Kostoss Family History

You can see how Kostoss families moved over time by selecting different census years. The Kostoss family name was found in the USA in 1920. In 1920 there was 1 Kostoss family living in Connecticut. This was about 50% of all the recorded Kostoss's in USA. Connecticut and 1 other state had the highest population of Kostoss families in 1920.

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