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NYC 2025 Primary DEM Council Member District 19

πŸ”— nyc2025-primary-dem-council-member-d19     (tags: { nyc , 2025 , actual , NY , NYC-2025 , NYC_NY , primary_election , RCV })

Below is the ABIF from the "nyc2025-primary-dem-council-member-d19" election (NYC 2025 Primary DEM Council Member District 19)

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Voting methods: IRV β€’ FPTP β€’ approval β€’ STAR β€’ Pairwise β€’ All methods

Results

πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19

Below are the results of the election represented above using various election methods with abiftool/abiflib. The detected ballot type from the ABIF above is "ranked". Some methods may transform these ballots for analysis; see method notices for details. Resubmit the ABIF with "Transform ballots" turned off to minimize the transformations.

Method Winner
IRV/RCV Benjamin Chou
FPTP Benjamin Chou
Approval Benjamin Chou
STAR Benjamin Chou
Condorcet/Copeland Benjamin Chou
Election results summary showing voting method winners
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tabbed view

IRV/RCV results

nyc2025-primary-dem-council-member-d19 IRV/RCV result permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/IRV#IRV

  • IRV/RCV Winner: Benjamin Chou with 7,723 votes (66.7%) in final round
  • Runner-up: Alexander J. Caruso with 3,787 votes (32.7%) in final round
  • Exhausted ballots in final round: 0 (0.0%)
  • Number of rounds: 1
  • Ballots counted in final round: 11,579 (100.0%)
  • Majority of ballots: 5,790 (50.0%)
  • Total ballots: 11,579
Round 1
Overview:
Active ballots: 11,579 (100.0%)

Exhausted ballots: 0 (0.0%)
Counted ballots: 11,579 (100.0%)
IRV/RCV winner:
Benjamin Chou: 7,723 (66.7%)βœ…
β†’
Alexander J. Caruso: 3,787 (32.7%) (πŸ›‘eliminated)
β†’
Candidate Write-in: 69 (0.6%) (πŸ›‘eliminated)
β†’

FPTP result

"FPTP" is "First-past-the-post", also known as "plurality" or "choose-one"
nyc2025-primary-dem-council-member-d19 FPTP results permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/FPTP#FPTP
πŸ“
Note β€” Only using first-choices on ranked ballots

  • FPTP Winner: Benjamin Chou with 7,723 first-place votes (66.7%)
  • Runner-up: Alexander J. Caruso with 3,787 first-place votes (32.7%)
  • Margin of victory: 3,936 votes (34.0 percentage points)
  • First-place votes
    • Benjamin Chou: 7,723 votes (66.7 %)
    • Alexander J. Caruso: 3,787 votes (32.7 %)
    • Candidate Write-in: 69 votes (0.6 %)
  • Total ballots: 11,579

Approval voting results

nyc2025-primary-dem-council-member-d19 approval voting results permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/approval#approval
πŸ“
Note β€” Approval counts estimated from 11,579 ranked ballots using favorite_viable_half method
Details

The 'favorite_viable_half' conversion algorithm: find the candidate with the most first preferences, and then determine the minimum number of figurative seats that would need to be open in order for the candidate to exceed the Hare quota with the given first-prefs. We use this to estimate how many candidates are likely to be viable candidates.

Using first-choice vote totals as a rough guide, approximately 2 candidates appear viable: Benjamin Chou and Alexander J. Caruso. The approximation then assumes each voter approves up to 1 of their top-ranked viable candidates (half of 2). All candidates ranked at or above the lowest-ranked of each ballot's top viable candidates receive approval (considering up to 1 viable candidates per ballot).

See transformed ballots

Note: For Approval, these choose_many ballots are inferred from ranked ballots.

Conversion method: favorite_viable_half

#------- metadata -------
{ballotcount: 11579}
{ballotcount_abif_metadata: "238248"}
{title: "NYC 2025 Democratic Primary - DEM Council Member District 19 (District 19)"}
{description: "Ranked-choice voting data for NYC 2025 Democratic Primary DEM Council Member District 19"}
{emptyballotcount: "226669"}
{is_ranking_to_rating: true}
#------ candlines ------
=BC255955:[Benjamin Chou]
=AJC258721:[Alexander J. Caruso]
=CANDWrite-in:[Candidate Write-in]
#------- votelines ------
4506:BC255955/1
3012:BC255955/1
2246:AJC258721/1
1402:AJC258721/1
80:BC255955/1
74:BC255955/1
46:AJC258721/1
45:AJC258721/1
16:BC255955/1
16:AJC258721/1
11:BC255955/1
10:BC255955/1
10:AJC258721/1
9:AJC258721/1
9:AJC258721/1
8:BC255955/1
6:AJC258721/1=CANDWrite-in/1
5:BC255955/1=CANDWrite-in/1
5:BC255955/1
4:AJC258721/1=CANDWrite-in/1
4:AJC258721/1
2:BC255955/1=CANDWrite-in/1
1:BC255955/1
  • Approval Winner: Benjamin Chou
  • Approval Results:
    • Benjamin Chou (BC255955) — 7,730 approvals (66.76% of ballots) (βœ… winner)
    • Alexander J. Caruso (AJC258721) — 3,797 approvals (32.79% of ballots)
    • Candidate Write-in (CANDWrite-in) — 17 approvals (0.15% of ballots)
  • Total: 11,579 ballots (11,544 total approvals)

