The oldest cemetery, as well as the documented presence of Jewish residents, dates back to before 1720.
The recorded statistics on the number of Jewish residents of Bytče and the surrounding area between 1851 and 1931 speak of about three to five hundred inhabitants, about 10% of the total population of the town. As a result of the Holocaust, the village disappeared, although a small number of Holocaust "survivors" lived in the town in the post-war period.
The most socially significant family in Bytč were the Poppers. They were among the richest families in the entire monarchy. They amassed a huge fortune through the timber trade. Baron Leopold Popper (1821-1886) was raised to the nobility, his son and heir Baron Dr. Armín Popper (1860-1924) was a member of the Hungarian Parliament for the town of Čadca. After him, Dr. became the heir to Popper's huge fortune. Lothar Popper (1887-1963), recipient of the highest Austro-Hungarian orders from the time of the First World War. Lothar's son, Ing. "William Popper", died abroad without descendants.