Onseker Family History

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

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