Onkamo Family History

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

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