You've got family at Ancestry.

Find more Kolpke relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 9 more people named Kolpke in the United States — and some of them are likely related to you.

Start a tree and connect with your family.


Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 15 people named Kolpke in the 1930 U.S. Census. In 1940, there were 60% more people named Kolpke in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 24 people named Kolpke were living in the United States. In a snapshot:

  • 29% of adults were unmarried
  • 24 rented out rooms to boarders
  • On average men worked 51 hours a week
  • 1 owned their homes, valued on average at $3,400

Learn where they came from and where they went.

As Kolpke families continued to grow, they left more tracks on the map:

  • The most common mother tongue was German
  • 3 migrated within the United States from 1935 to 1940
  • 67% were first-generation Americans
  • Most mothers originated from