Koslap Family History

You can see how Koslap families moved over time by selecting different census years. The Koslap family name was found in the USA in 1920. In 1920 there was 1 Koslap family living in New Jersey. This was about 50% of all the recorded Koslap's in USA. New Jersey and 1 other state had the highest population of Koslap families in 1920.

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