Primary
Democratic Primary
Held June 23, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Blake Gendebien ✓ | 15,186 | 64.7% | |
| Stuart Amoriell | 8,189 | 34.9% |
Republican Primary
Held June 23, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Anthony Constantino ✓ | 26,565 | 59.3% | |
| Robert Smullen | 18,028 | 40.2% |
Full calendar and every race: New York primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 30 days.
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Candidates
Anthony Thomas Constantino Nominee
RepublicanGeneral Election Polling Average
Average reflects all polls from the last 30 days; table shows the most recent 30 days or the newest 3 polls, whichever is more — subscribe for the full history. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| J.L. Partners partisan·R | 2026-08-17 | 500 LV | ±4.40 | Blake Gendebien 40.00% | Anthony Constantino 50.00% |
| SurveyUSA | 2026-08-13 | 612 LV | Blake Gendebien 43.00% | Anthony Constantino 39.00% | |
| SurveyUSA | 2026-08-08 | 612 LV | ±4.10 | Blake Gendebien 43.00% | Anthony Constantino 39.00% |
Questions About This Race
Who is winning the 2026 NY-21 House race?
Polling so far tested a matchup that is no longer live: Anthony Constantino is not the Republican nominee — Anthony Thomas Constantino is. In that earlier polling, Anthony Constantino led Blake Gendebien 42.7% to 42%. The PollingSource average resets once the final matchup is polled.
Is the 2026 NY-21 House race competitive?
Yes — the PollingSource polling average rates this race a Toss-up, the most competitive category.
What does the latest poll of the 2026 NY-21 House race say?
The most recent public poll, from J.L. Partners (completed August 17, 2026), found Blake Gendebien (D) at 40% and Anthony Constantino (R) at 50%.
When is the 2026 NY-21 House race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 30 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
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