Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 428,584 | – | 436,296 | – | – |
| Voters | 203,073 | 47.4 | 166,068 | 38.1 | +9.3 |
| Invalid | 2,118 | 1.0 | 1,770 | 1.1 | ±0.0 |
| Valid | 200,955 | 99.0 | 164,298 | 98.9 | ±0.0 |
| CDU | 59,285 | 29.5 | 53,413 | 32.5 | -3.0 |
| SPD | 74,179 | 36.9 | 49,217 | 30.0 | +7.0 |
| GRÜNE | 20,330 | 10.1 | 21,992 | 13.4 | -3.3 |
| FDP | 7,679 | 3.8 | 17,300 | 10.5 | -6.7 |
| DIE LINKE | 11,086 | 5.5 | 9,638 | 5.9 | -0.3 |
| REP | 823 | 0.4 | 2,490 | 1.5 | -1.1 |
| Tierschutzpartei | 2,768 | 1.4 | 1,901 | 1.2 | +0.2 |
| PIRATEN | 3,475 | 1.7 | 1,440 | 0.9 | +0.9 |
| FAMILIE | 956 | 0.5 | 975 | 0.6 | -0.1 |
| FREIE WÄHLER | 404 | 0.2 | 387 | 0.2 | ±0.0 |
| Volksabstimmung | 495 | 0.2 | 413 | 0.3 | ±0.0 |
| PBC | 160 | 0.1 | 187 | 0.1 | ±0.0 |
| ÖDP | 377 | 0.2 | 225 | 0.1 | +0.1 |
| CM | 98 | 0.0 | 169 | 0.1 | -0.1 |
| AUF | 256 | 0.1 | 140 | 0.1 | ±0.0 |
| DKP | 376 | 0.2 | 373 | 0.2 | ±0.0 |
| BP | 71 | 0.0 | 86 | 0.1 | ±0.0 |
| PSG | 60 | 0.0 | 62 | 0.0 | ±0.0 |
| BüSo | 79 | 0.0 | 104 | 0.1 | ±0.0 |
| AfD | 12,010 | 6.0 | – | – | – |
| PRO NRW | 2,531 | 1.3 | – | – | – |
| MLPD | 200 | 0.1 | – | – | – |
| NPD | 1,538 | 0.8 | – | – | – |
| Die PARTEI | 1,719 | 0.9 | – | – | – |
| Political groups/individual candidates | – | – | 3,786 | 2.3 | – |