# 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.

## Election results
### Summary

| Election | Unitary Democrats CDU / APU / PCP | Unitary Democrats CDU / APU / PCP | Unitary Democrats CDU / APU / PCP | Left Bloc BE / UDP | Left Bloc BE / UDP | Left Bloc BE / UDP | Socialists PS / FRS | Socialists PS / FRS | Socialists PS / FRS | People Animals Nature PAN | People Animals Nature PAN | People Animals Nature PAN | Democratic Renewal PRD | Democratic Renewal PRD | Democratic Renewal PRD | Social Democrats PSD / PàF / AD / PPD | Social Democrats PSD / PàF / AD / PPD | Social Democrats PSD / PàF / AD / PPD | Liberals IL | Liberals IL | Liberals IL | CDS – People's CDS–PP / CDS | CDS – People's CDS–PP / CDS | CDS – People's CDS–PP / CDS | Chega CH / PPV/CDC / PPV | Chega CH / PPV/CDC / PPV | Chega CH / PPV/CDC / PPV |
| Election | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats |
| 2024 | 2,373 | 2.25% | 0 | 4,450 | 4.23% | 0 | 37,067 | 35.21% | 2 | 1,427 | 1.36% | 0 | | | | 30,812 | 29.27% | 1 | 2,961 | 2.81% | 0 | | | | 21,141 | 20.08% | 1 |
| 2022 | 2,784 | 2.98% | 0 | 4,069 | 4.35% | 0 | 45,634 | 48.81% | 3 | 935 | 1.00% | 0 | | | | 26,240 | 28.07% | 1 | 2,444 | 2.61% | 0 | 1,502 | 1.61% | 0 | 7,959 | 8.51% | 0 |
| 2019 | 4,451 | 4.99% | 0 | 10,353 | 11.60% | 0 | 38,313 | 42.94% | 3 | 2,231 | 2.50% | 0 | | | | 24,676 | 27.65% | 1 | 543 | 0.61% | 0 | 3,480 | 3.90% | 0 | 1,187 | 1.33% | 0 |
| 2015 | 6,286 | 6.29% | 0 | 10,450 | 10.45% | 0 | 40,502 | 40.52% | 2 | 860 | 0.86% | 0 | | | | 36,803 | 36.82% | 2 | | | | | | | | | |
| 2011 | 5,384 | 5.12% | 0 | 4,609 | 4.38% | 0 | 38,317 | 36.41% | 2 | 770 | 0.73% | 0 | | | | 41,754 | 39.68% | 2 | | | | 10,571 | 10.05% | 0 | 219 | 0.21% | 0 |
| 2009 | 5,937 | 5.25% | 0 | 10,632 | 9.40% | 0 | 48,105 | 42.54% | 2 | | | | | | | 34,925 | 30.88% | 2 | | | | 9,843 | 8.70% | 0 | 250 | 0.22% | 0 |
| 2005 | 4,678 | 3.86% | 0 | 4,660 | 3.85% | 0 | 69,795 | 57.63% | 4 | | | | | | | 33,240 | 27.44% | 1 | | | | 6,590 | 5.44% | 0 | | | |
| 2002 | 3,915 | 3.34% | 0 | 1,798 | 1.53% | 0 | 55,140 | 46.98% | 3 | | | | | | | 45,771 | 39.00% | 2 | | | | 8,491 | 7.24% | 0 | | | |
| 1999 | 6,444 | 5.37% | 0 | 1,522 | 1.27% | 0 | 63,309 | 52.77% | 3 | | | | | | | 39,176 | 32.66% | 2 | | | | 7,660 | 6.38% | 0 | | | |
| 1995 | 4,771 | 3.56% | 0 | 792 | 0.59% | 0 | 72,760 | 54.32% | 3 | | | | | | | 43,962 | 32.82% | 2 | | | | 9,863 | 7.36% | 0 | | | |
| 1991 | 6,150 | 4.66% | 0 | | | | 43,777 | 33.16% | 2 | | | | 1,250 | 0.95% | 0 | 69,867 | 52.92% | 3 | | | | 5,269 | 3.99% | 0 | | | |
| 1987 | 9,752 | 7.34% | 0 | 978 | 0.74% | 0 | 30,784 | 23.18% | 2 | | | | 8,177 | 6.16% | 0 | 71,610 | 53.93% | 4 | | | | 6,396 | 4.82% | 0 | | | |
| 1985 | 12,575 | 9.26% | 0 | 1,457 | 1.07% | 0 | 26,073 | 19.21% | 1 | | | | 34,383 | 25.33% | 2 | 43,874 | 32.32% | 3 | | | | 13,555 | 9.99% | 0 | | | |
| 1983 | 15,616 | 11.70% | 0 | 873 | 0.65% | 0 | 51,483 | 38.57% | 3 | | | | | | | 42,461 | 31.81% | 2 | | | | 18,264 | 13.68% | 1 | | | |
| 1980 | 15,946 | 10.83% | 0 | 1,115 | 0.76% | 0 | 46,182 | 31.37% | 2 | | | | | | | 77,675 | 52.76% | 4 | | | | | | | | | |
| 1979 | 19,071 | 12.89% | 0 | 2,887 | 1.95% | 0 | 42,659 | 28.82% | 2 | | | | | | | 76,658 | 51.80% | 4 | | | | | | | | | |
| 1976 | 9,369 | 7.16% | 0 | 1,520 | 1.16% | 0 | 51,822 | 39.61% | 3 | | | | | | | 32,212 | 24.62% | 2 | | | | 28,257 | 21.60% | 2 | | | |
(Figures in italics represent alliances.)

