Castelo Branco (Assembly of the Republic constituency)

Castelo Branco is one of the 22 multi-member constituencies of the Assembly of the Republic, the national legislature of Portugal. The constituency was established in 1976 when the Assembly of the Republic was established by the constitution following the restoration of democracy. It is conterminous with the district of Castelo Branco. The constituency currently elects four of the 230 members of the Assembly of the Republic using the closed party-list proportional representation electoral system. At the 2024 legislative election it had 163,578 registered electors.

Electoral system
Castelo Branco currently elects four of the 230 members of the Assembly of the Republic using the closed party-list proportional representation electoral system. Seats are allocated using the D'Hondt method.

Summary
(Figures in italics represent alliances.)

2024
Results of the 2024 legislative election held on 10 March 2024:

The following candidates were elected: Patrícia Caixinha (PS); Nuno Fazenda (PS); Liliana Reis (AD); and João Ribeiro (CH).

2022
Results of the 2022 legislative election held on 30 January 2022:

The following candidates were elected: Cláudia André (PSD); Ana Abrunhosa (PS); João Paulo Catarino (PS); and Nuno Fazenda (PS).

2019
Results of the 2019 legislative election held on 6 October 2019:

The following candidates were elected: Cláudia André (PSD); Eurico Brilhante Dias (PS); Hortense Martins (PS); and Nuno Fazenda (PS).

2015
Results of the 2015 legislative election held on 4 October 2015:

The following candidates were elected: Álvaro Batista (PàF); Eurico Brilhante Dias (PS); Manuel Frexes (PàF); and Hortense Martins (PS).

2011
Results of the 2011 legislative election held on 5 June 2011:

The following candidates were elected: Carlos Costa Neves (PSD); Carlos São Martinho (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

2009
Results of the 2009 legislative election held on 27 September 2009:

The following candidates were elected: Carlos Costa Neves (PSD); Carlos São Martinho (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

2005
Results of the 2005 legislative election held on 20 February 2005:

The following candidates were elected: Cristina Granada (PS); Valter Lemos (PS); Nuno Morais Sarmento (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

2002
Results of the 2002 legislative election held on 17 March 2002:

The following candidates were elected: Maria Elisa Domingues (PSD); Valter Lemos (PS); Fernando Penha (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

1999
Results of the 1999 legislative election held on 10 October 1999:

The following candidates were elected: Manuel Frexes (PSD); António Guterres (PS); Fernando Penha (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

1995
Results of the 1995 legislative election held on 1 October 1995:

The following candidates were elected: Álvaro Barreto (PSD); António Guterres (PS); Fernando Serrasqueiro (PS); Antunes da Silva (PSD); and José Sócrates (PS).

1991
Results of the 1991 legislative election held on 6 October 1991:

The following candidates were elected: António Guterres (PS); Nunes Liberato (PSD); Carlos Pinto (PSD); Antunes da Silva (PSD); and José Sócrates (PS).

1987
Results of the 1987 legislative election held on 19 July 1987:

The following candidates were elected: António Guterres (PS); Pereira Lopes (PSD); Carlos Pinto (PSD); Pedro Roseta (PSD); Antunes da Silva (PSD); and José Sócrates (PS).

1985
Results of the 1985 legislative election held on 6 October 1985:

The following candidates were elected: Fernando Carvalho (PRD); Vítor Crespo (PSD); António Guterres (PS); Pereira Lopes (PSD); António Mendes (PRD); and Antunes da Silva (PSD).

1983
Results of the 1983 legislative election held on 25 April 1983:

The following candidates were elected: Fernando Fradinho (PS); César Vila Franca (PSD); João Lencastre (CDS); José Roque Lino (PS); José Martins Pires (PS); and Antunes da Silva (PSD).

1980
Results of the 1980 legislative election held on 5 October 1980:

The following candidates were elected: António Guterres (FRS); Mário Lopes (AD); Carlos Robalo (AD); Pedro Roseta (AD); Luis Veloso Sampaio (AD); and Alfredo Pinto Silva (FRS).

1979
Results of the 1979 legislative election held on 2 December 1979:

The following candidates were elected: António Guterres (PS); Mário Lopes (AD); Albano Pina (PS); Carlos Robalo (AD); Pedro Roseta (AD); and Luis Veloso Sampaio (AD).

1976
Results of the 1976 legislative election held on 25 April 1976:

The following candidates were elected: José Sérvulo Correia (PPD); João Malhó Fonseca (CDS); António Guterres (PS); Albano Pina (PS); Pedro Roseta (PPD); Alfredo Pinto Silva (PS); and Francisco Farromba Vilela (CDS).