Elections / 2020 · Senate · DE
The Democratic candidate won Delaware's Senate seat D+21.5.
Delaware, 2020. Party-level statewide totals below — candidate names join when the raw MEDSL store is re-fetched with name columns. The presidential race shared this ballot.
Delaware — 2020 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
291,804
59.4%
Republican (R)
186,054
37.9%
All others
13,077
2.7%
Margin
D+21.5
Delaware's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −12.2% |
| 1978 | +16.9% |
| 1982 | −11.0% |
| 1984 | +20.2% |
| 1988 | −24.1% |
| 1990 | +26.8% |
| 1994 | −13.3% |
| 1996 | +21.9% |
| 2000 | +11.8% |
| 2002 | +17.4% |
| 2006 | +41.5% |
| 2008 | +29.4% |
| 2010 | +16.6% |
| 2012 | +37.5% |
| 2014 | +13.6% |
| 2018 | +22.1% |
| 2020 | +21.5% |
| 2024 | +17.1% |