Voting & Elections in Cortland, IL
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Cortland is located in DeKalb County, IL. Results reflect all voters in the county, not just those in Cortland.
Election Overview
Source: DeKalb County (2024)2024 Winner
Democrat
Dem Votes
23,648
50.1%
GOP Votes
22,716
48.1%
Total Votes
47,186
Margin
D+2.0%
Shift from 2020
R+3.7pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+2.0%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 23,648 | 22,716 | 47,186 | 50.1% | 48.1% | D+2.0 |
| 2020 | 24,643 | 21,905 | 47,989 | 51.3% | 45.6% | D+5.7 |
| 2016 | 20,348 | 19,051 | 42,605 | 47.8% | 44.7% | D+3.0 |
In the 2024 presidential election, DeKalb County recorded 47,186 total votes. Democrats won the county with 50.1% of the vote compared to 48.1% for Republicans, a margin of D+2.0%. Compared to 2020, the margin shifted R+3.7pp from the previous election. Since 2016, DeKalb County has shifted 1.1 percentage points toward Republicans.