# 2020 United States presidential election in New Hampshire

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vte :
The 2020 United States presidential election in New Hampshire was held on Tuesday, November 3, 2020, as part of the 2020 United States presidential election in which all 50 states and the District of Columbia participated. New Hampshire voters chose electors to represent them in the Electoral College via a popular vote, pitting the Republican Party's nominees, incumbent President Donald Trump and Vice President Mike Pence, against the Democratic Party's nominees, former Vice President Joe Biden and his running mate, Senator Kamala Harris. New Hampshire has four electoral votes in the Electoral College.
New Hampshire is by far the most fiscally conservative state in New England, and its population has a strong disdain for taxes, historically giving Republicans an edge in its state office elections. However, like the rest of the region, it is very liberal on social issues like abortion and gay rights, and thus the Democratic Party has dominated in its federal elections in recent years. Although the state came extremely close to voting for Trump in 2016, polls throughout the 2020 campaign showed a clear Biden lead, and prior to election day, all 14 news organizations considered New Hampshire a state that Biden was favored to win.
Per exit polls by the Associated Press, Biden prevailed in the state by garnering the votes of 58% of white women, and 69% of unmarried women. Biden carried voters prioritizing healthcare policy with 73% campaigning on protecting coverage for pre-existing conditions, a resonant issue in a state plagued by the opioid crisis.
Corresponding Democratic victories in the Senate election and both House elections reaffirmed the Democrats' strength in what used to be a heavily contested battleground. Contrary to earlier projections however, New Hampshire Republicans took control of both the executive and legislative branches of the New Hampshire government. Republicans flipped the previously Democrat-held New Hampshire state Senate and House of Representatives. Republicans also gained control of the state's Executive Council, and Republican Gov. Chris Sununu was reelected for a third term with 65% of the vote. Biden's best margin was in the socially liberal Connecticut River Valley, which had overwhelmingly favored Bernie Sanders in the Democratic primary, while Trump's strength came in the rural Great North Woods Region. Biden was the first Democrat to ever win the White House without Coös County.

## Primary elections

The New Hampshire primary, traditionally the first, was held on February 11, 2020, roughly a week after the Iowa caucuses.

### Republican primary

The New Hampshire Republican primary took place on February 11, 2020. Incumbent president Donald Trump won the Republican primary with 85.6 percent of the vote, clinching all of the state's 22 pledged delegates to the 2020 Republican National Convention. Typically, the top candidates of the other major party receive a large number of write-in votes.
2020 New Hampshire Republican primary :
| Candidate | Votes | % | Estimated delegates |
| Donald Trump (incumbent) | 129,734 | 84.42 | 22 |
| Bill Weld | 13,844 | 9.01 | 0 |
| Joe Walsh (withdrawn) | 838 | 0.55 | 0 |
| Mitt Romney (write-in) | 632 | 0.41 | 0 |
| Rocky De La Fuente | 148 | 0.10 | 0 |
| Robert Ardini | 77 | 0.05 | 0 |
| Bob Ely | 68 | 0.04 | 0 |
| Zoltan Istvan | 56 | 0.04 | 0 |
| Others / Write-in | 2,339 | 1.52 | 0 |
| Pete Buttigieg (write-in Democratic) | 1,136 | 0.74 | 0 |
| Amy Klobuchar (write-in Democratic) | 1,076 | 0.70 | 0 |
| Mike Bloomberg (write-in Democratic) | 801 | 0.52 | 0 |
| Bernie Sanders (write-in Democratic) | 753 | 0.49 | 0 |
| Tulsi Gabbard (write-in Democratic) | 369 | 0.24 | 0 |
| Joe Biden (write-in Democratic) | 330 | 0.21 | 0 |
| Tom Steyer (write-in Democratic) | 191 | 0.12 | 0 |
| Andrew Yang (write-in Democratic) | 162 | 0.11 | 0 |
| Elizabeth Warren (write-in Democratic) | 157 | 0.10 | 0 |
| Other write-in Democrats | 963 | 0.63 | 0 |
| Total | 153,674 | 100% | 22 |

