New Castle County, DE — Elections & Voting
Presidential election results and party lean trends
Election Overview
Source: New Castle County (2024)2024 Winner
Democrat
Dem Votes
180,700
65.5%
GOP Votes
90,868
32.9%
Total Votes
275,917
Margin
D+32.6%
Shift from 2020
R+4.5pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+32.6%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 180,700 | 90,868 | 275,917 | 65.5% | 32.9% | D+32.6 |
| 2020 | 195,034 | 88,364 | 287,633 | 67.8% | 30.7% | D+37.1 |
| 2016 | 162,905 | 85,507 | 261,468 | 62.3% | 32.7% | D+29.6 |
In the 2024 presidential election, New Castle County recorded 275,917 total votes. Democrats won the county with 65.5% of the vote compared to 32.9% for Republicans, a margin of D+32.6%. Compared to 2020, the margin shifted R+4.5pp from the previous election. Since 2016, New Castle County has shifted 3.0 percentage points toward Democrats.