Poll source |
Date(s) administered |
Sample size |
Joe Biden |
Robert F. Kennedy Jr. (withdrawn) |
Dean Phillips |
Marianne Williamson |
Other |
Undecided |
Margin |
|
March 12, 2024 |
Georgia, Mississippi, the Northern Mariana Islands, Washington, and abroad primaries held. President Joe Biden secures a majority of pledged delegates and becomes the presumptive Democratic nominee. |
|
March 6, 2024 |
Dean Phillips suspends his campaign. Hawaii caucus held. |
Emerson College[5] |
March 5–6, 2024 |
540 (LV) |
77.4% |
– |
3.8% |
3.4% |
– |
15.4% |
Biden +73.6% |
|
March 5, 2024 |
Super Tuesday held. |
TIPP/Issues & Insights[6] |
February 28 – March 1, 2024 |
603 (RV) |
76% |
– |
9% |
– |
3% |
12% |
Biden +67% |
New York Times/Siena College[7] |
February 25–28, 2024 |
224 (RV) |
79% |
– |
10% |
0% |
1% |
10% |
Biden +69% |
|
February 28, 2024 |
Marianne Williamson relaunches her campaign. |
HarrisX/Forbes[8] |
February 24–28, 2024 |
1,076 (RV) |
74% |
– |
7% |
– |
10% |
8% |
Biden +67% |
|
February 27, 2024 |
Michigan primary held. |
HarrisX[9] |
February 20–23, 2024 |
1,070 (RV) |
72% |
– |
7% |
– |
12% |
8% |
Biden +65% |
Quinnipiac[10] |
February 15–19, 2024 |
624 (RV) |
80% |
– |
15% |
– |
2% |
4% |
Biden +65% |
Marquette University Law School[11] |
February 5–15, 2024 |
356 (RV) |
66% |
– |
2% |
6% |
– |
27% |
Biden +60% |
Emerson College[12] |
February 13–14, 2024 |
489 (LV) |
74.3% |
– |
8.7% |
– |
– |
17.1% |
Biden +66% |
Echelon Insights[13] |
February 12–14, 2024 |
484 (LV) |
78% |
– |
8% |
– |
2% |
12% |
Biden +70% |
|
February 7, 2024 |
Marianne Williamson suspends her campaign. |
|
February 6, 2024 |
Nevada primary held. |
|
February 3, 2024 |
South Carolina primary held. |
TIPP/Issues & Insights[14] |
January 31 – February 2, 2024 |
542 (RV) |
70% |
– |
3% |
5% |
4% |
17% |
Biden +65% |
McLaughlin & Associates[15] |
January 25–31, 2024 |
425 (LV) |
67% |
– |
2% |
9% |
– |
23% |
Biden +58% |
Emerson College[16] |
January 26–29, 2024 |
472 (LV) |
72.3% |
– |
4.4% |
4.2% |
– |
19.1% |
Biden +67.9% |
YouGov/Yahoo News[17] |
January 25–29, 2024 |
475 (RV) |
74% |
– |
3% |
4% |
2% |
18% |
Biden +70% |
Quinnipiac University[18] |
January 25–29, 2024 |
693 (RV) |
78% |
– |
6% |
11% |
– |
– |
Biden +67% |
|
January 23, 2024 |
New Hampshire primary held. |
HarrisX/The Messenger[19] |
January 17–21, 2024 |
– |
66% |
– |
5% |
6% |
10% |
14% |
Biden +60% |
Echelon Insights[20] |
January 16–18, 2024 |
499 (LV) |
69% |
– |
3% |
3% |
7% |
17% |
Biden +66% |
Redfield & Wilton Strategies[21] |
January 18, 2024 |
546 (LV) |
77% |
– |
3% |
2% |
6% |
12% |
Biden +74% |