### Democratic primary

Bernie Sanders won the Democratic primary with 25.6 percent of the vote, ahead of second-place Pete Buttigieg, who received 24.3 percent of the vote. Both Sanders and Buttigieg received nine delegates to the 2020 Democratic National Convention. Amy Klobuchar finished in third place with 19.7 percent of the vote and earned six delegates. Elizabeth Warren and Joe Biden finished in fourth and fifth place, respectively, and each received zero delegates.
2020 New Hampshire Democratic presidential primary :
| Candidate | Votes | % | Delegates |
| Bernie Sanders | 76,384 | 25.60 | 9 |
| Pete Buttigieg | 72,454 | 24.28 | 9 |
| Amy Klobuchar | 58,714 | 19.68 | 6 |
| Elizabeth Warren | 27,429 | 9.19 | |
| Joe Biden | 24,944 | 8.36 | |
| Tom Steyer | 10,732 | 3.60 | |
| Tulsi Gabbard | 9,755 | 3.27 | |
| Andrew Yang | 8,312 | 2.79 | |
| Michael Bloomberg (write-in) | 4,675 | 1.57 | |
| Deval Patrick | 1,271 | 0.43 | |
| Michael Bennet | 952 | 0.32 | |
| Cory Booker (withdrawn) | 157 | 0.05 | |
| Joe Sestak (withdrawn) | 152 | 0.05 | |
| Kamala Harris (withdrawn) | 129 | 0.04 | |
| Marianne Williamson (withdrawn) | 99 | 0.03 | |
| Julian Castro (withdrawn) | 83 | 0.03 | |
| John Delaney (withdrawn) | 83 | 0.03 | |
| Steve Bullock (withdrawn) | 64 | 0.02 | |
| Henry Hewes | 43 | 0.01 | |
| Ben Gleib (withdrawn) | 31 | 0.01 | |
| Other candidates / Write-in | 665 | 0.22 | |
| Donald Trump (write-in Republican) | 1,217 | 0.41 | |
| Bill Weld (write-in Republican) | 17 | 0.01 | |
| Mitt Romney (write-in Republican) | 10 | 0.00 | |
| Other write-in Republicans | 5 | 0.00 | |
| Total | 298,377 | 100% | 24 |

