 The religious makeup was 63.59% Roman Catholics, 21.77% Greek Catholics, 7.58% people with no religious affiliation, 2.82% Orthodox and 1.41% Lutherans.The town has its own birth registry and police force.Chemko is chemical plant which produced polychlorinated biphenyls PCBs) (until 1984) and contaminated a large part of East Slovakia, especially sediments of Laborec river and reservoir Zemplínska šírava.