In the crystal structure of the title compound, (C(7)H(15)ClN(2))[CuCl(4)], a weak inter-molecular N-H⋯Cl hydrogen bond is observed between the organic dication and the tetrahedral [CuCl(4)](2-) anion. The organic dication is distorted, as indicated by the N-C-C-N torsion angles, which range from 16.76 (4) to 19.54 (3)°.