HarrisX/The Messenger[22] |
January 16–17, 2024 |
350 (RV) |
69% |
– |
4% |
9% |
8% |
11% |
Biden +60% |
Issues & Insights/TIPP[23] |
January 3–5, 2024 |
597 (LV) |
69% |
– |
4% |
5% |
– |
– |
Biden +64% |
USA Today/Suffolk[24] |
December 26–29, 2023 |
278 (LV) |
73.74% |
– |
2.16% |
8.99% |
– |
14.75% |
Biden +64.75% |
Morning Consult[25] |
December 22–24, 2023 |
800 (RV) |
81% |
– |
1% |
2% |
– |
16% |
Biden +79% |
McLaughlin & Associates[26] |
December 13–19, 2023 |
446 (LV) |
69% |
– |
5% |
6% |
– |
20% |
Biden +63% |
Quinnipiac University[27] |
December 14–18, 2023 |
683 (RV) |
75% |
– |
5% |
13% |
1% |
5% |
Biden +62% |
YouGov/Yahoo News[28] |
December 14–18, 2023 |
458 (RV) |
68% |
– |
3% |
4% |
– |
22% |
Biden +64% |
Echelon Insights[29] |
December 12–16, 2023 |
449 (LV) |
65% |
– |
2% |
8% |
8% |
17% |
Biden +57% |
Monmouth University/Washington Post[30] |
December 7–11, 2023 |
460 (LV) |
79% |
– |
5% |
9% |
2%[b] |
6% |
Biden +70% |
Emerson College[31] |
December 4–6, 2023 |
402 (RV) |
63.3% |
– |
2.3% |
4.8% |
– |
29.6% |
Biden +58.5% |
Big Village[32] |
November 27 – December 3, 2023 |
1,012 (LV) |
70.4% |
– |
7.6% |
12.9% |
9.1% |
– |
Biden +57.5% |
TIPP/Issues & Insights[33] |
November 29 – December 1, 2023 |
– |
61% |
– |
3% |
5% |
4% |
26% |
Biden +56% |
Harris X/The Messenger[34] |
November 22–28, 2023 |
1,399 (RV) |
65% |
– |
4% |
8% |
11% |
13% |
Biden +57% |
Emerson College[35] |
November 17–20, 2023 |
599 (LV) |
65.8% |
– |
2.0% |
4.8% |
– |
27.4% |
Biden +61.0% |
McLaughlin & Associates[36] |
November 16–20, 2023 |
440 (LV) |
66% |
– |
3% |
9% |
– |
22% |
Biden +57% |
Harris X/The Messenger[37] |
November 15–19, 2023 |
1,066 (RV) |
65% |
– |
4% |
5% |
11% |
15% |
Biden +60% |
Echelon Insights[38] |
November 14–17, 2023 |
482 (LV) |
67% |
– |
5% |
6% |
4% |
18% |
Biden +61% |
NBC News[39] |
November 10–14, 2023 |
311 (RV) |
77% |
– |
4% |
12% |
7% |
– |
Biden +65% |
Fox News[40] |
November 10–13, 2023 |
386 (RV) |
72% |
– |
3% |
13% |
– |
– |
Biden +59% |
YouGov/Yahoo News[41] |
November 9–13, 2023 |
461 (RV) |
64% |
– |
4% |
4% |
– |
26% |
Biden +60% |
Quinnipiac[42] |
November 9–13, 2023 |
666 (RV) |
74% |
– |
4% |
12% |
4%[c] |
5% |
Biden +62% |
Lord Ashcroft Polls[43] |
November 1–11, 2023 |
3,386 (LV) |
70% |
– |
4% |
6% |
0% |
20% |
Biden +64% |
Big Village[44] |
October 30 – November 5, 2023 |
642 (LV) |
71.4% |
– |
9.2% |
11.1% |
8.3% |
– |
Biden +60.3% |
TIPP Insights[45] |
November 1–3, 2023 |
1,282 (RV) |
72% |
– |
4% |
4% |
– |
20% |
Biden +68% |
Morning Consult[46] |
October 30 – November 2, 2023 |
789 (LV) |
73% |
– |
4% |
4% |
– |