### Libertarian primary

Mail-in ballots were due by January 11, at the state convention. The primary was tabulated using Bucklin voting. Percentages shown are percentage of ballots cast.
2020 New Hampshire Libertarian presidential primary :
| Candidate | 1st | 2nd | 3rd | Total | Percentage |
| Vermin Supreme | 10 | 3 | 13 | 26 | 17.3% |
| Kim Ruff | 6 | 9 | 7 | 22 | 14.7% |
| Jo Jorgensen | 5 | 8 | 4 | 17 | 11.3% |
| None of the Above (NOTA) | 4 | 6 | 3 | 13 | 8.7% |
| Dan "Taxation Is Theft" Behrman | 0 | 6 | 7 | 13 | 8.7% |
| Jacob Hornberger (write-in) | 9 | 0 | 0 | 9 | 6.0% |
| Sam Robb | 1 | 2 | 5 | 8 | 5.3% |
| Mark Whitney (write-in) | 4 | 0 | 2 | 6 | 4.0% |
| Arvin Vohra | 1 | 0 | 5 | 6 | 4.0% |
| Ken Armstrong | 0 | 2 | 3 | 5 | 3.3% |
| Lincoln Chafee (write-in) | 1 | 2 | 1 | 4 | 2.7% |
| Justin Amash (write-in) | 1 | 1 | 1 | 3 | 2.0% |
| Keenan Wallace Dunham | 0 | 0 | 2 | 2 | 1.3% |
| Max Abramson | 1 | 0 | 0 | 1 | nil |
| Straw Poll (write-in) | 1 | 0 | 0 | 1 | nil |
| Joe Bishop-Henchman (write-in) | 0 | 0 | 1 | 1 | nil |
| Thomas Knapp (write-in) | 0 | 0 | 1 | 1 | nil |
| Adam Kokesh (write-in) | 0 | 0 | 1 | 1 | nil |
| Nicholas Sarwark (write-in) | 0 | 0 | 1 | 1 | nil |
| Exhausted Ballots/Undervotes | 0 | 5 | 5 | 10 | |
| Total | 44 | 44 | 62 | 150 | |
2020 New Hampshire Libertarian vice presidential primary :
| Candidate | 1st | 2nd | Total | Percentage |
| John Phillips | 15 | 6 | 21 | 63.6% |
| None of the Above | 9 | 6 | 15 | 45.5% |
| Spike Cohen (write-in) | 2 | 0 | 2 | 6.1% |
| Larry Sharpe (write-in) | 2 | 0 | 2 | 6.1% |
| Ron Paul (write-in) | 1 | 1 | 2 | 6.1% |
| Darryl W Perry (write-in) | 1 | 0 | 1 | 3.0% |
| Straw Poll (write-in) | 1 | 0 | 1 | 3.0% |
| Nicolas Sarwark (write-in) | 1 | 0 | 1 | 3.0% |
| Mark Whitney (write-in) | 1 | 0 | 1 | 3.0% |
| Exhausted Ballots/Undervotes | 11 | 20 | 31 | |
| Total | 44 | 33 | 77 | |

## General election
### Final predictions

| Source | Ranking |
| The Cook Political Report | Lean D |
| Inside Elections | Likely D |
| Sabato's Crystal Ball | Likely D |
| Politico | Lean D |
| RCP | Lean D |
| Niskanen | Safe D |
| CNN | Lean D |
| The Economist | Likely D |
| CBS News | Lean D |
| 270towin | Lean D |
| ABC News | Lean D |
| NPR | Likely D |
| NBC News | Lean D |
| 538 | Likely D |

### Polling
#### Aggregate polls

| Source of poll aggregation | Dates administered | Dates updated | Joe Biden Democratic | Donald Trump Republican | Other/ Undecided | Margin |
| 270 to Win | October 14–29, 2020 | November 3, 2020 | 53.4% | 42.4% | 4.2% | Biden +11.0 |
| FiveThirtyEight | until November 2, 2020 | November 3, 2020 | 53.9% | 42.8% | 3.3% | Biden +11.1 |
| Average | Average | Average | 53.7% | 42.6% | 3.8% | Biden +11.1 |

