 By 1616 the town had 130 houses, a parish school and two churches, however after the catastrophic Swedish invasion of Poland (1655–1660), the number of houses was reduced to 63, with a population of 530.After the wars of the 1650s, Kunów's importance declined.In 1705, 560 residents died in an epidemic, and in the late 18th century, after the Partitions of Poland, the town was annexed by the Habsburg Empire.