The constituency currently elects three of the 230 members of the Assembly of the Republic using the closed party-list proportional representation electoral system.

Guarda currently elects three of the 230 members of the Assembly of the Republic using the closed party-list proportional representation electoral system.

Results of the 1985 legislative election held on 6 October 1985:[32] The following candidates were elected:[33] Abílio Curto (PS); Arménio Matias (PSD); Andrade Pereira (CDS); Marília Raimundo (PSD); and Veiga Simão (PS).

Results of the 1983 legislative election held on 25 April 1983:[34] The following candidates were elected:[35] Luís Barbosa (CDS); Abílio Curto (PS); Marília Raimundo (PSD); Veiga Simão (PS); and José Valério (PSD).

Results of the 1976 legislative election held on 25 April 1976:[40] The following candidates were elected:[41] António Júlio Aguiar (PPD); Carlos Faria Almeida (CDS); Vilhena de Carvalho (PPD); Emílio Leitão (CDS); Eduardo Pereira (PS); and Barros dos Santos (PS).