Voting & Elections in Mercer, PA
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Mercer is located in Mercer County, PA. Results reflect all voters in the county, not just those in Mercer.
Election Overview
Source: Mercer County (2024)2024 Winner
Republican
Dem Votes
20,145
34.5%
GOP Votes
37,761
64.6%
Total Votes
58,410
Margin
R+30.2%
Shift from 2020
R+4.1pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
R+30.2%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 20,145 | 37,761 | 58,410 | 34.5% | 64.6% | R+30.2 |
| 2020 | 21,067 | 36,143 | 57,954 | 36.4% | 62.4% | R+26.0 |
| 2016 | 17,631 | 30,034 | 49,594 | 35.5% | 60.6% | R+25.0 |
In the 2024 presidential election, Mercer County recorded 58,410 total votes. Republicans won the county with 64.6% of the vote compared to 34.5% for Democrats, a margin of R+30.2%. Compared to 2020, the margin shifted R+4.1pp from the previous election. Since 2016, Mercer County has shifted 5.1 percentage points toward Republicans.