### Detailed
#### 2020s
##### 2024

Results of the 2024 legislative election held on 10 March 2024:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 37,067 | 35.21% | 2 |
| | Democratic Alliance | AD | 30,812 | 29.27% | 1 |
| | Chega | CH | 21,141 | 20.08% | 1 |
| | Left Bloc | BE | 4,450 | 4.23% | 0 |
| | Liberal Initiative | IL | 2,961 | 2.81% | 0 |
| | Unitary Democratic Coalition | CDU | 2,373 | 2.25% | 0 |
| | LIVRE | L | 2,172 | 2.06% | 0 |
| | National Democratic Alternative | ADN | 1,492 | 1.42% | 0 |
| | People Animals Nature | PAN | 1,427 | 1.36% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 437 | 0.42% | 0 |
| | React, Include, Recycle | RIR | 367 | 0.35% | 0 |
| | New Right | ND | 316 | 0.30% | 0 |
| | Volt Portugal | Volt | 168 | 0.16% | 0 |
| | Ergue-te | E | 100 | 0.09% | 0 |
| Valid votes | Valid votes | Valid votes | 105,283 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 1,530 | 1.41% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,447 | 1.34% | |
| Total polled | Total polled | Total polled | 108,260 | 66.18% | |
| Registered electors | Registered electors | Registered electors | 163,578 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 45,634 | 48.81% | 3 |
| | Social Democratic Party | PSD | 26,240 | 28.07% | 1 |
| | Chega | CH | 7,959 | 8.51% | 0 |
| | Left Bloc | BE | 4,069 | 4.35% | 0 |
| | Unitary Democratic Coalition | CDU | 2,784 | 2.98% | 0 |
| | Liberal Initiative | IL | 2,444 | 2.61% | 0 |
| | CDS – People's Party | CDS–PP | 1,502 | 1.61% | 0 |
| | People Animals Nature | PAN | 935 | 1.00% | 0 |
| | LIVRE | L | 775 | 0.83% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 313 | 0.33% | 0 |
| | React, Include, Recycle | RIR | 239 | 0.26% | 0 |
| | National Democratic Alternative | ADN | 176 | 0.19% | 0 |
| | Earth Party | PT | 154 | 0.16% | 0 |
| | Socialist Alternative Movement | MAS | 91 | 0.10% | 0 |
| | We, the Citizens! | NC | 78 | 0.08% | 0 |
| | Ergue-te | E | 59 | 0.06% | 0 |
| | Portuguese Labour Party | PTP | 43 | 0.05% | 0 |
| Valid votes | Valid votes | Valid votes | 93,495 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 1,117 | 1.17% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,126 | 1.18% | |
| Total polled | Total polled | Total polled | 95,738 | 57.58% | |
| Registered electors | Registered electors | Registered electors | 166,269 | | |
The following candidates were elected: Cláudia André (PSD); Ana Abrunhosa (PS); João Paulo Catarino (PS); and Nuno Fazenda (PS).

