Dettlefsen Family History

You can see how Dettlefsen families moved over time by selecting different census years. The Dettlefsen family name was found in the USA in 1920. In 1920 there was 1 Dettlefsen family living in California. This was about 33% of all the recorded Dettlefsen's in USA. California and 2 other states had the highest population of Dettlefsen families in 1920.

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