Primary
Primary held June 23, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Blake Gendebien ✓ | 15,186 | 64.7% | |
| Stuart Amoriell | 8,189 | 34.9% |
Republican Primary
| 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 90 days.
Candidates
General Election Polling Average
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Impact Research (D) partisan·D | 2026-05-31 | 500 LV | ±4.40 | Blake Gendebien 44.00% | Anthony Constantino 45.00% |
Questions About This Race
Who is winning the 2026 NY-21 House race?
Anthony Constantino leads Blake Gendebien 45% to 44% in the PollingSource polling average — a R+1.0 margin based on 1 poll from the last 90 days.
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 Impact Research (D) (completed May 31, 2026), found Blake Gendebien (D) at 44% and Anthony Constantino (R) at 45%.
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 90 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.
Race News
No news coverage yet for this race.