Voting & Elections in Port Byron, IL
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Port Byron is located in Rock Island County, IL. Results reflect all voters in the county, not just those in Port Byron.
Election Overview
Source: Rock Island County (2024)2024 Winner
Democrat
Dem Votes
34,126
53.9%
GOP Votes
28,061
44.4%
Total Votes
63,267
Margin
D+9.6%
Shift from 2020
R+2.5pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+9.6%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 34,126 | 28,061 | 63,267 | 53.9% | 44.4% | D+9.6 |
| 2020 | 36,691 | 28,603 | 66,817 | 54.9% | 42.8% | D+12.1 |
| 2016 | 32,258 | 26,969 | 62,971 | 51.2% | 42.8% | D+8.4 |
In the 2024 presidential election, Rock Island County recorded 63,267 total votes. Democrats won the county with 53.9% of the vote compared to 44.4% for Republicans, a margin of D+9.6%. Compared to 2020, the margin shifted R+2.5pp from the previous election. Since 2016, Rock Island County has shifted 1.2 percentage points toward Democrats.