#### 2010s
##### 2019

Results of the 2019 legislative election held on 6 October 2019:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 38,313 | 42.94% | 3 |
| | Social Democratic Party | PSD | 24,676 | 27.65% | 1 |
| | Left Bloc | BE | 10,353 | 11.60% | 0 |
| | Unitary Democratic Coalition | CDU | 4,451 | 4.99% | 0 |
| | CDS – People's Party | CDS–PP | 3,480 | 3.90% | 0 |
| | People Animals Nature | PAN | 2,231 | 2.50% | 0 |
| | Chega | CH | 1,187 | 1.33% | 0 |
| | LIVRE | L | 834 | 0.93% | 0 |
| | Alliance | A | 715 | 0.80% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 694 | 0.78% | 0 |
| | Liberal Initiative | IL | 543 | 0.61% | 0 |
| | React, Include, Recycle | RIR | 541 | 0.61% | 0 |
| | United Party of Retirees and Pensioners | PURP | 273 | 0.31% | 0 |
| | National Renewal Party | PNR | 247 | 0.28% | 0 |
| | Earth Party | PT | 226 | 0.25% | 0 |
| | People's Monarchist Party | PPM | 183 | 0.21% | 0 |
| | Portuguese Labour Party | PTP | 157 | 0.18% | 0 |
| | Democratic Republican Party | PDR | 125 | 0.14% | 0 |
| Valid votes | Valid votes | Valid votes | 89,229 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 2,250 | 2.40% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 2,216 | 2.37% | |
| Total polled | Total polled | Total polled | 93,695 | 55.09% | |
| Registered electors | Registered electors | Registered electors | 170,075 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 40,502 | 40.52% | 2 |
| | Portugal Ahead | PàF | 36,803 | 36.82% | 2 |
| | Left Bloc | BE | 10,450 | 10.45% | 0 |
| | Unitary Democratic Coalition | CDU | 6,286 | 6.29% | 0 |
| | Democratic Republican Party | PDR | 1,086 | 1.09% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,080 | 1.08% | 0 |
| | People Animals Nature | PAN | 860 | 0.86% | 0 |
| | National Renewal Party | PNR | 508 | 0.51% | 0 |
| | LIVRE | L | 507 | 0.51% | 0 |
| | People's Monarchist Party | PPM | 496 | 0.50% | 0 |
| | The Earth Party Movement | MPT | 464 | 0.46% | 0 |
| | ACT! (Portuguese Labour Party and Socialist Alternative Movement) | AGIR | 374 | 0.37% | 0 |
| | United Party of Retirees and Pensioners | PURP | 272 | 0.27% | 0 |
| | We, the Citizens! | NC | 267 | 0.27% | 0 |
| Valid votes | Valid votes | Valid votes | 99,955 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 2,091 | 2.01% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 2,166 | 2.08% | |
| Total polled | Total polled | Total polled | 104,212 | 57.58% | |
| Registered electors | Registered electors | Registered electors | 180,996 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Social Democratic Party | PSD | 41,754 | 39.68% | 2 |
| | Socialist Party | PS | 38,317 | 36.41% | 2 |
| | CDS – People's Party | CDS–PP | 10,571 | 10.05% | 0 |
| | Unitary Democratic Coalition | CDU | 5,384 | 5.12% | 0 |
| | Left Bloc | BE | 4,609 | 4.38% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,454 | 1.38% | 0 |
| | Party for Animals and Nature | PAN | 770 | 0.73% | 0 |
| | Portuguese Labour Party | PTP | 543 | 0.52% | 0 |
| | National Renewal Party | PNR | 428 | 0.41% | 0 |
| | People's Monarchist Party | PPM | 425 | 0.40% | 0 |
| | The Earth Party Movement | MPT | 403 | 0.38% | 0 |
| | Hope for Portugal Movement | MEP | 355 | 0.34% | 0 |
| | Pro-Life Party | PPV | 219 | 0.21% | 0 |
| Valid votes | Valid votes | Valid votes | 105,232 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 2,943 | 2.67% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,928 | 1.75% | |
| Total polled | Total polled | Total polled | 110,103 | 57.76% | |
| Registered electors | Registered electors | Registered electors | 190,614 | | |
The following candidates were elected: Carlos Costa Neves (PSD); Carlos São Martinho (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

