Demkowski Family History

You can see how Demkowski families moved over time by selecting different census years. The Demkowski family name was found in the USA in 1920. In 1920 there were 4 Demkowski families living in New Jersey. This was about 29% of all the recorded Demkowski's in USA. New Jersey had the highest population of Demkowski families in 1920.

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