Voting & Elections in Dennis, MA
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Dennis is located in Barnstable County, MA. Results reflect all voters in the county, not just those in Dennis.
Election Overview
Source: Barnstable County (2024)2024 Winner
Democrat
Dem Votes
88,129
59.6%
GOP Votes
57,451
38.9%
Total Votes
147,848
Margin
D+20.8%
Shift from 2020
R+3.7pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+20.8%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 88,129 | 57,451 | 147,848 | 59.6% | 38.9% | D+20.8 |
| 2020 | 91,994 | 55,311 | 150,325 | 61.2% | 36.8% | D+24.4 |
| 2016 | 71,632 | 53,842 | 132,667 | 54.0% | 40.6% | D+13.4 |
In the 2024 presidential election, Barnstable County recorded 147,848 total votes. Democrats won the county with 59.6% of the vote compared to 38.9% for Republicans, a margin of D+20.8%. Compared to 2020, the margin shifted R+3.7pp from the previous election. Since 2016, Barnstable County has shifted 7.3 percentage points toward Democrats.