Alkersum is situated in the center of the island in the geestland of Föhr.

Since the communal elections of 2008, the Alkersumer Wählergemeinschaft holds all nine seats in the municipality council.

Also tourism and horse ranches are an important factor.

It displays artworks that focus on the North Sea and its shore.

Notable artists include Edvard Munch, Emil Nolde, Max Liebermann and others.