#### 2000s
##### 2009

Results of the 2009 legislative election held on 27 September 2009:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 48,105 | 42.54% | 2 |
| | Social Democratic Party | PSD | 34,925 | 30.88% | 2 |
| | Left Bloc | BE | 10,632 | 9.40% | 0 |
| | CDS – People's Party | CDS–PP | 9,843 | 8.70% | 0 |
| | Unitary Democratic Coalition | CDU | 5,937 | 5.25% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,130 | 1.00% | 0 |
| | Merit and Society Movement | MMS | 508 | 0.45% | 0 |
| | Portuguese Labour Party | PTP | 402 | 0.36% | 0 |
| | People's Monarchist Party | PPM | 394 | 0.35% | 0 |
| | The Earth Party Movement and Humanist Party | MPT-PH | 352 | 0.31% | 0 |
| | Hope for Portugal Movement | MEP | 348 | 0.31% | 0 |
| | National Renewal Party | PNR | 263 | 0.23% | 0 |
| | Pro-Life Party | PPV | 250 | 0.22% | 0 |
| Valid votes | Valid votes | Valid votes | 113,089 | 100.00% | 4 |
| Blank votes | Blank votes | Blank votes | 1,993 | 1.70% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 2,297 | 1.96% | |
| Total polled | Total polled | Total polled | 117,379 | 60.57% | |
| Registered electors | Registered electors | Registered electors | 193,786 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 69,795 | 57.63% | 4 |
| | Social Democratic Party | PSD | 33,240 | 27.44% | 1 |
| | CDS – People's Party | CDS–PP | 6,590 | 5.44% | 0 |
| | Unitary Democratic Coalition | CDU | 4,678 | 3.86% | 0 |
| | Left Bloc | BE | 4,660 | 3.85% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 947 | 0.78% | 0 |
| | New Democracy Party | ND | 619 | 0.51% | 0 |
| | Humanist Party | PH | 326 | 0.27% | 0 |
| | National Renewal Party | PNR | 263 | 0.22% | 0 |
| Valid votes | Valid votes | Valid votes | 121,118 | 100.00% | 5 |
| Blank votes | Blank votes | Blank votes | 1,764 | 1.42% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,753 | 1.41% | |
| Total polled | Total polled | Total polled | 124,635 | 65.96% | |
| Registered electors | Registered electors | Registered electors | 188,963 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 55,140 | 46.98% | 3 |
| | Social Democratic Party | PSD | 45,771 | 39.00% | 2 |
| | CDS – People's Party | CDS–PP | 8,491 | 7.24% | 0 |
| | Unitary Democratic Coalition | CDU | 3,915 | 3.34% | 0 |
| | Left Bloc | BE | 1,798 | 1.53% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 818 | 0.70% | 0 |
| | People's Monarchist Party | PPM | 402 | 0.34% | 0 |
| | Humanist Party | PH | 394 | 0.34% | 0 |
| | The Earth Party Movement | MPT | 370 | 0.32% | 0 |
| | National Renewal Party | PNR | 258 | 0.22% | 0 |
| Valid votes | Valid votes | Valid votes | 117,357 | 100.00% | 5 |
| Blank votes | Blank votes | Blank votes | 981 | 0.82% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,334 | 1.11% | |
| Total polled | Total polled | Total polled | 119,672 | 62.65% | |
| Registered electors | Registered electors | Registered electors | 191,027 | | |
The following candidates were elected: Maria Elisa Domingues (PSD); Valter Lemos (PS); Fernando Penha (PSD); Fernando Serrasqueiro (PS); and José Sócrates (PS).

