The municipality of Deirmimas was founded in 1961 commencing its activities with a cadre of two employees and six municipal council members elected along with the first Mayor Mr. Phillipe Awdeh.

During the Israeli occupation of South Lebanon, the municipality was placed under the supervision of the Governor of Marjeyoun from 1969 to 2001 until the first post-occupation election took place and Eng. Sami Al-Ghazzi elected as second mayor from 2001 to 2004.

From 2004 to 2010, Dr. Kamel Morkos was elected as third mayor of Deirmimas municipality. 2010 Eng. Jean Hourani served as mayor for the first three years followed by Eng. Walid Hasbani. The current mayor is Dr. Georges Nakad.

Various organizations and institutions have given financial assistance to the Municipality of Deirmimas during the last decade, in particular the following donors:

  • World Bank
  • World Vision
  • World Food Programme
  • United Nations Development Programme (UNDP)
  • United Nations Population Fund (UNFPA)
  • United Nations Interim Forces in Lebanon (UNIFIL)
  • Caritas Lebanon
  • Catholic Relief Services
  • The Red Cross
  • The Pontifical Mission
  • Middle East Council of Churches
  • International Orthodox Christian Charities
  • Mines Advisory Group
  • Relief International
  • American Near East Refugee Aid
  • United States Agency for International Development
  • The Evangelical Baptist Church
  • Adventist Development and Relief Agency (non-governmental organization)
  • Mines Advisory Group (MIGA)
  • People In Need
  • The Lebanese Business Council, Dubai & Northern Emirates
  • Government of Spain
  • Government of Qatar