19% |
Biden +69% |
CNN/SSRS[47] |
October 27 – November 2, 2023 |
562 (RV) |
71% |
– |
11% |
8% |
5% |
4% |
Biden +61% |
HarrisX/The Messenger[48] |
October 30 – November 1, 2023 |
725 (RV) |
73% |
– |
4% |
5% |
9%[d] |
10% |
Biden +68% |
Quinnipiac[49] |
October 26–30, 2023 |
695 (RV) |
77% |
– |
6% |
8% |
5%[e] |
5% |
Biden +69% |
|
October 26, 2023 |
Dean Phillips declares his candidacy. |
Echelon Insights[50] |
October 23–26, 2023 |
472 (LV) |
59% |
– |
1% |
7% |
4%[f] |
27% |
Biden +52% |
Noble Predictive Insights[51] |
October 20–26, 2023 |
894 (LV) |
77% |
– |
– |
8% |
– |
14% |
Biden +69% |
HarrisX/The Messenger[52] |
October 16–23, 2023 |
1,106 (RV) |
70% |
– |
– |
9% |
13% |
9% |
Biden +61% |
USA Today/Suffolk[53] |
October 17–20, 2023 |
289 (LV) |
73.0% |
– |
– |
10.7% |
1.0% |
15.2% |
Biden +62.3% |
Emerson College[54] |
October 16–17, 2023 |
643 (RV) |
70.0% |
– |
– |
9.9% |
– |
20.1% |
Biden +60.1% |
Yahoo News[55] |
October 12–16, 2023 |
509 (LV) |
68% |
– |
– |
6% |
4% |
21% |
Biden +62% |
Zogby Analytics[56] |
October 13–15, 2023 |
424 (LV) |
67.6% |
14.9% |
– |
1.6% |
6.4% |
9.6% |
Biden +52.7% |
|
October 9, 2023 |
Robert F. Kennedy Jr. announces he will run as an independent. |
Harris X/The Messenger[57] |
October 4–7, 2023 |
1,080 (RV) |
58% |
15% |
– |
7% |
7% |
13% |
Biden +43% |
Big Village[58] |
September 29 – October 3, 2023 |
1,106 (RV) |
61.8% |
23.7% |
– |
7.2% |
7.3% |
– |
Biden +38.1% |
TIPP/Issues & Insights[59] |
September 27–29, 2023 |
560 (RV) |
65% |
14% |
– |
– |
– |
– |
Biden +51% |
Echelon Insights[60] |
September 25–28, 2023 |
499 (LV) |
58% |
18% |
– |
4% |
4% |
16% |
Biden +40% |
McLaughlin & Associates[61] |
September 22–26, 2023 |
432 (LV) |
56% |
15% |
– |
3% |
– |
26% |
Biden +41% |
Marquette University Law School[62] |
September 18–25, 2023 |
372 (LV) |
49% |
13% |
– |
4% |
– |
34% |
Biden +36% |
HarrisX/The Messenger[63] |
September 13–19, 2023 |
1,114 (RV) |
62% |
16% |
– |
6% |
5% |
11% |
Biden +46% |
Emerson College[64] |
September 17–18, 2023 |
457 (LV) |
61.6% |
14.3% |
– |
3.6% |
– |
20.5% |
Biden +47.3% |
Rasmussen[65] |
September 14–18, 2023 |
– |
57% |
25% |
– |
3% |
7% |
– |
Biden +32% |
YouGov[66] |
September 14–18, 2023 |
486 (RV) |
68% |
7% |
– |
4% |
– |
19% |
Biden +61% |
Harvard/Harris[67][A] |
September 13–14, 2023 |
800 (RV) |
60% |
15% |
– |
4% |
9% |
13% |
Biden +45% |
Ipsos/Reuters[68] |
September 8–14, 2023 |
2,024 (A) |
67% |
14% |
– |
4% |
– |
– |
Biden +53% |
Fox News[69] |
September 9–12, 2023 |
404 (LV) |
71% |
17% |
– |
6% |
3% |
3% |
Biden +54% |
Quinnipiac University[70] |
September 7–11, 2023 |
