As a winegrowing centre, Wonsheim lies in Germany's biggest winegrowing district, in the middle of the wine region of Rhenish Hesse.

It belongs to the Verbandsgemeinde of Wöllstein, whose seat is in the like-named municipality.

On 10 June 800, Wonsheim had its first documentary mention in a donation document from Fulda Abbey as Vuanesheim.

The council is made up of 12 council members, who were elected at the municipal election held on 7 June 2009, and the honorary mayor as chairman.

The municipal election held on 7 June 2009 yielded the following results:[3] The municipality's arms might be described thus: Chapé, lozengy argent and azure, Or an orb banded and charged with a cross bottonnée gules both gemmed of the first and sable a lion rampant of the third armed, langued and crowned of the fourth.