Gronkoski Family History

You can see how Gronkoski families moved over time by selecting different census years. The Gronkoski family name was found in the USA in 1920. In 1920 there were 2 Gronkoski families living in Illinois. This was about 67% of all the recorded Gronkoski's in USA. Illinois had the highest population of Gronkoski families in 1920.

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