#### 1990s
##### 1999

Results of the 1999 legislative election held on 10 October 1999:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 63,309 | 52.77% | 3 |
| | Social Democratic Party | PSD | 39,176 | 32.66% | 2 |
| | CDS – People's Party | CDS–PP | 7,660 | 6.38% | 0 |
| | Unitary Democratic Coalition | CDU | 6,444 | 5.37% | 0 |
| | Left Bloc | BE | 1,522 | 1.27% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 845 | 0.70% | 0 |
| | People's Monarchist Party | PPM | 589 | 0.49% | 0 |
| | The Earth Party Movement | MPT | 424 | 0.35% | 0 |
| Valid votes | Valid votes | Valid votes | 119,969 | 100.00% | 5 |
| Blank votes | Blank votes | Blank votes | 1,044 | 0.85% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,536 | 1.25% | |
| Total polled | Total polled | Total polled | 122,549 | 63.82% | |
| Registered electors | Registered electors | Registered electors | 192,029 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 72,760 | 54.32% | 3 |
| | Social Democratic Party | PSD | 43,962 | 32.82% | 2 |
| | CDS – People's Party | CDS–PP | 9,863 | 7.36% | 0 |
| | Unitary Democratic Coalition | CDU | 4,771 | 3.56% | 0 |
| | Popular Democratic Union | UDP | 792 | 0.59% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 669 | 0.50% | 0 |
| | Revolutionary Socialist Party | PSR | 622 | 0.46% | 0 |
| | People's Monarchist Party and The Earth Party Movement | PPM-MPT | 501 | 0.37% | 0 |
| Valid votes | Valid votes | Valid votes | 133,940 | 100.00% | 5 |
| Blank votes | Blank votes | Blank votes | 849 | 0.62% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 2,050 | 1.50% | |
| Total polled | Total polled | Total polled | 136,839 | 67.41% | |
| Registered electors | Registered electors | Registered electors | 202,995 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Social Democratic Party | PSD | 69,867 | 52.92% | 3 |
| | Socialist Party | PS | 43,777 | 33.16% | 2 |
| | Unitary Democratic Coalition | CDU | 6,150 | 4.66% | 0 |
| | Social Democratic Centre Party | CDS | 5,269 | 3.99% | 0 |
| | National Solidarity Party | PSN | 3,121 | 2.36% | 0 |
| | Democratic Renewal Party | PRD | 1,250 | 0.95% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,008 | 0.76% | 0 |
| | Revolutionary Socialist Party | PSR | 903 | 0.68% | 0 |
| | People's Monarchist Party | PPM | 672 | 0.51% | 0 |
| Valid votes | Valid votes | Valid votes | 132,017 | 100.00% | 5 |
| Blank votes | Blank votes | Blank votes | 1,132 | 0.84% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 1,836 | 1.36% | |
| Total polled | Total polled | Total polled | 134,985 | 67.81% | |
| Registered electors | Registered electors | Registered electors | 199,057 | | |
The following candidates were elected: António Guterres (PS); Nunes Liberato (PSD); Carlos Pinto (PSD); Antunes da Silva (PSD); and José Sócrates (PS).

