HILDEN, a towu of Prussia, in the government and circle of Diisseldorf, on the Itterbach. It is a station on the Rhenish railway, and has a considerable manufacture of silks, both pure and mixed, calico, and machinery; it also possesses a deaconess institute. During the last half century its growth has been rapid. While in 1816 the population numbered only 2056, it amounted in 1875 to 6789. Hilden was constituted a town in 1861.