# Nationwide opinion polling for the 1940 United States presidential election

This article provides a list of scientific, nationwide public opinion polls that were conducted relating to the 1940 United States presidential election.

## Presidential election
### Franklin Roosevelt vs Wendell Willkie

| Poll Source | Field Date(s) | Sample Size | Franklin Roosevelt Democratic | Wendell Willkie Republican | Others | Undecided | Leading by (points) |
| Election Results | November 5, 1940 | November 5, 1940 | 54.7% | 44.8% | 0.5% | - | 10.0 |
| Gallup Poll News Service | November 2, 1940 | 3,094 (A) | 51.1% | 47.4% | 0.4% | 1.1% | 3.7 |
| Gallup Poll News Service | October 24, 1940 | 10,325 (A) | 47.7% | 44.2% | 0.2% | 7.9% | 3.5 |
| Gallup Poll News Service | October 23, 1940 | 3,161 (A) | 48.2% | 43.5% | 0.3% | 8.00% | 4.7 |
| Gallup Poll News Service | October 22, 1940 | 11,860 (A) | 49.9% | 41.8% | 0.4% | 7.9% | 8.1 |
| Gallup Poll News Service | October 19, 1940 | 5,525 (A) | 48.3% | 45.1% | 0.5% | 6.2% | 3.2 |
| Gallup Poll News Service | October 9, 1940 | 3,134 (A) | 50.0% | 41.4% | 0.6% | 7.9% | 8.6 |
| Gallup Poll News Service | October 5, 1940 | 6,221 (A) | 46.7% | 45.6% | 0.4% | 7.5% | 1.1 |
| Gallup Poll News Service | September 30, 1940 | 3,089 (A) | 48.8% | 42.0% | 0.3% | 8.8% | 6.8 |
| Gallup Poll News Service | September 20, 1940 | 2,957 (A) | 48.3% | 40.7% | 0.1% | 11.0% | 7.6 |
| Gallup Poll News Service | September 14, 1940 | 7,489 (A) | 47.6% | 42.4% | 0.5% | 9.5% | 5.2 |
| Gallup Poll News Service | September 3, 1940 | 4,536 (A) | 42.7% | 42.8% | 0.3% | 14.2% | 0.1 |
| Gallup Poll News Service | August 21, 1940 | 3,117 (A) | 43.2% | 43.6% | 0.3% | 12.2% | 0.4 |
| Gallup Poll News Service | August 9, 1940 | 3,117 (A) | 40.3% | 43.8% | 0.6% | 13.8% | 3.5 |
| Gallup Poll News Service | August 8, 1940 | 5,790 (A) | 42.1% | 46.0% | 0.9% | 11.1% | 3.9 |
| Gallup Poll News Service | July 31, 1940 | 3,060 (A) | 43.6% | 45.8% | 0.3% | 10.3% | 2.2 |
| Gallup Poll News Service | July 19, 1940 | 3,117 (A) | 42.7% | 43.4% | 0.5% | 13.4% | 0.7 |
| Gallup Poll News Service | July 16, 1940 | 1,626 (A) | 44.3% | 43.1% | 0.3% | 12.4% | 1.2 |
| Gallup Poll News Service | July 11, 1940 | 2,490 (A) | 46.4% | 39.8% | - | 13.8% | 6.6 |
| Gallup Poll News Service | July 3, 1940 | 3,121 (A) | 42.0% | 45.7% | - | 12.3% | 3.6 |
| Gallup Poll News Service | Jun 11, 1940 | 3,091 (A) | 52.7% | 29.9% | - | 17.3% | 22.9 |
| Gallup Poll News Service | May 29, 1940 | 3,159 (A) | 54.5% | 29.3% | - | 15.9% | 25.2 |

### Franklin Roosevelt vs Bruce Barton

| Poll source | Date | Franklin Roosevelt Democratic | Bruce Barton Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | August 10, 1938 | 45.5% | 30.9% | 23.6% | 14.6 |

