The municipal election held on 7 June 2009 yielded the following results:[3] The mayor is Michael Johannes Bähr (CDU).

[1] The German blazon reads: In Rot ein aufrecht gestellter goldener Palmzweig, beseitet von zwei sechsstrahligen goldenen Sternen.

The municipality's arms might in English heraldic language be described thus: Gules a palm frond palewise, the leaves bendwise sinister, between two mullets of six, all Or.

The palm frond stands for Saint Cyriacus, the local patron, but what the mullets (star shapes) mean is unknown.

Living in Weisenheim are the Austrian competition horseman Hugo Simon, who in 1996 was the world's "most successful show jumper", and also the former FIFA referee and now Südwestdeutscher Fußballverband ("Southwest German Football League") functionary Werner Föckler (b.