The municipality lies between Mainz and Worms in Rhenish Hesse and is an agricultural community.

The winemaking centre belongs to the Verbandsgemeinde Rhein-Selz, whose seat is in Oppenheim.

A small Jewish graveyard consecrated in the summer of 1858 and still preserved today is now the only witness to the municipality's Jewish history[3][4] The council is made up of 17 council members, counting the part-time mayor, with seats apportioned thus: (as at municipal election held on 13 June 2004) The mayor is Gertrude Hennig, elected in May 2019.

[1] The municipality's arms might be described thus: Azure Saint George in his glory armoured argent, at his feet and with his foot sinister on its neck a dragon couchant sinister gules, its head turned towards Saint George who is thrusting a lance bendwise Or into its mouth.

Mid-May is the time each year for Dalheim's kermis (church consecration festival, locally known as the Kerb).