724 (RV) |
73% |
11% |
– |
8% |
– |
– |
Biden +62% |
HarrisX/The Messenger[71] |
September 6–11, 2023 |
1,245 (RV) |
65% |
11% |
– |
7% |
7% |
10% |
Biden +54% |
Redfield & Wilton Strategies[72] |
September 3–4, 2023 |
618 (LV) |
71% |
9% |
– |
3% |
3%[g] |
14% |
Biden +62% |
Morning Consult[73] |
August 30 – September 1, 2023 |
800 (RV) |
76% |
9% |
– |
3% |
– |
– |
Biden +67% |
Issues & Insights/TIPP[74] |
August 30 – September 1, 2023 |
606 (RV) |
68% |
10% |
– |
5% |
3% |
14% |
Biden +58% |
Echelon Insights[75] |
August 28–31, 2023 |
468 (RV) |
57% |
13% |
– |
6% |
4% |
20% |
Biden +44% |
Big Village[76] |
August 25–27, 2023 |
919 (A) |
60.3% |
19.0% |
– |
9.7% |
10.9% |
– |
Biden +41.3% |
Emerson College[77] |
August 25–26, 2023 |
374 (RV) |
61.0% |
11.5% |
– |
4.4% |
– |
23.0% |
Biden +49.5% |
HarrisX[78] |
August 24–26, 2023 |
763 (RV) |
66% |
13% |
– |
7% |
5% |
9% |
Biden +53% |
McLaughlin & Associates[79] |
August 15–23, 2023 |
444 (LV) |
61% |
12% |
– |
7% |
– |
21% |
Biden +40% |
HarrisX[80] |
August 17–21, 2023 |
648 (A) |
64% |
13% |
– |
4% |
8% |
11% |
Biden +51% |
Yahoo News/YouGov[81] |
August 17–21, 2023 |
495 (RV) |
69% |
7% |
– |
5% |
2% |
18% |
Biden +62% |
Emerson College[82] |
August 16–17, 2023 |
608 |
68.9% |
8.9% |
– |
3.8% |
– |
18.5% |
Biden +60.0% |
Fox News/Beacon Research[83] |
August 11–14, 2023 |
399 (RV) |
64% |
17% |
– |
9% |
– |
– |
Biden +47% |
Quinnipiac University[84] |
August 10–14, 2023 |
666 (RV) |
72% |
13% |
– |
9% |
1% |
3% |
Biden +59% |
Issues & Insights/TIPP[85] |
August 2–4, 2023 |
615 (RV) |
63% |
15% |
– |
4% |
3% |
15% |
Biden +48% |
Echelon Insights[86] |
July 24–27, 2023 |
500 (LV) |
62% |
16% |
– |
5% |
4% |
14% |
Biden +46% |
The New York Times/Siena College[87] |
July 23–27, 2023 |
296 (LV) |
64% |
13% |
– |
10% |
1% |
12% |
Biden +51% |
Big Village[88] |
July 24–26, 2023 |
922 (A) |
62.6% |
19.8% |
– |
9.1% |
8.4% |
– |
Biden +42.8% |
McLaughlin & Associates[89] |
July 19–24, 2023 |
428 (LV) |
65% |
13% |
– |
3% |
– |
19% |
Biden +52% |
Harvard-Harris[90] |
July 19–20, 2023 |
– |
62% |
16% |
– |
5% |
5% |
11% |
Biden +46% |
Quinnipiac University[91] |
July 13–17, 2023 |
727 (RV) |
71% |
14% |
– |
7% |
1% |
5% |
Biden +57% |
Yahoo News[92] |
July 13–17, 2023 |
494 |
69% |
7% |
– |
5% |
2% |
17% |
Biden +62% |
Reuters/Ipsos[93] |
July 11–17, 2023 |
2,044 (RV) |
63% |
15% |
– |
4% |
3% |
14% |
Biden +48% |
Issues & Insights/TIPP[94] |
July 5–7, 2023 |
– |
60% |
16% |
– |
5% |
5% |
14% |
Biden +44% |
Echelon Insights[95] |
June 26–29, 2023 |
511 (LV) |
65% |
14% |
– |
5% |
6% |
11% |
Biden +51% |
Fox News[96] |