#### Polls

| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump Republican | Joe Biden Democratic | Jo Jorgensen Libertarian | Other | Undecided |
| SurveyMonkey/Axios | Oct 20 – Nov 2, 2020 | 1,013 (LV) | ± 4.5% | 45% | 54% | - | – | – |
| American Research Group | Oct 26–28, 2020 | 600 (LV) | ± 4% | 39% | 58% | 1% | – | 2% |
| University of New Hampshire | Oct 24–28, 2020 | 864 (LV) | ± 3.3% | 45% | 53% | 1% | 1% | 1% |
| SurveyMonkey/Axios | Oct 1–28, 2020 | 1,791 (LV) | – | 44% | 55% | - | – | – |
| Saint Anselm College | Oct 23–26, 2020 | 1,018 (LV) | ± 3.1% | 44% | 52% | 2% | – | 2% |
| YouGov/UMass Amherst | Oct 16–26, 2020 | 757 (LV) | ± 4.5% | 43% | 53% | 2% | 1% | 2% |
| University of New Hampshire | Oct 9–12, 2020 | 899 (LV) | ± 3.3% | 43% | 55% | 0% | 0% | 2% |
| Suffolk University/Boston Globe | Oct 8–12, 2020 | 500 (LV) | ± 4.4% | 41% | 51% | 2% | 3% | 5% |
| Saint Anselm College | Oct 1–4, 2020 | 1,147 (LV) | ± 2.9% | 41% | 53% | - | 4% | 2% |
| Emerson College | Sep 30 – Oct 1, 2020 | 700 (LV) | ± 3.6% | 45% | 53% | - | 2% | – |
| SurveyMonkey/Axios | Sep 1–30, 2020 | 637 (LV) | – | 43% | 55% | - | – | 2% |
| American Research Group | Sep 25–28, 2020 | 600 (LV) | ± 4% | 44% | 53% | 1% | – | 2% |
| University of New Hampshire | Sep 24–28, 2020 | 972 (LV) | ± 3.1% | 44% | 53% | 1% | 0% | 3% |
| Pulse Opinion Research/Center for American Greatness | Sep 23–25, 2020 | 850 (LV) | ± 4% | 42% | 56% | - | 1% | 1% |
| YouGov/UMass Lowell | Sep 17–25, 2020 | 657 (LV) | ± 4.6% | 44% | 52% | 1% | 2% | 1% |
| YouGov/UMass Lowell | Sep 17–25, 2020 | 657 (LV) | ± 4.6% | 44% | 53% | - | 0% | 1% |
| Siena College/NYT Upshot | Sep 8–11, 2020 | 445 (LV) | ± 5.5% | 42% | 45% | 4% | 2% | 7% |
| SurveyMonkey/Axios | Aug 1–31, 2020 | 444 (LV) | – | 39% | 60% | - | – | 1% |
| Saint Anselm College | Aug 15–17, 2020 | 1,042 (RV) | ± 3.0% | 43% | 51% | - | 4% | 2% |
| SurveyMonkey/Axios | Jul 1–31, 2020 | 574 (LV) | – | 39% | 60% | - | – | 2% |
| University of New Hampshire | Jul 16–28, 2020 | 1,893 (LV) | ± 2.3% | 40% | 53% | - | 4% | 3% |
| SurveyMonkey/Axios | Jun 8–30, 2020 | 191 (LV) | – | 39% | 61% | - | – | 1% |
| University of New Hampshire | Jun 18–22, 2020 | 936 (LV) | – | 39% | 52% | - | 6% | 3% |
| Saint Anselm College | Jun 13–16, 2020 | 1,072 (RV) | ± 3% | 42% | 49% | - | 5% | 3% |
| University of New Hampshire | May 14–18, 2020 | 790 (LV) | – | 46% | 44% | - | 5% | 5% |
| Saint Anselm College | Apr 23–27, 2020 | 820 (RV) | ± 3.4% | 42% | 50% | - | 2% | 7% |
| University of New Hampshire | Feb 19–25, 2020 | 569 (LV) | ± 4.1% | 46% | 44% | - | 8% | 2% |
| AtlasIntel | Feb 8–10, 2020 | 1,100 (RV) | ± 3% | 46% | 44% | - | 11% | – |
| McLaughlin & Associates/NH Journal | Feb 4–5, 2020 | 400 (LV) | ± 4.9% | 49% | 45% | - | – | – |
| Marist College/NBC News | Jan 20–23, 2020 | 2,223 (RV) | ± 2.6% | 43% | 51% | - | 2% | 5% |
| Emerson College | Nov 23–26, 2019 | 637 (RV) | ± 3.8% | 48% | 52% | - | – | – |