### Franklin Roosevelt vs Thomas Dewey

| Poll source | Date | Franklin Roosevelt Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | June 11, 1940 | 54.0% | 34.7% | 11.3% | 19.3 |
| Gallup Poll News Service | May 29, 1940 | 53.7% | 35.6% | 10.5% | 18.1 |
| Gallup Poll News Service | May 23, 1940 | 54.3% | 37.2% | 8.5% | 17.1 |
| Gallup Poll News Service | May 16, 1940 | 54.2% | 35.7% | 11.6% | 18.5 |
| Gallup Poll News Service | May 3, 1940 | 45.0% | 47.6% | 11.6% | 2.6 |
| Gallup Poll News Service | April 23, 1940 | 48.3% | 44.3% | 7.5% | 4.0 |
| Gallup Poll News Service | April 9, 1940 | 48.4% | 43.3% | 8.4% | 5.1 |
| Gallup Poll News Service | January 30, 1940 | 47.6% | 43.2% | 9.3% | 4.4 |
| Gallup Poll News Service | January 30, 1940 | 45.4% | 43.0% | 11.6% | 2.4 |
| Gallup Poll News Service | December 2–7, 1939 | 42.4% | 43.3% | 14.7% | 0.9 |
| Gallup Poll News Service | November 8, 1939 | 42.2% | 45.0% | 12.8% | 2.8 |
| Gallup Poll News Service | September 22, 1939 | 50.8% | 36.4% | 12.9% | 14.4 |
| Gallup Poll News Service | June 7, 1939 | 42.9% | 44.6% | 12.5% | 1.7 |
| Gallup Poll News Service | February 17, 1939 | 40.1% | 49.3% | 10.5% | 9.2 |
| Gallup Poll News Service | August 10, 1938 | 42.9% | 36.3% | 20.8% | 6.6 |

### Franklin Roosevelt vs Herbert Hoover

| Poll source | Date | Franklin Roosevelt Democratic | Herbert Hoover Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | June 11, 1940 | 61.0% | 26.3% | 12.7% | 34.7 |
| Gallup Poll News Service | May 18, 1939 | 53.4% | 36.2% | 10.4% | 17.2 |

### Franklin Roosevelt vs Alf Landon

| Poll source | Date | Franklin Roosevelt Democratic | Alf Landon Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | August 10, 1938 | 48.8% | 38.4% | 12.8% | 10.4 |

### Franklin Roosevelt vs Robert Taft

| Poll source | Date | Franklin Roosevelt Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | June 11, 1940 | 55.6% | 31.0% | 13.3% | 24.6 |
| Gallup Poll News Service | April 23, 1940 | 52.0% | 38.7% | 9.2% | 13.3 |
| Gallup Poll News Service | April 17, 1940 | 50.9% | 38.1% | 11.0% | 12.8 |
| Gallup Poll News Service | January 30, 1940 | 48.9% | 42.7% | 8.4% | 6.2 |
| Gallup Poll News Service | December 2–7, 1939 | 45.3% | 39.0% | 15.7% | 6.3 |
| Gallup Poll News Service | October 10, 1939 | 47.5% | 41.8% | 10.8% | 5.7 |
| Gallup Poll News Service | March 21, 1939 | 43.3% | 42.8% | 13.8% | 0.5 |

### Franklin Roosevelt vs Arthur Vandenberg

| Poll source | Date | Franklin Roosevelt Democratic | Arthur Vandenberg Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | April 23, 1940 | 51.1% | 38.3% | 10.7% | 12.8 |
| Gallup Poll News Service | December 2–7, 1939 | 46.4% | 37.1% | 15.9% | 9.3 |
| Gallup Poll News Service | October 3, 1939 | 53.2% | 33.0% | 13.9% | 20.2 |
| Gallup Poll News Service | July 17, 1939 | 44.2% | 43.5% | 12.3% | 0.7 |
| Gallup Poll News Service | March 21, 1939 | 44.5% | 37.8% | 17.6% | 6.7 |
| Gallup Poll News Service | August 10, 1938 | 44.5% | 36.8% | 18.7% | 7.7 |

### James Farley vs Thomas Dewey

| Poll source | Date | James Farley Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 3, 1940 | 31.9% | 53.0% | 15.0% | 21.1 |
| Gallup Poll News Service | April 3, 1940 | 33.3% | 54.0% | 12.7% | 20.7 |
| Gallup Poll News Service | April 6, 1939 | 33.5% | 54.2% | 12.3% | 20.7 |
| Gallup Poll News Service | June 21, 1938 | 29.8% | 38.7% | 31.6% | 8.9 |

