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