#### 1980s
##### 1987

Results of the 1987 legislative election held on 19 July 1987:
| Party | Party | Party | Votes | % | Seats |
| | Social Democratic Party | PSD | 71,610 | 53.93% | 4 |
| | Socialist Party | PS | 30,784 | 23.18% | 2 |
| | Unitary Democratic Coalition | CDU | 9,752 | 7.34% | 0 |
| | Democratic Renewal Party | PRD | 8,177 | 6.16% | 0 |
| | Social Democratic Centre Party | CDS | 6,396 | 4.82% | 0 |
| | Christian Democratic Party | PDC | 1,357 | 1.02% | 0 |
| | Communist Party (Reconstructed) | PC(R) | 1,127 | 0.85% | 0 |
| | Popular Democratic Union | UDP | 978 | 0.74% | 0 |
| | Revolutionary Socialist Party | PSR | 781 | 0.59% | 0 |
| | People's Monarchist Party | PPM | 753 | 0.57% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 566 | 0.43% | 0 |
| | Portuguese Democratic Movement | MDP | 500 | 0.38% | 0 |
| Valid votes | Valid votes | Valid votes | 132,781 | 100.00% | 6 |
| Blank votes | Blank votes | Blank votes | 1,489 | 1.08% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 3,101 | 2.26% | |
| Total polled | Total polled | Total polled | 137,371 | 71.19% | |
| Registered electors | Registered electors | Registered electors | 192,953 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Social Democratic Party | PSD | 43,874 | 32.32% | 3 |
| | Democratic Renewal Party | PRD | 34,383 | 25.33% | 2 |
| | Socialist Party | PS | 26,073 | 19.21% | 1 |
| | Social Democratic Centre Party | CDS | 13,555 | 9.99% | 0 |
| | United People Alliance | APU | 12,575 | 9.26% | 0 |
| | Popular Democratic Union | UDP | 1,457 | 1.07% | 0 |
| | Christian Democratic Party | PDC | 1,300 | 0.96% | 0 |
| | Revolutionary Socialist Party | PSR | 766 | 0.56% | 0 |
| | Communist Party (Reconstructed) | PC(R) | 706 | 0.52% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 638 | 0.47% | 0 |
| | Workers' Party of Socialist Unity | POUS | 421 | 0.31% | 0 |
| Valid votes | Valid votes | Valid votes | 135,748 | 100.00% | 6 |
| Blank votes | Blank votes | Blank votes | 1,237 | 0.88% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 3,718 | 2.64% | |
| Total polled | Total polled | Total polled | 140,703 | 73.00% | |
| Registered electors | Registered electors | Registered electors | 192,752 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 51,483 | 38.57% | 3 |
| | Social Democratic Party | PSD | 42,461 | 31.81% | 2 |
| | Social Democratic Centre Party | CDS | 18,264 | 13.68% | 1 |
| | United People Alliance | APU | 15,616 | 11.70% | 0 |
| | Christian Democratic Party | PDC | 1,230 | 0.92% | 0 |
| | Workers' Party of Socialist Unity | POUS | 975 | 0.73% | 0 |
| | Popular Democratic Union | UDP | 873 | 0.65% | 0 |
| | People's Monarchist Party | PPM | 770 | 0.58% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 602 | 0.45% | 0 |
| | Revolutionary Socialist Party | PSR | 560 | 0.42% | 0 |
| | Socialist Workers League | LST | 395 | 0.30% | 0 |
| | Portuguese Marxist–Leninist Communist Organization | OCMLP | 239 | 0.18% | 0 |
| Valid votes | Valid votes | Valid votes | 133,468 | 100.00% | 6 |
| Blank votes | Blank votes | Blank votes | 1,263 | 0.91% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 4,034 | 2.91% | |
| Total polled | Total polled | Total polled | 138,765 | 73.47% | |
| Registered electors | Registered electors | Registered electors | 188,876 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Democratic Alliance | AD | 77,675 | 52.76% | 4 |
| | Republican and Socialist Front | FRS | 46,182 | 31.37% | 2 |
| | United People Alliance | APU | 15,946 | 10.83% | 0 |
| | Workers' Party of Socialist Unity | POUS | 2,457 | 1.67% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,270 | 0.86% | 0 |
| | Popular Democratic Union | UDP | 1,115 | 0.76% | 0 |
| | Labour Party | PT | 1,014 | 0.69% | 0 |
| | Revolutionary Socialist Party | PSR | 956 | 0.65% | 0 |
| | Christian Democratic Party, Independent Movement for the National Reconstruction / Party of the Portuguese Right and National Front | PDC- MIRN/ PDP- FN | 609 | 0.41% | 0 |
| Valid votes | Valid votes | Valid votes | 147,224 | 100.00% | 6 |
| Blank votes | Blank votes | Blank votes | 926 | 0.61% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 4,134 | 2.71% | |
| Total polled | Total polled | Total polled | 152,284 | 84.17% | |
| Registered electors | Registered electors | Registered electors | 180,917 | | |
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).

