Rhein-Sieg-Kreis: the 2025 federal election result
In the federal election on 23 February 2025, CDU led in Rhein-Sieg-Kreis with 33.4% of the second votes, followed by SPD with 17.3%. Below, the results of all 19 municipalities.
- District AdministratorSebastian Schuster (CDU), since 2014 · Wikidata
- Turnout84.5% · North Rhine-Westphalia 82.2% · Germany 82.5%
- Voters382,510 of 452,409 eligible voters
- Compared with North Rhine-WestphaliaCDU +3.3 · SPD −2.7 · AfD −0.9 · Grüne +1.2
- CDU range across municipalities28.2% to 39.5%
Second votes in Rhein-Sieg-Kreis
Deviation from the state result in points.
- CDU33.4%+3.3
- SPD17.3%-2.7
- AfD15.9%-0.9
- Grüne13.6%+1.2
- Linke6.7%-1.6
- FDP5.3%+0.9
- BSW4.0%-0.1
- Volt0.9%+0.2
- Freie Wähler0.6%+0.1
- Others2.5%-0.2
Change compared with the result in North Rhine-Westphalia.
Source: Federal Returning Officer, 2025 federal election, results by independent city and district (file), final result, retrieved 7 Sep 2026, Data licence Germany, attribution 2.0. Compiled by wahlergebnisse.io.
Strongest party by municipality in Rhein-Sieg-Kreis
Tap to open the municipality result. Labels appear on the largest municipalities by area; all values are in the table below.
All municipalities in Rhein-Sieg-Kreis
Sorted by number of voters. Range across the district: CDU 28.2 to 39.5%, SPD 15 to 20.4%, AfD 11.5 to 22.8%, Grüne 9.5 to 17.2%, Linke 4.5 to 8.3%, FDP 3.9 to 7%, BSW 2.9 to 5.2%.
| Municipality | Voters | Turnout | CDU | SPD | AfD | Grüne | Linke | FDP | BSW |
|---|---|---|---|---|---|---|---|---|---|
| Troisdorf | 43,846 | 81.0% | 29.2 | 18.9 | 17.8 | 11.8 | 8.3 | 4.7 | 5.2 |
| Sankt Augustin | 33,923 | 82.4% | 32.1 | 17.8 | 15.7 | 13.9 | 7.4 | 5.1 | 4.3 |
| Bornheim | 31,622 | 86.3% | 35.4 | 16.6 | 14.7 | 14.5 | 6.6 | 5.3 | 3.4 |
| Hennef (Sieg) | 31,443 | 85.8% | 32.6 | 17.3 | 16.4 | 13.7 | 6.3 | 5.3 | 4.1 |
| Königswinter | 26,939 | 86.8% | 34.4 | 17.0 | 12.1 | 17.2 | 6.5 | 5.9 | 3.4 |
| Niederkassel | 24,704 | 85.7% | 35.0 | 18.6 | 15.7 | 11.4 | 6.1 | 5.5 | 3.8 |
| Siegburg | 24,663 | 81.5% | 29.1 | 18.1 | 16.4 | 14.2 | 8.2 | 5.2 | 4.3 |
| Lohmar | 20,440 | 86.6% | 35.1 | 17.2 | 15.9 | 14.0 | 5.2 | 5.1 | 3.6 |
| Rheinbach | 17,760 | 86.0% | 36.5 | 16.3 | 14.5 | 13.8 | 6.3 | 5.5 | 3.1 |
| Bad Honnef | 16,164 | 85.0% | 34.6 | 16.6 | 11.5 | 16.8 | 6.7 | 6.7 | 3.6 |
| Meckenheim | 15,558 | 85.5% | 35.5 | 16.8 | 15.8 | 13.3 | 5.8 | 5.9 | 3.9 |
| Alfter | 15,363 | 86.4% | 33.7 | 16.3 | 13.4 | 16.6 | 7.7 | 5.1 | 3.7 |
| Neunkirchen-Seelscheid | 13,912 | 87.1% | 35.0 | 16.8 | 16.8 | 13.1 | 5.5 | 5.4 | 3.2 |
| Wachtberg | 13,578 | 88.1% | 39.5 | 15.0 | 12.1 | 14.4 | 5.7 | 7.0 | 2.9 |
| Windeck | 12,466 | 81.7% | 28.2 | 20.4 | 21.3 | 11.0 | 6.3 | 3.9 | 4.3 |
| Swisttal | 12,256 | 85.4% | 37.1 | 15.4 | 19.2 | 10.7 | 4.5 | 5.1 | 4.1 |
| Eitorf | 11,227 | 80.7% | 31.0 | 17.4 | 18.5 | 11.3 | 7.0 | 5.2 | 5.0 |
| Much | 10,048 | 85.3% | 35.6 | 15.0 | 19.2 | 11.7 | 5.8 | 4.7 | 3.8 |
| Ruppichteroth | 6,598 | 85.5% | 33.0 | 15.7 | 22.8 | 9.5 | 5.8 | 4.2 | 4.7 |
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. Compiled by wahlergebnisse.io.