Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 449,917 | – | 443,669 | – | – |
| Voters | 262,151 | 58.3 | 204,185 | 46.0 | +12.2 |
| Invalid | 3,395 | 1.3 | 1,925 | 0.9 | +0.4 |
| Valid | 258,756 | 98.7 | 202,260 | 99.1 | -0.4 |
| CDU | 100,071 | 38.7 | 83,265 | 41.2 | -2.5 |
| SPD | 77,449 | 29.9 | 39,887 | 19.7 | +10.2 |
| GRÜNE | 26,425 | 10.2 | 26,593 | 13.1 | -2.9 |
| FDP | 13,195 | 5.1 | 32,654 | 16.1 | -11.0 |
| DIE LINKE | 10,402 | 4.0 | 6,788 | 3.4 | +0.7 |
| REP | 325 | 0.1 | 1,278 | 0.6 | -0.5 |
| Tierschutzpartei | 3,061 | 1.2 | 1,952 | 1.0 | +0.2 |
| PIRATEN | 3,510 | 1.4 | 1,486 | 0.7 | +0.6 |
| FAMILIE | 1,018 | 0.4 | 979 | 0.5 | -0.1 |
| FREIE WÄHLER | 1,001 | 0.4 | 959 | 0.5 | -0.1 |
| Volksabstimmung | 1,570 | 0.6 | 970 | 0.5 | +0.1 |
| PBC | 379 | 0.1 | 429 | 0.2 | -0.1 |
| ÖDP | 581 | 0.2 | 302 | 0.1 | +0.1 |
| CM | 129 | 0.0 | 232 | 0.1 | -0.1 |
| AUF | 303 | 0.1 | 209 | 0.1 | ±0.0 |
| DKP | 47 | 0.0 | 76 | 0.0 | ±0.0 |
| BP | 109 | 0.0 | 119 | 0.1 | ±0.0 |
| PSG | 43 | 0.0 | 40 | 0.0 | ±0.0 |
| BüSo | 53 | 0.0 | 30 | 0.0 | ±0.0 |
| AfD | 15,145 | 5.9 | – | – | – |
| PRO NRW | 1,267 | 0.5 | – | – | – |
| MLPD | 64 | 0.0 | – | – | – |
| NPD | 1,370 | 0.5 | – | – | – |
| Die PARTEI | 1,239 | 0.5 | – | – | – |
| Political groups/individual candidates | – | – | 4,012 | 2.0 | – |