Koropec Family History

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

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