Underkoffen Family History

You can see how Underkoffen families moved over time by selecting different census years. The Underkoffen family name was found in the USA in 1920. In 1920 there were 2 Underkoffen families living in Idaho. This was 100% of all the recorded Underkoffen's in USA. Idaho had the highest population of Underkoffen families in 1920.

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