Demographics
North Rhine-Westphalia has a population of approximately 18 million inhabitants, and is centred around the polycentric Rhine-Ruhr metropolitan region, which includes the industrial Ruhr region and the Rhenish cities of Bonn, Cologne and Düsseldorf. 30 of the 80 largest cities in Germany are located within North Rhine-Westphalia. The state's capital is Düsseldorf, the state's largest city is Cologne.
The following table shows the ten largest cities of North Rhine-Westphalia:
| Pos. | Name | Pop. 2010 | Area (km²) | Pop. per km² | map |
|---|---|---|---|---|---|
| 1 | Cologne | 1,000,660 | 405.15 | 2,470 | |
| 2 | Düsseldorf | 586,564 | 217.01 | 2,703 | |
| 3 | Dortmund | 580,688 | 280.37 | 2,071 | |
| 4 | Essen | 575,027 | 210.38 | 2,733 | |
| 5 | Duisburg | 501,564 | 232.81 | 2,154 | |
| 6 | Bochum | 385,626 | 145.43 | 2,652 | |
| 7 | Wuppertal | 359,237 | 168.37 | 2,134 | |
| 8 | Bielefeld | 326,925 | 257.83 | 1,268 | |
| 9 | Bonn | 312,818 | 141.22 | 2,215 | |
| 10 | Münster | 270,868 | 302.91 | 894 |
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