Hennef (Sieg): the 2025 federal election result
In the federal election on 23 February 2025, CDU led in Hennef (Sieg) with 32.6% of the second votes, SPD took 17.3%.
- MayorMario Dahm (SPD), since 2020 · Wikidata
- Turnout85.8% · Rhein-Sieg-Kreis (Wkr. 096, 097) 84.5% · Germany 82.5%
- Voters31,443 of 36,645 eligible voters
- First votes: leadingCDU candidate
- Constituency96 Rhein-Sieg-Kreis I
Second votes in Hennef (Sieg)
Shares in percent of valid second votes, deviation from the state result in points. Others: all parties not listed individually.
- CDU32.6%+2.5
- SPD17.3%-2.7
- AfD16.4%-0.4
- Grüne13.7%+1.3
- Linke6.3%-2.0
- FDP5.3%+0.9
- BSW4.1%±0
- Volt1.2%+0.5
- Freie Wähler0.5%±0
- Others2.5%-0.2
Change compared with the result in North Rhine-Westphalia.
| Party | Votes | Share | District | North Rhine-Westphalia | Germany |
|---|---|---|---|---|---|
| CDU | 10,200 | 32.6% | 33.4% | 30.1% (+2.5) | 22.6% (+10.0) |
| SPD | 5,424 | 17.3% | 17.3% | 20.0% (-2.7) | 16.4% (+0.9) |
| AfD | 5,134 | 16.4% | 15.9% | 16.8% (-0.4) | 20.8% (-4.4) |
| Grüne | 4,301 | 13.7% | 13.6% | 12.4% (+1.3) | 11.6% (+2.1) |
| Linke | 1,963 | 6.3% | 6.7% | 8.3% (-2.0) | 8.8% (-2.5) |
| FDP | 1,661 | 5.3% | 5.3% | 4.4% (+0.9) | 4.3% (+1.0) |
| BSW | 1,294 | 4.1% | 4.0% | 4.1% (±0) | 5.0% (-0.9) |
| Volt | 370 | 1.2% | 0.9% | 0.7% (+0.5) | – |
| Freie Wähler | 166 | 0.5% | 0.6% | 0.5% (±0) | – |
| Others | 788 | 2.5% | 2.5% | 2.7% (-0.2) | 10.6% (-8.1) |
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.
Hennef (Sieg): location in the Rhein-Sieg-Kreis district
All municipalities of the district, coloured by the strongest party of the second votes. Hennef (Sieg) highlighted. Tap to open a neighbouring municipality.