### James Farley vs Robert Taft

| Poll source | Date | James Farley Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | April 6, 1939 | 39.4% | 45.3% | 15.2% | 5.9 |

### James Farley vs Arthur Vandenberg

| Poll source | Date | James Farley Democratic | Arthur Vandenberg Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | June 21, 1938 | 32.7% | 37.6% | 29.8% | 4.9 |

### John Garner vs Thomas Dewey

| Poll source | Date | John Garner Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | June 18–23, 1939 | 39.4% | 46.8% | 13.8% | 7.4 |
| Gallup Poll News Service | June 7, 1939 | 40.3% | 42.2% | 17.5% | 1.9 |
| Gallup Poll News Service | February 17, 1939 | 43.5% | 41.4% | 15.1% | 2.1 |

### John Garner vs Robert Taft

| Poll source | Date | John Garner Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | April 17, 1940 | 36.7% | 42.3% | 21.1% | 5.6 |
| Gallup Poll News Service | May 2, 1939 | 40.8% | 36.0% | 23.2% | 4.8 |

### John Garner vs Arthur Vandenberg

| Poll source | Date | John Garner Democratic | Arthur Vandenberg Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | March 30, 1939 | 46.9% | 43.1% | 10.1% | 3.8 |
| Gallup Poll News Service | June 21, 1938 | 34.8% | 35.7% | 29.5% | 0.9 |

### Harry Hopkins vs Thomas Dewey

| Poll source | Date | Harry Hopkins Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | April 19, 1939 | 30% | 48% | 22% | 18 |

### Cordell Hull vs Thomas Dewey

| Poll source | Date | Cordell Hull Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 23, 1940 | 46.1% | 39.9% | 13.5% | 6.2 |
| Gallup Poll News Service | May 16, 1940 | 43.6% | 38.2% | 18.2% | 5.4 |
| Gallup Poll News Service | May 3, 1940 | 44.4% | 41.6% | 14.0% | 2.8 |
| Gallup Poll News Service | April 23, 1940 | 42.3% | 43.7% | 14.1% | 1.4 |
| Gallup Poll News Service | April 9, 1940 | 42.9% | 42.3% | 14.8% | 0.6 |
| Gallup Poll News Service | February 6, 1940 | 41.3% | 43.5% | 15.2% | 2.2 |
| Gallup Poll News Service | January 30, 1940 | 39.2% | 42.3% | 18.5% | 3.1 |
| Gallup Poll News Service | July 17, 1939 | 38.7% | 42.7% | 18.6% | 4.0 |
| Gallup Poll News Service | April 19, 1939 | 41.0% | 42.1% | 16.9% | 1.1 |

### Cordell Hull vs Robert Taft

| Poll source | Date | Cordell Hull Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 3, 1940 | 50.4% | 32.8% | 16.9% | 17.6 |
| Gallup Poll News Service | April 23, 1940 | 46.7% | 34.8% | 18.6% | 11.9 |
| Gallup Poll News Service | April 17, 1940 | 49.0% | 31.4% | 19.6% | 17.6 |
| Gallup Poll News Service | January 30, 1940 | 43.4% | 40.8% | 15.7% | 2.6 |
| Gallup Poll News Service | May 2, 1939 | 36.9% | 35.7% | 27.4% | 1.2 |

### Cordell Hull vs Arthur Vandenberg

| Poll source | Date | Cordell Hull Democratic | Arthur Vandenberg Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 3, 1940 | 49.8% | 31.4% | 18.8% | 18.4 |
| Gallup Poll News Service | April 23, 1940 | 46.5% | 33.5% | 19.9% | 13.0 |
| Gallup Poll News Service | March 25, 1940 | 48.4% | 38.6% | 13.0% | 9.8 |
| Gallup Poll News Service | February 6, 1940 | 39.5% | 43.3% | 17.2% | 3.8 |

### Cordell Hull vs Wendell Willkie

| Poll source | Date | Cordell Hull Democratic | Wendell Willkie Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 14, 1940 | 36.3% | 45.4% | 18.0% | 9.1 |

### Paul McNutt vs Robert Taft

| Poll source | Date | Paul McNutt Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 16, 1940 | 30.0% | 38.6% | 31.5% | 8.6 |
| Gallup Poll News Service | July 26, 1939 | 31.1% | 39.0% | 30.0% | 7.9 |

