Rostnkosski Family History

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

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