Koumans Family History

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

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