### Paul McNutt vs Arthur Vandenberg

| Poll source | Date | Paul McNutt Democratic | Arthur Vandenberg Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 16, 1940 | 31.1% | 39.8% | 29.1% | 8.7 |

### Paul McNutt vs Wendell Willkie

| Poll source | Date | Paul McNutt Democratic | Wendell Willkie Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 16, 1940 | 32.0% | 29.4% | 42.7% | 2.6 |

### Henry Wallace vs Thomas Dewey

| Poll source | Date | Henry Wallace Democratic | Thomas Dewey Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | May 10, 1939 | 31.7% | 51.2% | 17.2% | 19.5 |

### Henry Wallace vs Robert Taft

| Poll source | Date | Henry Wallace Democratic | Robert Taft Republican | Undecided | Leading by (points) |
| Gallup Poll News Service | April 3, 1940 | 33.2% | 45.9% | 20.9% | 12.7 |
| Gallup Poll News Service | May 10, 1939 | 34.2% | 42.5% | 23.3% | 8.3 |

### Franklin Roosevelt vs Thomas Dewey vs John Garner

| Poll source | Date | Franklin Roosevelt New Deal | Thomas Dewey Republican | John Garner Conservative-Democratic | Undecided | Leading by (points) |
| Gallup Poll News Service | June 7, 1939 | 37.8% | 36.9% | 14.0% | 11.3% | 0.9 |

## Polling for the Republican Presidential Nomination

| Poll source | Date | Wendell Willkie | Thomas Dewey | Robert Taft | Arthur Vandenberg | Herbert Hoover | Alf Landon | William Borah | Henry Cabot Lodge | John Bricker | Fiorello La Guardia | Charles Lindbergh | Arthur James | Bruce Barton | Others | Undecided | Leading by (points) |
| Gallup | November 27, 1938 | - | 33% | 18% | 18% | 6% | 6% | - | 5% | - | - | - | - | - | 17% | - | 15 |
| Gallup | February 17, 1939 | - | 14.04% | 8.32% | 10.92% | 2.08% | 3.64% | 2.08% | - | - | 2.08% | - | - | - | 8.84% | 48% | 3.12 |
| Gallup | March 22, 1939 | - | 23.00% | 5.98% | 6.90% | 2.30% | 1.84% | 0.92% | 0.92% | - | - | - | - | - | 4.14% | 54% | 16.10 |
| Gallup | May 10, 1939 | - | 31.86% | 8.85% | 7.67% | 2.36% | 1.77% | 1.77% | 0.59% | 0.59% | 0.59% | - | - | 0.59% | 2.36% | 41% | 16.10 |
| Gallup | July 7, 1939 | - | 47% | 13% | 19% | 6% | 4% | 3% | 1% | 1% | 2% | - | - | - | 4% | - | 28 |
| Gallup | August 13, 1939 | - | 26.55% | 8.26% | 14.75% | 3.54% | 1.77% | 1.18% | - | 1.18% | - | - | - | - | 1.77% | 41% | 11.80 |
| Gallup | October 13, 1939 | - | 33.54% | 14.62% | 23.22% | 3.54% | 3.44% | 2.58% | - | 0.86% | - | 0.86% | 0.86% | - | 2.58% | 14% | 10.32 |
| Gallup | November 10, 1939 | - | 39% | 18% | 26% | 5% | 3% | 3% | 1% | - | - | 1% | 1% | - | 4% | - | 13 |
| Gallup | November 10, 1939 | - | 44% | 31% | 25% | - | - | - | - | - | - | - | - | - | - | - | 13 |
| Gallup | January 7, 1940 | - | 37.80% | 6.93% | 10.08% | 3.15% | 0.63% | 0.63% | 0.63% | 0.63% | - | - | - | - | 1.89% | 37% | 27.72 |
| Gallup | May 8, 1940 | 2.16% | 48.24% | 8.64% | 10.08% | 1.44% | - | - | - | - | - | - | - | - | 2.16% | 28% | 38.16 |
| Gallup | May 17, 1940 | 3.70% | 45.88% | 10.36% | 9.62% | 1.48% | - | - | - | - | - | - | - | - | 2.96% | 26% | 35.52 |
| Gallup | May 31, 1940 | 6.80% | 38.08% | 10.88% | 8.16% | 1.36% | - | - | - | - | - | - | - | - | 2.72% | 32% | 27.20 |
| Gallup | June 12, 1940 | 13.43% | 41.08% | 10.27% | 9.48% | 1.56% | 0.79% | - | - | - | - | - | - | - | 2.37% | 21% | 27.65 |
| Gallup | June 21, 1940 | 19.14% | 31.02% | 5.28% | 5.28% | 3.96% | - | - | - | - | - | - | - | - | 1.32% | 34% | 11.88 |
| Gallup | July 8, 1940 | 44% | 29% | 13% | - | - | - | - | - | - | - | - | - | - | 14% | - | 15 |

