The municipal election held on 7 June 2009 yielded the following results:[3] The German blazon reads: Von Blau und Silber gespalten, rechts ein halber rotbewehrter silberner Adler am Spalt, links eine aufgerichtete blaue Weintraube mit grünen Blättern.

The municipality’s arms might in English heraldic language be described thus: Per pale azure issuant from the line of partition an eagle displayed argent armed and langued gules, and argent a bunch of grapes slipped proper reversed.

The village’s oldest known seal from the 16th century bears the eagle as a charge, the device also borne by the Counts of Leiningen, who held the local lordship.

In Erpolzheim, the following wineries and wine estates can be found: Erpolzheim lies on the single-track Neustadt an der Weinstrasse - Bad Dürkheim - Freinsheim – Grünstadt railway line and it has a stop with a lovely railway station building, although it is not used as such, but rather as a house.

In the village centre up by the church is a bus stop served by buses on the Busverkehr Rhein-Neckar (BRN) route 453.