| Emerson College | Nov 23–26, 2019 | 547 (RV) | ± 4.1% | 42% | 46% | - | – | 13% |
| Saint Anselm College | Nov 13–18, 2019 | 512 (RV) | ± 4.3% | 43% | 51% | - | – | 6% |
| Emerson College | Sep 6–9, 2019 | 1,041 (RV) | ± 3.0% | 45% | 55% | - | – | – |
| Gravis Marketing | Aug 2–6, 2019 | 505 (RV) | ± 4.4% | 40% | 53% | - | – | 7% |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 45% | 55% | - | – | – |
| American Research Group | Mar 21–27, 2018 | 1,365 (RV) | ± 3.0% | 39% | 53% | - | – | 8% |
Former candidates :
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Bernie Sanders (D) | Other | Undecided |
| University of New Hampshire | Feb 19–25, 2020 | 571 (LV) | ± 4.1% | 46% | 46% | 6% | 1% |
| AtlasIntel | Feb 8–10, 2020 | 1,100 (RV) | ± 3% | 47% | 44% | 9% | – |
| McLaughlin & Associates/NH Journal | Feb 4–5, 2020 | 400 (LV) | ± 4.9% | 48% | 45% | – | – |
| Marist College/NBC News | Jan 20–23, 2020 | 2,223 (RV) | ± 2.6% | 43% | 51% | 2% | 4% |
| Emerson College | Nov 23–26, 2019 | 637 (RV) | ± 3.8% | 48% | 52% | – | – |
| Emerson College | Nov 23–26, 2019 | 547 (RV) | ± 4.1% | 42% | 49% | – | 9% |
| Saint Anselm College | Nov 13–18, 2019 | 512 (RV) | ± 4.3% | 46% | 49% | – | 6% |
| Emerson College | Sep 6–9, 2019 | 1,041 (RV) | ± 3.0% | 48% | 53% | – | – |
| Gravis Marketing | Aug 2–6, 2019 | 505 (RV) | ± 4.4% | 41% | 51% | – | 8% |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 45% | 55% | – | – |
| Praecones Analytica | Jan 16–21, 2019 | 593 (RV) | ± 5.3% | 41% | 54% | – | 5% |
| American Research Group | Mar 21–27, 2018 | 1,365 (RV) | ± 3.0% | 49% | 45% | – | 5% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Elizabeth Warren (D) | Other | Undecided |
| AtlasIntel | Feb 8–10, 2020 | 1,100 (RV) | ± 3% | 46.8% | 40.5% | – | 12.7% |
| Marist College/NBC News | Jan 20–23, 2020 | 2,223 (RV) | ± 2.6% | 44% | 48% | 2% | 5% |
| Inside Sources | Jan 16–21, 2020 | 593 (RV) | – | 41% | 54% | – | 5% |
| Emerson College | Nov 23–26, 2019 | 637 (RV) | ± 3.8% | 51% | 49% | – | – |
| Emerson College | Nov 23–26, 2019 | 547 (RV) | ± 4.1% | 43% | 47% | – | 10% |
| Saint Anselm College | Nov 13–18, 2019 | 512 (RV) | ± 4.3% | 46% | 47% | – | 7% |
| Emerson College | Sep 6–9, 2019 | 1,041 (RV) | ± 3.0% | 51% | 49% | – | – |
| Gravis Marketing | Aug 2–6, 2019 | 505 (RV) | ± 4.4% | 44% | 49% | – | 7% |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 48% | 52% | – | – |
| Praecones Analytica | Jan 16–21, 2019 | 593 (RV) | ± 5.3% | 41% | 54% | – | 5% |
| American Research Group | Mar 21–27, 2018 | 1,365 (RV) | ± 3.0% | 50% | 42% | – | 9% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Michael Bloomberg (D) | Other | Undecided |
| University of New Hampshire | Feb 19–25, 2020 | 561 (LV) | ± 4.1% | 47% | 33% | 16% | 5% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Pete Buttegieg (D) | Other | Undecided |
| University of New Hampshire | Feb 19–25, 2020 | 569 (LV) | ± 4.1% | 42% | 48% | 7% | 3% |