## Polling for the Democratic Presidential Nomination

| Poll source | Date | Franklin Roosevelt | John Garner | Cordell Hull | James Farley | Paul McNutt | Frank Murphy | Burton K. Wheeler | Robert Jackson | Fiorello La Guardia | Alben W. Barkley | Henry Wallace | Harry Hopkins | Bennett Clark | Herbert Lehman | Al Smith | Harold Ickes | George Earle | Others | Undecided | Leading by (points) |
| Gallup | July 31, 1938 | - | 23% | 12% | 16% | 5% | 2% | - | - | - | 2% | 3% | - | - | 3% | - | - | 5% | 25% | - | 7 |
| Gallup | March 26, 1939 | - | 42% | 10% | 10% | 5% | 2% | - | - | - | 2% | - | 8% | 2% | 3% | - | - | - | 14% | - | 32 |
| Gallup | May 21, 1939 | - | 50% | 13% | 9% | 3% | 3% | - | - | - | 2% | 2% | 3% | 2% | 2% | - | - | - | 11% | - | 37 |
| Gallup | June 14, 1939 | - | 23.03% | 5.88% | 7.84% | 1.47% | 1.47% | - | - | - | 0.49% | 1.47% | 2.45% | 0.98% | - | - | - | - | 3.43% | 51% | 15.19 |
| Gallup | August 4, 1939 | - | 46% | 12% | 12% | 13% | 2% | - | - | - | 1% | 1% | 3% | 1% | - | - | - | - | 8% | - | 33 |
| Gallup | September 13, 1939 | - | 45% | 10% | 10% | 21% | 2% | - | - | - | 1% | - | 1% | 1% | - | - | - | - | 9% | - | 24 |
| Gallup | November 6, 1939 | 83% | 8% | 3% | 1% | 3% | - | - | - | - | - | - | - | - | - | - | - | - | 2% | - | 75 |
| Gallup | November 6, 1939 | - | 45% | 13% | 8% | 18% | 3% | - | - | - | 2% | - | - | 1% | - | 2% | 1% | - | 8% | - | 75 |
| Gallup | January 3, 1940 | 58.85% | 9.75% | 1.50% | 0.75% | 3.00% | 0.75% | - | - | - | - | - | - | - | - | - | - | - | 0.75% | 25% | 49.10 |
| Gallup | January 3, 1940 | - | 27.84% | 3.84% | 2.40% | 8.16% | - | - | - | - | - | - | - | - | - | - | - | - | 5.76% | 52% | 19.68 |
| Gallup | February 19, 1940 | 58.50% | 7.50% | 4.50% | 0.75% | 1.50% | - | 0.75% | - | - | - | - | - | - | - | - | - | - | 1.50% | 25% | 51.00 |
| Gallup | February 19, 1940 | - | 20.00% | 12.50% | 4.00% | 5.50% | 0.50% | 2.00% | 0.50% | 1.50% | - | - | - | - | - | - | - | - | 2.20% | 50% | 7.50 |
| Gallup | May 15, 1940 | - | 11.55% | 25.85% | 8.80% | 3.30% | - | 2.20% | 0.55% | 0.55% | - | - | - | - | - | - | - | - | 2.20% | 45% | 14.30 |
| Gallup | July 1, 1940 | 76.36% | 1.66% | 2.49% | 0.83% | 0.83% | - | - | - | - | - | - | - | - | - | - | - | - | 0.83% | 17% | 73.87 |
| Gallup | July 1, 1940 | - | 11.96% | 24.44% | 6.24% | 4.68% | - | 1.56% | 0.56% | 0.56% | - | - | - | - | - | - | - | - | 2.08% | 48% | 12.48 |