Kostrowski Family History

You can see how Kostrowski families moved over time by selecting different census years. The Kostrowski family name was found in the USA in 1920. In 1920 there was 1 Kostrowski family living in Illinois. This was about 33% of all the recorded Kostrowski's in USA. Illinois and 2 other states had the highest population of Kostrowski families in 1920.

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