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 ×
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Polls per month
8
Feb 2025Jan 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 34 · Newsom 20 | +14 | — | — | Release |
| Oct 24–26, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 40 · Jr. 21 | +19 | — | — | Release |
| Oct 24–26, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,700 | RV | Nonprobability Panel | 39 / 59 | −20 | — | — | Release |
| Oct 24–26, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | 41 / 58 | −17 | — | — | Release |
| 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 38 · Newsom 17 | +21 | — | — | Release |
| Sep 26–28, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 39 · Jr. 24 | +15 | — | — | Release |
| Sep 26–28, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | 43 / 55 | −12 | — | — | Release |
| Sep 26–28, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,200 | RV | Nonprobability Panel | 42 / 55 | −13 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Harris 42 · Newsom 18 | +24 | — | — | Release |
| Aug 28–30, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Vance 44 · Rubio 21 | +23 | — | — | Release |
| Aug 28–30, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,100 | RV | — | 44 / 52 | −8 | — | — | Release |
| Aug 28–30, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | — | 48 / 51 | −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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Harris 37 · Newsom 24 | +13 | — | — | Release |
| Jul 11–12, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Vance 42 · Rubio 22 | +20 | — | — | Release |
| Jul 11–12, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | 1,776 | RV | — | 42 / 54 | −12 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 44 · Newsom 26 | +18 | — | — | Release |
| May 29–31, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 45 · Jr. 21 | +24 | — | — | Release |
| May 29–31, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | 1,725 | RV | Nonprobability Panel | 43 / 53 | −10 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 50 · Newsom 22 | +28 | — | — | Release |
| Apr 23–26, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 48 · Jr. 18 | +30 | — | — | Release |
| Apr 23–26, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | 46 / 51 | −5 | — | — | Release |
| Apr 23–26, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,745 | RV | Nonprobability Panel | 42 / 53 | −11 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 41 · Newsom 26 | +15 | — | — | Release |
| Mar 25–26, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 42 · Jr. 20 | +22 | — | — | Release |
| Mar 25–26, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | 2,009 | RV | Nonprobability Panel | 43 / 53 | −10 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Harris 39 · Newsom 24 | +15 | — | — | Release |
| Feb 25–26, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | — | Vance 43 · Jr. 27 | +16 | — | — | Release |
| Feb 25–26, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | — | 50 / 47 | +3 | — | — | Release |
| Feb 25–26, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 1,999 | RV | — | 46 / 49 | −3 | — | — | 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 | 2028 Democratic primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Harris 39 · Newsom 30 | +9 | — | — | Release |
| Jan 28–29, 2026 | 2028 Republican primary | D HarrisX/Harris Poll | Harvard CAPS | — | RV | Nonprobability Panel | Vance 53 · Jr. 21 | +32 | — | — | Release |
| Jan 28–29, 2026 | Presidential approvalNot averaged | D HarrisX/Harris Poll | Harvard CAPS | 2,000 | RV | Nonprobability Panel | 45 / 51 | −6 | — | — | Release |
| Jan 28–29, 2026 | Presidential approval | D HarrisX/Harris Poll | Harvard CAPS | — | LV | Nonprobability Panel | 48 / 51 | −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 1–50 of 60
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)