| Poll source | Date(s)administered | Samplesize | Marginof error | Eric Adams | Shaun Donovan | Kathryn Garcia | Raymond McGuire | Dianne Morales | Scott Stringer | Maya Wiley | Andrew Yang | Others | Undecided |
| Data for Progress (D) | Jun 18–20, 2021 | 1,354 (LV) | ± 3.0% | 26% | 3% | 18% | 3% | 2% | 5% | 21% | 12% | 2% | 6% |
| Citizen Data | Jun 14–17, 2021 | 800 (LV) | ± 3.5% | 32% | 5% | 18% | 3% | 6% | 6% | 18% | 11% | 2% | – |
| Ipsos | Jun 10–17, 2021 | 702 (LV) | ± 5.7% | 27% | 4% | 12% | 5% | 2% | 9% | 12% | 20% | <1% | 7% |
| Emerson College | Jun 15–16, 2021 | 664 (LV) | ± 3.7% | 23% | 2% | 17% | 3% | 2% | 9% | 18% | 14% | 1% Chang: 1%Foldenauer: 0%Prince: 0%Taylor: 0%Wright: 0% | 10% |
| McLaughlin & Associates (R) | Jun 10–15, 2021 | 1,000 (LV) | ± 3.1% | 21% | 3% | 16% | 2% | 3% | 7% | 17% | 10% | 1% | 21% |
| Change Research (D) | Jun 11–14, 2021 | 822 (LV) | ± 3.4% | 23% | 4% | 19% | 3% | 1% | 8% | 19% | 12% | 0% Chang: 0%Foldenauer: 0%Prince: 0%Taylor: 0%Wright: 0% | 10% |
| Schoen Cooperman Research (D) | Jun 10–13, 2021 | 1,000 (LV) | ± 3.1% | 22% | 6% | 14% | 4% | 4% | 9% | 16% | 18% | 0% | 7% |
| Public Opinion Strategies (R) | Jun 9–13, 2021 | 500 (LV) | ± 4.4% | 21% | 4% | 20% | 2% | 2% | 8% | 18% | 13% | 2% Chang: 1%Taylor: 1%Prince: <1%Foldenauer: 0%Wright: 0% | 9% |
| Data for Progress (D) | Jun 7–13, 2021 | 998 (LV) | ± 3.0% | 26% | 2% | 14% | 4% | 3% | 8% | 20% | 16% | 3% | 4% |
| Honan Strategy Group (D) | May 26 – Jun 10, 2021 | 950 (LV) | ± 3.2% | 31% | 9% | 15% | 1% | 1% | 6% | 7% | 21% | – | 9% |
| Marist College | Jun 3–9, 2021 | 876 (LV) | ± 3.8% | 24% | 3% | 17% | 3% | 3% | 7% | 15% | 13% | 2% Chang: 1%Prince: 1%Foldenauer: <1%Taylor: <1%Wright: <1% | 13% |
| Emerson College | Jun 7–8, 2021 | 725 (LV) | ± 3.6% | 23% | 4% | 12% | 3% | 2% | 9% | 17% | 15% | 4% Taylor: 2%Chang: 1%Prince: 1%Foldenauer: 0%Wright: 0% | 12% |
| Slingshot Strategies (D) | Jun 1–6, 2021 | 1,191 (LV) | ± 2.8% | 17% | 3% | 14% | 4% | 7% | 12% | 8% | 16% | 7% Foldenauer: 4%Chang: 1%Prince: 1%Wright: 1%Taylor: 0%"Other": 0% | 12% |
| Media Predict | May 27 – Jun 6, 2021 | 501 (RV) | ± 6.0% | 20% | 4% | 15% | 1% | 5% | 8% | 7% | 19% | – | 20% |
| Ipsos | May 17–31, 2021 | 906 (LV) | ± 4.5% | 22% | 3% | 15% | 4% | 5% | 10% | 9% | 16% | <1% | 16% |
| Emerson College | May 23–24, 2021 | 570 (LV) | ± 4.1% | 20% | 5% | 21% | 2% | 7% | 10% | 9% | 16% | 2% Foldenauer: 1%Prince: 1%Chang: 0%Taylor: 0%Wright: 0% | 9% |
| Slingshot Strategies (D) | May 17–20, 2021 | 749 (LV) | ± 3.6% | 16% | 4% | 10% | 5% | 7% | 13% | 8% | 19% | 7% Foldenauer: 4%Chang: 2%Prince: 1%Taylor: 0%Wright: 0%"Other": 0% | 13% |
| Core Decision Analytics | May 15–19, 2021 | 800 (LV) | ± 3.5% | 18% | 4% | 11% | 4% | 9% | 7% | 9% | 13% | 1% | 26% |
| Public Opinion Strategies (R) | May 14–17, 2021 | 500 (LV) | ± 4.4% | 18% | 4% | 11% | 6% | 6% | 8% | 10% | 19% | 2% Prince: 1%Wright: 1%Chang: 0%Foldenauer: 0%Taylor: 0% | 14% |
| Emerson College | May 13–15, 2021 | 631 (LV) | ± 3.8% | 18% | 5% | 8% | 4% | 6% | 15% | 4% | 15% | 3% Chang: 2%Taylor: 1%Foldenauer: 0%Prince: 0%Wright: 0% | 23% |
