Koelker Family History

You can see how Koelker families moved over time by selecting different census years. The Koelker family name was found in the USA, and Canada between 1880 and 1920. The most Koelker families were found in USA in 1920. In 1880 there were 14 Koelker families living in Illinois. This was about 45% of all the recorded Koelker's in USA. Illinois had the highest population of Koelker families in 1880.

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