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

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

Results of the 1983 legislative election held on 25 April 1983:[34] The following candidates were elected:[35] Miranda Calha (PS); Malato Correia (PSD); Joaquim Miranda (APU); and Gil Romão (PS).

Results of the 1980 legislative election held on 5 October 1980:[36] The following candidates were elected:[37] José Manuel Barradas (AD); Miranda Calha (FRS); José Manuel Casqueiro (AD); and Joaquim Miranda (APU).

Results of the 1979 legislative election held on 2 December 1979:[38] The following candidates were elected:[39] Miranda Calha (PS); José Manuel Casqueiro (AD); Malato Correia (AD); and Joaquim Miranda (APU).