#### 1970s
##### 1979

Results of the 1979 legislative election held on 2 December 1979:
| Party | Party | Party | Votes | % | Seats |
| | Democratic Alliance | AD | 76,658 | 51.80% | 4 |
| | Socialist Party | PS | 42,659 | 28.82% | 2 |
| | United People Alliance | APU | 19,071 | 12.89% | 0 |
| | Popular Democratic Union | UDP | 2,887 | 1.95% | 0 |
| | Christian Democratic Party | PDC | 2,327 | 1.57% | 0 |
| | Portuguese Workers' Communist Party | PCTP | 1,683 | 1.14% | 0 |
| | Left-wing Union for the Socialist Democracy | UEDS | 1,469 | 0.99% | 0 |
| | Revolutionary Socialist Party | PSR | 1,245 | 0.84% | 0 |
| Valid votes | Valid votes | Valid votes | 147,999 | 100.00% | 6 |
| Blank votes | Blank votes | Blank votes | 1,246 | 0.81% | |
| Rejected votes – other | Rejected votes – other | Rejected votes – other | 4,397 | 2.86% | |
| Total polled | Total polled | Total polled | 153,642 | 86.07% | |
| Registered electors | Registered electors | Registered electors | 178,513 | | |
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:
| Party | Party | Party | Votes | % | Seats |
| | Socialist Party | PS | 51,822 | 39.61% | 3 |
| | Democratic People's Party | PPD | 32,212 | 24.62% | 2 |
| | Social Democratic Centre Party | CDS | 28,257 | 21.60% | 2 |
| | Portuguese Communist Party | PCP | 9,369 | 7.16% | 0 |
| | People's Socialist Front | FSP | 1,708 | 1.31% | 0 |
| | Popular Democratic Union | UDP | 1,520 | 1.16% | 0 |
| | Re-Organized Movement of the Party of the Proletariat | MRPP | 1,325 | 1.01% | 0 |
| | Christian Democratic Party | PDC | 1,163 | 0.89% | 0 |
| | People's Monarchist Party | PPM | 959 | 0.73% | 0 |
| | Movement of Socialist Left | MES | 844 | 0.65% | 0 |
| | Communist Party of Portugal (Marxist–Leninist) | PCP(ML) | 586 | 0.45% | 0 |
| | Worker–Peasant Alliance | AOC | 577 | 0.44% | 0 |
| | Internationalist Communist League | LCI | 481 | 0.37% | 0 |
| Valid votes | Valid votes | Valid votes | 130,823 | 100.00% | 7 |
| Rejected votes | Rejected votes | Rejected votes | 11,443 | 8.04% | |
| Total polled | Total polled | Total polled | 142,266 | 80.76% | |
| Registered electors | Registered electors | Registered electors | 176,159 | | |
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).