Percentage of votes
| Specification | Votes 2014 | Votes 2009 | Diff. on 2009 in p.p. | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Persons entitled to vote | 1,344,770 | – | 1,403,333 | – | – |
| Voters | 629,039 | 46.8 | 653,283 | 46.6 | +0.2 |
| Invalid | 21,086 | 3.4 | 30,280 | 4.6 | -1.3 |
| Valid | 607,953 | 96.6 | 623,003 | 95.4 | +1.3 |
| CDU | 210,268 | 34.6 | 201,447 | 32.3 | +2.3 |
| DIE LINKE | 119,198 | 19.6 | 146,305 | 23.5 | -3.9 |
| SPD | 129,112 | 21.2 | 104,231 | 16.7 | +4.5 |
| FDP | 11,464 | 1.9 | 47,170 | 7.6 | -5.7 |
| GRÜNE | 30,780 | 5.1 | 34,450 | 5.5 | -0.5 |
| FAMILIE | 9,869 | 1.6 | 15,127 | 2.4 | -0.8 |
| REP | 1,935 | 0.3 | 8,490 | 1.4 | -1.0 |
| Tierschutzpartei | 7,103 | 1.2 | 7,989 | 1.3 | -0.1 |
| PIRATEN | 7,562 | 1.2 | 5,032 | 0.8 | +0.4 |
| FREIE WÄHLER | 4,429 | 0.7 | 4,240 | 0.7 | ±0.0 |
| Volksabstimmung | 3,294 | 0.5 | 2,477 | 0.4 | +0.1 |
| AUF | 1,752 | 0.3 | 1,392 | 0.2 | +0.1 |
| DKP | 1,476 | 0.2 | 1,229 | 0.2 | ±0.0 |
| PBC | 828 | 0.1 | 1,032 | 0.2 | ±0.0 |
| ÖDP | 1,048 | 0.2 | 831 | 0.1 | ±0.0 |
| CM | 770 | 0.1 | 656 | 0.1 | ±0.0 |
| PSG | 515 | 0.1 | 553 | 0.1 | ±0.0 |
| BüSo | 456 | 0.1 | 520 | 0.1 | ±0.0 |
| BP | 395 | 0.1 | 427 | 0.1 | ±0.0 |
| AfD | 42,548 | 7.0 | – | – | – |
| PRO NRW | 362 | 0.1 | – | – | – |
| MLPD | 878 | 0.1 | – | – | – |
| NPD | 18,031 | 3.0 | – | – | – |
| Die PARTEI | 3,880 | 0.6 | – | – | – |
| Political groups/individual candidates | – | – | 39,405 | 6.3 | – |