Kostach Family History

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

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