The City of St. Marys, PA was established on January 1, 1994 with a Mayor and 4 Council members.  This was the 1st City council.  On January 1st, 2004 City Council was expanded to include 6 council members and is still structured this way today. The Mayor and Council members serve a 4 year term with a maximum 2 consecutive terms.  Members can serve a 3rd consecutive term on City Council if elected for a different office (Mayor to Council member or Council member to Mayor).  

Elections are held every two years and 3 council member seats are up for election.