June 23–26, 2023 |
391 |
64% |
17% |
– |
10% |
4% |
6% |
Biden +47% |
Emerson College[97] |
June 19–20, 2023 |
441 (RV) |
72.5% |
14.6% |
– |
2.5% |
10.4% |
– |
Biden +57.9% |
YouGov[98] |
June 16–20, 2023 |
– |
70% |
7% |
– |
3% |
2% |
18% |
Biden +63% |
Harvard-Harris[99] |
June 14–15, 2023 |
2,090 (RV) |
62% |
15% |
– |
4% |
8% |
12% |
Biden +47% |
The Messenger/HarrisX[100] |
June 14–15, 2023 |
381 (RV) |
54% |
14% |
– |
5% |
10% |
17% |
Biden +40% |
Big Village[101] |
June 9–14, 2023 |
916 (RV) |
60.0% |
18.3% |
– |
11.2% |
10.5% |
– |
Biden +41.7% |
Quinnipiac University[102] |
June 8–12, 2023 |
722 (RV) |
70% |
17% |
– |
8% |
– |
– |
Biden +53% |
USA Today/Suffolk[103] |
June 5–9, 2023 |
293 (RV) |
58% |
15% |
– |
6% |
– |
21% |
Biden +43% |
Issues & Insights/TIPP[104] |
May 31 – June 2, 2023 |
638 (RV) |
68% |
12% |
– |
4% |
4% |
12% |
Biden +56% |
YouGov[105] |
May 25–30, 2023 |
467 (RV) |
62% |
12% |
– |
5% |
– |
19% |
Biden +50% |
Big Village[106] |
May 26–28, 2023 |
425 (LV) |
58.8% |
19.0% |
– |
10.6% |
11.6% |
– |
Biden +39.8% |
Echelon Insights[107] |
May 22–25, 2023 |
538 (LV) |
60% |
14% |
– |
5% |
2% |
19% |
Biden +46% |
Fox News[108] |
May 19–22, 2023 |
1,001 (RV) |
62% |
16% |
– |
8% |
6% |
8% |
Biden +46% |
CNN[109] |
May 17–20, 2023 |
432 (RV) |
60% |
20% |
– |
8% |
13% |
– |
Biden +40% |
Marquette Law School[110] |
May 8–18, 2023 |
312 (RV) |
53% |
12% |
– |
7% |
– |
28% |
Biden +41% |
YouGov[111] |
May 5–8, 2023 |
480 (RV) |
67% |
10% |
– |
6% |
– |
17% |
Biden +57% |
Rasmussen Reports[112] |
May 3–7, 2023 |
910 (LV) |
62% |
19% |
– |
4% |
15% |
– |
Biden +43% |
Change Research[113] |
April 28 – May 2, 2023 |
1,208 (LV) |
65% |
11% |
– |
11% |
11% |
2% |
Biden +55% |
Echelon Insights[114] |
April 25–27, 2023 |
513 (LV) |
66% |
10% |
– |
2% |
5% |
17% |
Biden +56% |
|
April 25, 2023 |
President Joe Biden declares his candidacy. |
Emerson College Polling[115] |
April 24–25, 2023 |
1,100 (RV) |
70% |
21% |
– |
8% |
– |
– |
Biden +49% |
Fox News[116] |
April 21–24, 2023 |
1,004 (RV) |
62% |
19% |
– |
9% |
– |
10% |
Biden +43% |
Suffolk University[117] |
April 19, 2023 |
600 (LV) |
67% |
14% |
– |
5% |
– |
13% |
Biden +53% |
Morning Consult[118] |
April 7–9, 2023 |
827 (LV) |
70% |
10% |
– |
4% |
8% |
8% |
Biden +60% |
|
April 5, 2023 |
Robert F. Kennedy Jr. declares his candidacy. |
Echelon Insights[119][h] |
March 27–29, 2023 |
370 (LV) |
73% |
– |
– |
10% |
17% |
– |
Biden +63% |
Morning Consult[120] |
March 3–5, 2023 |
826 (LV) |
77% |
– |
– |
4% |
9% |
10% |
Biden +73% |
|
March 4, 2023 |
Marianne Williamson declares her candidacy. |