Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 1,916,865 | – | 2,035,415 | – | – |
| Voters | 824,614 | 43.0 | 769,490 | 37.8 | +5.2 |
| Invalid | 26,609 | 3.2 | 35,417 | 4.6 | -1.4 |
| Valid | 798,005 | 96.8 | 734,073 | 95.4 | +1.4 |
| CDU | 245,010 | 30.7 | 213,731 | 29.1 | +1.6 |
| DIE LINKE | 174,103 | 21.8 | 173,385 | 23.6 | -1.8 |
| SPD | 173,082 | 21.7 | 132,868 | 18.1 | +3.6 |
| FDP | 21,007 | 2.6 | 62,900 | 8.6 | -5.9 |
| GRÜNE | 38,485 | 4.8 | 39,882 | 5.4 | -0.6 |
| FAMILIE | 16,389 | 2.1 | 18,784 | 2.6 | -0.5 |
| Tierschutzpartei | 14,368 | 1.8 | 13,117 | 1.8 | ±0.0 |
| REP | 3,411 | 0.4 | 9,055 | 1.2 | -0.8 |
| PIRATEN | 10,078 | 1.3 | 6,113 | 0.8 | +0.4 |
| FREIE WÄHLER | 11,272 | 1.4 | 4,398 | 0.6 | +0.8 |
| Volksabstimmung | 4,633 | 0.6 | 2,315 | 0.3 | +0.3 |
| CM | 2,720 | 0.3 | 2,092 | 0.3 | +0.1 |
| DKP | 1,722 | 0.2 | 1,955 | 0.3 | -0.1 |
| AUF | 1,994 | 0.2 | 1,921 | 0.3 | ±0.0 |
| ÖDP | 1,784 | 0.2 | 1,586 | 0.2 | ±0.0 |
| PBC | 976 | 0.1 | 1,507 | 0.2 | -0.1 |
| PSG | 646 | 0.1 | 1,023 | 0.1 | -0.1 |
| BP | 860 | 0.1 | 1,007 | 0.1 | ±0.0 |
| BüSo | 717 | 0.1 | 879 | 0.1 | ±0.0 |
| AfD | 50,605 | 6.3 | – | – | – |
| PRO NRW | 579 | 0.1 | – | – | – |
| MLPD | 1,390 | 0.2 | – | – | – |
| NPD | 16,758 | 2.1 | – | – | – |
| Die PARTEI | 5,416 | 0.7 | – | – | – |
| Political groups/individual candidates | – | – | 45,555 | 6.2 | – |