Polls database
Every poll we use, with its source
11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.
Pollster: HarrisX/Harris Poll Remove ×
Matching polls
17Generic ballot polls by HarrisX/Harris Poll.
Polls per month
4
Jan 2026Oct 2026
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 24–26, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 52 · R 48 | D+4 | D+4.0 | −8.6 | Release |
| Sep 26–28, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 51 · R 49 | D+2 | D+2.0 | — | Release |
| Sep 26–28, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,200 | RV | Nonprobability Panel | D 50 · R 50 | Even | R+0.3 | — | Release |
| Aug 28–30, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | — | D 49 · R 51 | R+2 | R+2.0 | — | Release |
| Aug 28–30, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,100 | RV | — | D 51 · R 49 | D+2 | D+1.7 | — | Release |
| Jul 11–12, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | — | D 51 · R 49 | D+2 | D+2.0 | — | Release |
| Jul 11–12, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 1,776 | RV | — | D 50 · R 50 | Even | R+0.3 | — | Release |
| May 29–31, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | 1,725 | RV | Nonprobability Panel | D 51 · R 49 | D+2 | D+1.7 | — | Release |
| Apr 23–26, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 50 · R 50 | Even | Even | — | Release |
| Mar 25–26, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 52 · R 48 | D+4 | D+4.0 | — | Release |
| Mar 25–26, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,009 | RV | Nonprobability Panel | D 51 · R 49 | D+2 | D+1.7 | — | Release |
| Feb 25–26, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | — | D 50 · R 50 | Even | Even | — | Release |
| Feb 25–26, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 1,999 | RV | — | D 50 · R 50 | Even | R+0.3 | — | Release |
| Jan 28–29, 2026 | Generic ballot | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 52 · R 48 | D+4 | D+4.0 | — | Release |
| Jan 28–29, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | D 47 · R 44 | D+3 | D+3.0 | — | Release |
| Jan 28–29, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 1,000 | RV | Nonprobability Panel | D 41 · R 41 | Even | R+0.3 | — | Release |
| Jan 28–29, 2026 | Generic ballotNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 1,000 | RV | Nonprobability Panel | D 54 · R 46 | D+8 | D+7.7 | — | Release |
Showing 1–17 of 17
Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)