You can see how Zwichorowcki families moved over time by selecting different census years. The Zwichorowcki family name was found in the USA in 1920. In 1920 there was 1 Zwichorowcki family living in Pennsylvania. This was 100% of all the recorded Zwichorowcki's in USA. Pennsylvania had the highest population of Zwichorowcki families in 1920.

Use census records and voter lists to see where families with the Zwichorowcki surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.