| AtlasIntel | Feb 8–10, 2020 | 1,100 (RV) | ± 3% | 45.3% | 46.1% | – | 8.6% |
| Marist College/NBC News | Jan 20–23, 2020 | 2,223 (RV) | ± 2.6% | 41% | 51% | 1% | 6% |
| Emerson College | Nov 23–26, 2019 | 637 (RV) | ± 3.8% | 41% | 48% | – | – |
| Emerson College | Nov 23–26, 2019 | 547 (RV) | ± 4.1% | 41% | 48% | – | 11% |
| Saint Anselm College | Nov 13–18, 2019 | 512 (RV) | ± 4.3% | 42% | 49% | – | 9% |
| Gravis Marketing | Aug 2–6, 2019 | 505 (RV) | ± 4.4% | 42% | 49% | – | 9% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Andrew Yang (D) | Undecided |
| Emerson College | November 23–26, 2019 | 637 (RV) | ± 3.8% | 51% | 49% | – |
| Emerson College | November 23–26, 2019 | 547 (RV) | ± 4.1% | 42% | 46% | 12% |
| Emerson College | September 6–9, 2019 | 1,041 (RV) | ± 3.0% | 46% | 54% | – |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Cory Booker (D) | Undecided |
| Emerson College | Feb 21–22, 2019 | 910 | ± 3.2% | 49% | 51% | – |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Kamala Harris (D) | Undecided |
| Emerson College | September 6–9, 2019 | 1,041 (RV) | ± 3.0% | 49% | 51% | – |
| Gravis Marketing | August 2–6, 2019 | 505 (RV) | ± 4.4% | 44% | 47% | 9% |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 48% | 52% | – |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Beto O'Rourke (D) | Undecided |
| Praecones Analytica | Jan 16–21, 2019 | 593 (RV) | ± 5.3% | 41% | 48% | 12% |
Hypothetical polling :
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Bernie Sanders (D) | Howard Schultz (I) | Undecided |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 42% | 48% | 10% | – |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Elizabeth Warren (D) | Howard Schultz (I) | Undecided |
| Emerson College | Feb 21–22, 2019 | 910 (RV) | ± 3.2% | 45% | 44% | 12% | – |
| Poll source | Date(s) administered | Sample size | Margin of error | John Kasich (R) | Joe Biden (D) | Undecided |
| American Research Group | Mar 21–27, 2018 | 1,365 (RV) | ± 3.0% | 45% | 46% | 8% |
| Poll source | Date(s) administered | Sample size | Margin of error | John Kasich (R) | Elizabeth Warren (D) | Undecided |
| American Research Group | Mar 21–27, 2018 | 1,365 (RV) | ± 3.0% | 52% | 37% | 11% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Generic Democrat | Other | Undecided |
| RKM Research and Communications Inc./Boston Herald/FPU/NBC10 | Jan 29-Feb 1, 2020 | 892 (V) | – | 36% | 49% | 9% | 7% |
| Praecones Analytica | Aug 13–15, 2018 | 626 (RV) | ± 5.4% | 38% | 49% | – | 13% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Generic Democrat | Generic third party | Undecided |
| Suffolk University | Apr 25–28, 2019 | 800 (LV) | ± 3.5% | 40% | 43% | 6% | 11% |
| Poll source | Date(s) administered | Sample size | Margin of error | Donald Trump (R) | Generic Opponent | Other | Undecided |
| University of New Hampshire/CNN | Jan 15–23, 2020 | 1,169 (A) | ± 2.9% | 46% | 49% | 2% | 2% |

