from 1807 to 1890. Since 1890, they have been part of Germany, although after World War II they along with the rest of Schleswig-Holstein were administered by the United Kingdom as part of the British occupation zone in Germany. British control of Heligoland lasted until 1952, when it was turned over to the control of West Germany.

Heligoland had a population of 1,127 at the end of 2016. In addition to German,