Barmen is a subdivision of Wuppertal. It was incorporated into Wuppertal in January 1930.
Historical population:
| Year
| Population
|
| 1591 | around 1,000
|
| 1640 | around 1,900
|
| 1800 | around 12,000
|
| 1810 | 16,289
|
| 1840 | 30,847
|
| December 1, 1875 | 86,504
|
| December 1, 1890 | 116,144
|
| December 1, 1900 | 141,947
|
| Decemebr 1, 1910 | 169,214
|
| December 1, 1919 | 156,326
|
| June 16, 1925 | 187,099
|