### Results

2020 United States presidential election in New Hampshire :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Joe Biden Kamala Harris | 424,937 | 52.71% | +5.88% |
| | Republican | Donald Trump Mike Pence | 365,660 | 45.36% | −1.10% |
| | Libertarian | Jo Jorgensen Spike Cohen | 13,236 | 1.64% | −2.49% |
| | Green | Howie Hawkins (write-in) Angela Walker (write-in) | 217 | 0.03% | −0.84% |
| | Independent | Bernie Sanders (write-in) | 192 | 0.02% | −0.58% |
| | Republican | Mitt Romney (write-in) | 170 | 0.02% | −0.05% |
| | Democratic | Tulsi Gabbard (write-in) | 142 | 0.02% | N/A |
| | Independent | Kanye West (write-in) | 82 | 0.01% | N/A |
| | Republican | John Kasich (write-in) | 67 | 0.01% | −0.17% |
| | Democratic | Andrew Yang (write-in) | 58 | 0.01% | N/A |
| | Republican | Mike Pence (write-in) | 56 | 0.01% | N/A |
| | Democratic | Pete Buttigieg (write-in) | 47 | 0.01% | N/A |
| | Republican | Chris Sununu (write-in) | 46 | 0.01% | N/A |
| | Republican | Bill Weld (write-in) | 23 | 0.00% | N/A |
| | Libertarian | Vermin Supreme (write-in) | 22 | 0.00% | −0.01% |
| | Democratic | Amy Klobuchar (write-in) | 19 | 0.00% | N/A |
| | Democratic | Andrew Cuomo (write-in) | 14 | 0.00% | N/A |
| | Democratic | Jeanne Shaheen (write-in) | 14 | 0.00% | N/A |
| | Libertarian | Ron Paul (write-in) | 13 | 0.00% | −0.01% |
| | Republican | Condoleezza Rice (write-in) | 12 | 0.00% | N/A |
| | Republican | Mike Huckabee (write-in) | 10 | 0.00% | N/A |
| | Democratic | Michelle Obama (write-in) | 10 | 0.00% | N/A |
| Total votes | Total votes | Total votes | 806,205 | 100.00% | N/A |

#### By county

| County | Joe Biden Democratic | Joe Biden Democratic | Donald Trump Republican | Donald Trump Republican | Various candidates Other parties | Various candidates Other parties | Margin | Margin | Total votes cast |
| County | # | % | # | % | # | % | # | % | Total votes cast |
| Belknap | 16,894 | 43.90% | 20,899 | 54.31% | 686 | 1.79% | -4,005 | -10.41% | 38,479 |
| Carroll | 16,649 | 50.00% | 16,150 | 48.50% | 498 | 1.50% | 499 | 1.50% | 33,297 |
| Cheshire | 25,522 | 57.52% | 17,898 | 40.34% | 950 | 2.14% | 7,624 | 17.18% | 44,370 |
| Coos | 7,640 | 46.18% | 8,617 | 52.09% | 287 | 1.73% | -977 | -5.91% | 16,544 |
| Grafton | 33,180 | 61.29% | 19,905 | 36.77% | 1,047 | 1.94% | 13,275 | 24.52% | 54,132 |
| Hillsborough | 122,344 | 52.81% | 104,625 | 45.16% | 4,690 | 2.03% | 17,719 | 7.65% | 231,659 |
| Merrimack | 48,533 | 53.85% | 39,711 | 44.06% | 1,889 | 2.09% | 8,822 | 9.79% | 90,133 |
| Rockingham | 100,064 | 50.20% | 95,858 | 48.09% | 3,420 | 1.71% | 4,206 | 2.11% | 199,342 |
| Strafford | 41,721 | 56.53% | 30,489 | 41.31% | 1,595 | 2.16% | 11,232 | 15.22% | 73,805 |
| Sullivan | 12,390 | 50.69% | 11,508 | 47.08% | 546 | 2.23% | 882 | 3.61% | 24,444 |
| Totals | 424,937 | 52.71% | 365,660 | 45.36% | 15,608 | 1.93% | 59,277 | 7.35% | 806,205 |
* Democratic — +7.5–10%
* Democratic — +5–7.5%
* Democratic — +2.5–5%
* Democratic — +0–2.5%
* Republican — +0–2.5%
* Republican — +2.5–5%
* Democratic — +7.5–10%
* Democratic — +5–7.5%
* Democratic — +2.5–5%
* Democratic — +0–2.5%
* Republican — +0–2.5%
* Republican — +2.5–5%
* Democratic  Hold  Gain from Republican Republican  Hold
Counties that flipped from Republican to Democratic
* Carroll (largest municipality: Conway)
* Hillsborough (largest municipality: Manchester)
* Rockingham (largest municipality: Derry)
* Sullivan (largest municipality: Claremont)

