Jahnkowski Family History

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

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