| Election Name: | 2020 United States House of Representatives election in Delaware, at-large district |
| Country: | Delaware |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2018 United States House of Representatives election in Delaware |
| Previous Year: | 2018 |
| Next Election: | 2022 United States House of Representatives election in Delaware |
| Next Year: | 2022 |
| Election Date: | November 3, 2020 |
| Candidate1: | Lisa Blunt Rochester |
| Image1: | File:Lisa Blunt Rochester official photo (cropped).jpg |
| Candidate2: | Lee Murphy |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 281,382 |
| Percentage1: | 57.6% |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 196,392 |
| Percentage2: | 40.2% |
| Map Size: | 210px |
| U.S. Representative | |
| Before Election: | Lisa Blunt Rochester |
| Before Party: | Democratic Party (United States) |
| After Election: | Lisa Blunt Rochester |
| After Party: | Democratic Party (United States) |
The 2020 United States House of Representatives election in Delaware was held on November 3, 2020, to elect the U.S. representative from Delaware's at-large congressional district. The election coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections. The Democratic and Republican primaries was held on September 15, 2020.
Incumbent Democratic Congresswoman Lisa Blunt Rochester ran for re-election to a third term. She was re-elected with 64.5% of the vote in 2018.[1]
The Republican nominee was Lee Murphy, a private citizen who worked for most of his life at Amtrak as a conductor and manager.[2] Murphy had also worked as an actor and had appeared in Netflix's House of Cards.
| Source | Ranking | As of | |
|---|---|---|---|
| align=left | The Cook Political Report[9] | November 2, 2020 | |
| align=left | Inside Elections[10] | October 28, 2020 | |
| align=left | Sabato's Crystal Ball[11] | November 2, 2020 | |
| Politico[12] | November 2, 2020 | ||
| Daily Kos[13] | November 2, 2020 | ||
| RCP[14] | November 2, 2020 |
| County | Lisa Blunt Rochester Democratic | Lee Murphy Republican | Catherine Purcell Delaware Independent | David Rogers Libertarian | Margin | Total votes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data-sort-type="number" style="text-align:center;" | data-sort-type="number" style="text-align:center;" | % | data-sort-type="number" style="text-align:center;" | data-sort-type="number" style="text-align:center;" | % | data-sort-type="number" style="text-align:center;" | data-sort-type="number" style="text-align:center;" | % | data-sort-type="number" style="text-align:center;" | data-sort-type="number" style="text-align:center;" | % | data-sort-type="number" style="text-align:center;" | data-sort-type="number" style="text-align:center;" | % | |||||||||
| New Castle | 184,337 | 66.31 | 87,581 | 31.50 | 3,831 | 1.38 | 2,255 | 0.81 | 96,796 | 34.82 | 278,004 | ||||||||||||
| Kent | 42,984 | 50.79 | 39,586 | 46.78 | 1,284 | 1.52 | 768 | 0.91 | 3,398 | 4.01 | 84,622 | ||||||||||||
| Sussex | 54,061 | 43.03 | 69,225 | 55.10 | 1,567 | 1.25 | 791 | 0.63 | -15,164 | -12.07 | 125,644 | ||||||||||||
| data-sort-value="ZZZ" | Totals | 281,382 | 57.63 | 196,392 | 40.22 | 6,682 | 1.37 | 3,814 | 0.78 | 84,990 | 17.41 | 488,270 | |||||||||||