Schmidtke is a German surname.
As of 2014, 78.5% of all known bearers of the surname Schmidtke were residents of Germany, 11.7% of the United States, 2.5% of Canada, 1.9% of Poland, 1.5% of Brazil and 1.2% of Australia.
In Germany, the frequency of the surname was higher than national average in the following states:[1]