaigned as a moderate.^[9][10]

During January 2021, two additional candidates entered the race; Michelle Caruso-Cabrera, a former journalist who had unsuccessfully attempted to run for congress in 2020, and Zach Iscol, a non-profit executive who had previously been running for Mayor of New York.^[11] Both Caruso-Cabrera and Iscol portrayed themselves as moderates, with Caruso-Cabrera emphasising her experience reporting on finance as a journalist, while Iscol was noted as a close associate of the Clinton family.^[11][12] Upon his entry into the race, Iscol was criticised by Benjamin, who described him as a "privileged and failed mayoral candidate".^[11] In February 2021, Speaker of the New York City Council Corey Johnson, who had waged an abortive campaign for mayor the previous year, began to privately signal that he was interested in running for Comptroller.^[13] Johnson was held to be a formidable candidate, as the high public profile of his position as Council speaker meant that he had far higher name recognition than the other candidates, and he had also amassed a considerable financial war chest due to his brief mayoral campaign.^[13] However, Johnson had also undergone a politically damaging fight the previous year over the budget of the New York Police Department, where his attempts to bridge the gap between factions who wanted to maintain the Department's budget and those who wanted to reduce it considerably had left him unpopular with both.^[13]

On March 9, 2021, Johnson entered the race, promising to run a positive campaign in his launch announcement.^[14] Johnson's entry into the race dealt a considerable blow to Lander, as both men were felt to be on the left of the Democratic Party, but Johnson had far higher name recognition and more support from labor unions.^[15] Johnson's entry into the race also caused several elected officials who had previously been expected to endorse Lander, such as popular Bronx Congressman Ritchie Torres, to instead throw their support behind Johnson.^[15] Lander's campaign would receive a boost in early March, however, when well-known Congresswoman Alexandria Ocasio-Cortez, who was popular among progressives, endorsed him, which was viewed as helping Lander appeal to more left-wing voters.^[16]

Candidates who raised at least $125,000 from at least 500 donors qualified for matching city funds from the New York City Campaign Finance Board, on an 8-to-1 match basis.^[17] As of February 16, 2021, three candidates had qualified for matching funds: Benjamin, Iscol, and Lander.^[17] Prior to the primary, Corey Johnson was considered the frontrunner, with Lander and Caruso-Cabrera vying for second place.^[18][5]

Candidates

Major declared candidates

The following candidates (listed alphabetically) held office, were included in polls, or were the subject of significant media coverage.

More information Candidate, Experience ...

Candidate	Experience	Announced	Ref
Brian Benjamin	NY State Senator	October 15, 2020 (Website)	[7]
Michelle Caruso-Cabrera	Former CNBC reporter Candidate for NY-14 in 2020	January 28, 2021 (Website)	[19]
Zach Iscol	Entrepreneur U.S. Marines veteran	January 26, 2021 (Website)	[20]
Corey Johnson	Speaker of the NYC Council	March 9, 2021 (Website Archived March 9, 2021, at the Wayback Machine)	[21]
Brad Lander	NYC Councilmember	January 25, 2019 (Website)	[22][23]
Kevin Parker	NY State Senator	November 11, 2020 (Website Archived March 23, 2021, at the Wayback Machine)	[8]
Reshma Patel	Member of Manhattan Community Board 6	February 17, 2021 (Website)	[24]
David Weprin	State Assemblymember	November 6, 2020 (Website)	[25]

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Debates

Endorsements

Polling

Graphical summary (first-past-the-post polls)

Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org.

Among those supporting a candidate (first-past-the-post polls)

Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org.

Results

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Candidate

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Candidate

Results