Allefson Family History

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

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