The municipality Erymanthos was formed at the 1/1/2011 local government reform by the merger of the following 4 former municipalities and communities, that became municipal units:[2]
^"Αποτελέσματα Απογραφής Πληθυσμού - Κατοικιών 2021, Μόνιμος Πληθυσμός κατά οικισμό" [Results of the 2021 Population - Housing Census, Permanent population by settlement] (in Greek). Hellenic Statistical Authority. 29 March 2024.
^ a b"ΦΕΚ A 87/2010, Kallikratis reform law text" (in Greek). Government Gazette.
^"Population & housing census 2001 (incl. area and average elevation)" (PDF) (in Greek). National Statistical Service of Greece. Archived from the original (PDF) on 2015-09-21.