STAR results

nyc2025-primary-dem-council-member-d19 STAR results permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/STAR#STAR
πŸ“
Note β€” STAR ratings estimated from ranked ballots using Borda scoring method
Details

The ranked ballots have been converted to STAR ratings using Borda scoring: each candidate receives points equal to (number_of_candidates - their_rank). In this election, we have 3 candidates, so the 1st choice gets 2 points, the 2nd choice gets 1 points, etc. These Borda scores are then used as STAR ratings for tabulation by STAR.

  • STAR winner: Benjamin Chou
  • Finalists: Benjamin Chou vs Alexander J. Caruso
  • Runoff result:
    • Benjamin Chou: 7,730 votes (66.8%)
    • Alexander J. Caruso: 3,797 votes (32.8%)
    • No preference: 52 voters (0.4%)
  • Total stars allocated: 27,793
  • Total ballots: 11,579
β˜…β˜…β˜…β˜…β˜…β˜…

β˜…β˜…β˜…β˜…β˜…

β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
(one star above is approximately 556 stars allocated by voters)
  • First round:
    • β˜…#0: Benjamin Chou received 16,920 stars (60.9%) from 9,197 voters (79.4%)
    • β˜…#1: Alexander J. Caruso received 10,689 stars (38.5%) from 6,902 voters (59.6%)
    • β˜…#2: Candidate Write-in received 184 stars (0.7%) from 115 voters (1.0%)
  • Finalists:
    • β˜…Benjamin Chou (βœ… winner) preferred by 7,730 of 11,579 voters
    • β˜…Alexander J. Caruso preferred by 3,797 of 11,579 voters
    • β˜…No preference between the finalists: 52

NOTE: Since ratings or stars are not present in the provided ballots, allocated stars are estimated using a Borda-like formula.

Condorcet/Copeland results

nyc2025-primary-dem-council-member-d19 Condorcet/Copeland results permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/pairwise#pairwise
  • Winner: Benjamin Chou
  • Runner-up: Alexander J. Caruso (beats all other candidates except Benjamin Chou)
  • Smallest margin: Alexander J. Caruso over Candidate Write-in (6,892-96; margin: 6,796)
  • Largest margin: Benjamin Chou over Candidate Write-in (9,190-88; margin: 9,102)
  • Pairwise ties: none
  • Total ballots: 11,579

Win-loss-tie (Condorcet/Copeland) table

nyc2025-primary-dem-council-member-d19 w-l-t table permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/pairwise#wlt
NYC 2025 Primary DEM Council Member District 19 pairwise matchups
Benjamin Chou
(2-0-0)
Benjamin Chou
2 victories ⇣
Alexander J. Caruso
(1-1-0)
Benjamin Chou: 7,730(66.8%)
Alexander J. Caruso: 3,797(32.8%)
(No preference: 52; 0.4%)
Alexander J. Caruso
⇽ 1 loss / 1 victory† ⇣
Candidate Write-in
(0-2-0)
Benjamin Chou: 9,190(79.4%)
Candidate Write-in: 88(0.8%)
(No preference: 2,301; 19.9%)
Alexander J. Caruso: 6,892(59.5%)
Candidate Write-in: 96(0.8%)
(No preference: 4,591; 39.6%)

Pairwise tournament (Copeland ordered)

nyc2025-primary-dem-council-member-d19 pairwise diagram permalink:
πŸ”—https://abif.electorama.com/id/nyc2025-primary-dem-council-member-d19/pairwise#dot

%3 BC255955 BC255955 2-0-0 (2 wins, 0 losses, 0 ties) AJC258721 AJC258721 1-1-0 BC255955->AJC258721 ← BC255955: 7730 AJC258721: 3797 CANDWrite-in CANDWrite-in 0-2-0 BC255955->CANDWrite-in ← BC255955: 9190 CANDWrite-in: 88 AJC258721->CANDWrite-in ← AJC258721: 6892 CANDWrite-in: 96

Voting methods: IRV β€’ FPTP β€’ approval β€’ STAR β€’ Pairwise β€’ All methods

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