Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 729,081 | – | 705,314 | – | – |
| Voters | 387,748 | 53.2 | 302,387 | 42.9 | +10.3 |
| Invalid | 3,759 | 1.0 | 2,309 | 0.8 | +0.2 |
| Valid | 383,989 | 99.0 | 300,078 | 99.2 | -0.2 |
| CDU | 100,960 | 26.3 | 84,404 | 28.1 | -1.8 |
| SPD | 119,279 | 31.1 | 67,619 | 22.5 | +8.5 |
| GRÜNE | 70,697 | 18.4 | 69,589 | 23.2 | -4.8 |
| FDP | 18,624 | 4.9 | 42,378 | 14.1 | -9.3 |
| DIE LINKE | 26,661 | 6.9 | 16,118 | 5.4 | +1.6 |
| REP | 723 | 0.2 | 2,625 | 0.9 | -0.7 |
| Tierschutzpartei | 4,559 | 1.2 | 2,640 | 0.9 | +0.3 |
| PIRATEN | 7,171 | 1.9 | 3,005 | 1.0 | +0.9 |
| FAMILIE | 1,236 | 0.3 | 1,088 | 0.4 | ±0.0 |
| FREIE WÄHLER | 1,349 | 0.4 | 1,101 | 0.4 | ±0.0 |
| Volksabstimmung | 845 | 0.2 | 529 | 0.2 | ±0.0 |
| PBC | 258 | 0.1 | 345 | 0.1 | ±0.0 |
| ÖDP | 1,117 | 0.3 | 1,069 | 0.4 | -0.1 |
| CM | 188 | 0.0 | 315 | 0.1 | -0.1 |
| AUF | 308 | 0.1 | 252 | 0.1 | ±0.0 |
| DKP | 246 | 0.1 | 290 | 0.1 | ±0.0 |
| BP | 121 | 0.0 | 139 | 0.0 | ±0.0 |
| PSG | 121 | 0.0 | 108 | 0.0 | ±0.0 |
| BüSo | 124 | 0.0 | 63 | 0.0 | ±0.0 |
| AfD | 21,176 | 5.5 | – | – | – |
| PRO NRW | 3,495 | 0.9 | – | – | – |
| MLPD | 269 | 0.1 | – | – | – |
| NPD | 1,168 | 0.3 | – | – | – |
| Die PARTEI | 3,294 | 0.9 | – | – | – |
| Political groups/individual candidates | – | – | 6,401 | 2.1 | – |