| Change Research (D) | May 11–12, 2021 | 418 (LV) | ± 4.8% | 21% | 6% | 11% | 6% | 5% | 8% | 6% | 18% | 2% "Would not vote": 1%Wright: 1%Chang: 0%Prince: 0%Taylor: 0% | 18% |
| Change Research (D) | May 6–12, 2021 | 1,422 (LV) | ± 2.6% | 19% | 7% | 7% | 7% | 5% | 9% | 7% | 16% | 2% "Would not vote": 1%Wright: 1%Chang: 0%Prince: 0%Taylor: 0% | 20% |
| Schoen Cooperman Research (D) | May 4–9, 2021 | 1,003 (LV) | ± 3.1% | 17% | 6% | 8% | 6% | 4% | 10% | 10% | 21% | 1% | 17% |
| Slingshot Strategies (D) | Apr 20–27 andMay 3–6, 2021 | 1,393 (LV) | ± 2.6% | 11% | 6% | 5% | 10% | 6% | 15% | 7% | 21% | 6% Foldenauer: 3%Chang: 1%Wright: 1%"Other": 1%Prince: 0% | 13% |
| 275 (LV) | ± 5.9% | 12% | 10% | 5% | 9% | 4% | – | 8% | 27% | 9% "Other": 4%Foldenauer: 3%Chang: 1%Prince: 1%Wright: 0% | 15% |
| Honan Strategy Group (D) | Apr 24 – May 2, 2021 | 1,100 (LV) | ± 3.0% | 22% | 0% | 1% | 2% | 12% | 13% | 3% | 20% | 1% | 25% |
| Mercury Public Affairs (D) | Apr 26 – May 1, 2021 | 600 (LV) | ± 4.0% | 14% | 6% | 4% | 6% | 3% | 14% | 6% | 21% | – | 26% |
| GQR Research (D) | Apr 27–29, 2021 | 500 (LV) | ± 4.4% | 21% | 8% | 6% | 6% | 6% | 15% | 7% | 18% | 1% | 11% |
| Slingshot Strategies (D) | Apr 20–27, 2021 | 824 (LV) | ± 3.4% | 11% | 6% | 3% | 9% | 5% | 16% | 6% | 24% | 5% Foldenauer: 3%Chang: 1%"Other": 1%Prince: 0%Wright: 0% | 14% |
| Benenson Strategy Group (D) | Apr 16–21, 2021 | 1,558 (LV) | ± 2.5% | 17% | 7% | 5% | 8% | 7% | 11% | 8% | 22% | 1% | 14% |
| Ipsos | Apr 1–15, 2021 | 1,000 (LV) | ± 4.7% | 13% | 6% | 4% | 6% | 5% | 11% | 7% | 22% | <1% | 26% |
| Data for Progress (D) | Mar 21 – Apr 5, 2021 | 1,007 (LV) | ± 3.0% | 13% | 7% | 4% | 6% | 3% | 11% | 10% | 26% | 5% "A different candidate": 4%Menchaca: 1% | 14% |
| Core Decision Analytics | Mar 15–18, 2021 | 800 (LV) | ± 3.5% | 10% | 2% | 2% | 4% | 2% | 5% | 6% | 16% | 1% | 50% |
| Slingshot Strategies (D) | Mar 12–18, 2021 | 1,000 (LV) | ± 3.1% | 15% | 4% | 6% | 5% | 3% | 12% | 7% | 25% | 3% Menchaca: 2%"Other": 1% | 20% |
| Emerson College | Mar 4–6, 2021 | 644 (LV) | ± 3.8% | 19% | 4% | 5% | 3% | 4% | 6% | 9% | 32% | 2% Chang: 1%Menchaca: 1%Foldenauer: 0%Kavovit: 0%Sutton: 0%Taylor: 0% | 17% |
| Media Predict | Feb 12–25, 2021 | 894 (RV) | ± 3.3% | 11% | 2% | 4% | 2% | 3% | 9% | 6% | 27% | 2% Menchaca: 2% | 34% |
| Core Decision Analytics | Jan 20–25, 2021 | 842 (LV) | ± 3.4% | 17% | 8% | 2% | 2% | 2% | 13% | 8% | 28% | 1% Iscol: 1% | 19% |
| Slingshot Strategies (D) | Jan 15–19, 2021 | 1,000 (LV) | ± 3.1% | 17% | 1% | 1% | 1% | 1% | 12% | 8% | 25% | 1% "Other": 1%Iscol: <1%Menchaca: <1%Sutton: <1% | 32% |
| Public Policy Polling (D) | Dec 16–17, 2020 | 755 (LV) | ± 3.6% | 16% | – | – | 4% | 5% | 5% | 7% | 17% | 6% Quinn: 6% | 40% |
| Slingshot Strategies (D) | Nov 30 – Dec 6, 2020 | 1,000 (LV) | ± 3.1% | 14% | 2% | 3% | 2% | 2% | 11% | 7% | 20% | 17% Quinn: 7%Rose: 6%Menchaca: 2%Iscol: 1%Sutton: 1%"Other": 0% | 20% |
| Data for Progress (D) | Jan 13–19, 2020 | 366 (LV) | ± 5.1% | 9% | – | – | – | 2% | 5% | – | – | 38% Johnson: 10%Díaz Jr.: 8%Liu: 7%Quinn: 6%Brewer: 2%Mark-Viverto: 2%Taylor: 2%Foldenauer: 1%Sutton: 0% | 46% |