#### By congressional district

| District | Biden | Trump | Representative |
| 1st | 52.2% | 46.2% | Chris Pappas |
| 2nd | 53.5% | 44.8% | Annie Kuster |

## Analysis

Biden flipped the counties of Carroll, Hillsborough, Rockingham, and Sullivan, of which Hillsborough (which houses the state's largest city of Manchester) and Sullivan had voted for Barack Obama twice before switching to Trump in 2016. Carroll and Rockingham last voted Democratic in 2008, although Rockingham last gave a Democrat a majority of the vote in 1964. Biden also significantly expanded Hillary Clinton's 2016 lead of 2,736 votes (0.37%) to 59,267 votes (7.35%).

### Edison exit polls

2020 presidential election in New Hampshire by demographic subgroup (Edison exit polling) :
| Demographic subgroup | Biden | Trump | % of total vote |
| Total vote | 52.71 | 45.36 | 100 |
| Ideology ||||
| Liberals | 93 | 7 | 24 |
| Moderates | 64 | 33 | 44 |
| Conservatives | 9 | 91 | 32 |
| Party ||||
| Democrats | 94 | 6 | 23 |
| Republicans | 10 | 90 | 31 |
| Independents | 62 | 35 | 46 |
| Gender ||||
| Men | 47 | 52 | 47 |
| Women | 58 | 40 | 53 |
| Race/ethnicity ||||
| White | 52 | 46 | 92 |
| Non-white | 56 | 41 | 8 |
| Age ||||
| 18–24 years old | 50 | 48 | 9 |
| 25–29 years old | 58 | 35 | 8 |
| 30–39 years old | 54 | 42 | 14 |
| 40–49 years old | 50 | 49 | 15 |
| 50–64 years old | 51 | 49 | 31 |
| 65 and older | 56 | 43 | 23 |
| Sexual orientation ||||
| LGBT | – | – | 7 |
| Not LGBT | 50 | 48 | 93 |
| Education ||||
| High school or less | 43 | 53 | 20 |
| Some college education | 45 | 54 | 26 |
| Associate degree | 44 | 54 | 13 |
| Bachelor's degree | 63 | 36 | 25 |
| Postgraduate degree | 68 | 30 | 17 |
| Income ||||
| Under $30,000 | 71 | 28 | 12 |
| $30,000–49,999 | 45 | 51 | 18 |
| $50,000–99,999 | 54 | 44 | 30 |
| Over $100,000 | 53 | 46 | 40 |
| Issue regarded as most important ||||
| Racial inequality | 87 | 10 | 14 |
| Coronavirus | 95 | 5 | 21 |
| Economy | 12 | 87 | 33 |
| Crime and safety | 15 | 83 | 10 |
| Health care | 89 | 8 | 13 |
| Region ||||
| Seacoast | 60 | 38 | 17 |
| Manchester/Concord | 57 | 42 | 24 |
| Southwest/Connecticut Valley | 57 | 41 | 20 |
| Southeast | 44 | 54 | 21 |
| North | 47 | 52 | 18 |
| Area type ||||
| Urban | 67 | 31 | 9 |
| Suburban | 50 | 48 | 60 |
| Rural | 54 | 45 | 31 |
| Family's financial situation today ||||
| Better than four years ago | 19 | 80 | 43 |
| Worse than four years ago | 82 | 12 | 19 |
| About the same | 79 | 20 | 38 |