Troisdorf: the 2025 federal election result
In the federal election on 23 February 2025, CDU led in Troisdorf with 29.2% of the second votes, SPD took 18.9%.
- MayorAlexander Biber (CDU), since 2020 · Wikidata
- Turnout81.0% · Rhein-Sieg-Kreis (Wkr. 096, 097) 84.5% · Germany 82.5%
- Voters43,846 of 54,163 eligible voters
- First votes: leadingCDU candidate
- Constituency96 Rhein-Sieg-Kreis I
Second votes in Troisdorf
Shares in percent of valid second votes, deviation from the state result in points. Others: all parties not listed individually.
- CDU29.2%-0.9
- SPD18.9%-1.1
- AfD17.8%+1.0
- Grüne11.8%-0.6
- Linke8.3%±0
- BSW5.2%+1.1
- FDP4.7%+0.3
- Volt0.8%+0.1
- Freie Wähler0.6%+0.1
- Others2.8%+0.1
Change compared with the result in North Rhine-Westphalia.
| Party | Votes | Share | District | North Rhine-Westphalia | Germany |
|---|---|---|---|---|---|
| CDU | 12,722 | 29.2% | 33.4% | 30.1% (-0.9) | 22.6% (+6.6) |
| SPD | 8,217 | 18.9% | 17.3% | 20.0% (-1.1) | 16.4% (+2.5) |
| AfD | 7,777 | 17.8% | 15.9% | 16.8% (+1.0) | 20.8% (-3.0) |
| Grüne | 5,128 | 11.8% | 13.6% | 12.4% (-0.6) | 11.6% (+0.2) |
| Linke | 3,620 | 8.3% | 6.7% | 8.3% (±0) | 8.8% (-0.5) |
| BSW | 2,261 | 5.2% | 4.0% | 4.1% (+1.1) | 5.0% (+0.2) |
| FDP | 2,046 | 4.7% | 5.3% | 4.4% (+0.3) | 4.3% (+0.4) |
| Volt | 340 | 0.8% | 0.9% | 0.7% (+0.1) | – |
| Freie Wähler | 242 | 0.6% | 0.6% | 0.5% (+0.1) | – |
| Others | 1,220 | 2.8% | 2.5% | 2.7% (+0.1) | 10.6% (-7.8) |
Source: Federal Returning Officer, 2025 federal election, results by polling district (file), final result, retrieved 7 Sep 2026, Data licence Germany, attribution 2.0. Municipal results are the sum of a municipality's polling districts including the postal-vote districts assigned to it. State and federal results: Federal Returning Officer, kerg2.csv, official final result. Compiled by wahlergebnisse.io.
Troisdorf: location in the Rhein-Sieg-Kreis district
All municipalities of the district, coloured by the strongest party of the second votes. Troisdorf highlighted. Tap to open a neighbouring municipality.