Portalegre is a district located in the east of Portugal. Its capital is the city of Portalegre.
As of 2021, it is the least populous district of Portugal. It borders Spain.
The district is composed of 15 municipalities:
|- class="unsortable" !rowspan=2|Parties!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S |- class="unsortable" align="center" !colspan=2 | 1976 !colspan=2 | 1979 !colspan=2 | 1980 !colspan=2 | 1983 !colspan=2 | 1985 !colspan=2 | 1987 !colspan=2 | 1991 !colspan=2 | 1995 !colspan=2 | 1999 !colspan=2 | 2002 !colspan=2 | 2005 !colspan=2 | 2009 !colspan=2 | 2011 !colspan=2 | 2015 !colspan=2 | 2019 !colspan=2 | 2022 |- | align="left"| PS || style="background:#FF66FF;"|41.9 || style="background:#FF66FF;"|3 || 29.8 || 1 ||32.4 || 1 || style="background:#FF66FF;"|38.5 || style="background:#FF66FF;"|2 || 23.7 || 1 || 25.1 || 1 || 33.5 || 1 || style="background:#FF66FF;"|50.5 || style="background:#FF66FF;"|2 || style="background:#FF66FF;"|51.2 || style="background:#FF66FF;"|2 || style="background:#FF66FF;"|45.3 || style="background:#FF66FF;"|2 || style="background:#FF66FF;"|54.9 || style="background:#FF66FF;"|2 || style="background:#FF66FF;"|38.3 || style="background:#FF66FF;"|1 || 32.4 || 1 || style="background:#FF66FF;"|42.4 || style="background:#FF66FF;"|1 || style="background:#FF66FF;"|44.7 || style="background:#FF66FF;"|2 || style="background:#FF66FF;"|47.2 || style="background:#FF66FF;"|2 |- | align="left"| PSD || 10.1 || || align=center colspan=4|In AD || 19.1 || 1 || 20.9 || 1 || style="background:#FF9900;"|37.4 || style="background:#FF9900;"|1 || style="background:#FF9900;"|38.9 || style="background:#FF9900;"|2 || 23.4 || 1 || 22.5|| 1 || 30.6 || 1 || 20.2 || || 23.8 || 1 || style="background:#FF9900;"|32.5 || style="background:#FF9900;"|1 || align=center colspan=2|In PàF || 20.1 || || 23.2 || |- | align="left"| PCP/APU/CDU || 22.0 || 1 || 29.4|| 1 || 26.1 || 1 || 28.7 || 1 || style="background:red;"|25.2 || style="background:red;"|1 || 20.9 || 1 || 15.2 || || 14.0 || || 15.0 || || 12.4 || || 12.1 || || 12.9 || || 12.8 || || 12.2 || || 8.1 || || 7.6 || |- | align="left"| AD || colspan=2| || style="background:#00FFFF;"|32.1 || style="background:#00FFFF;"|2 || style="background:#00FFFF;"|33.4 || style="background:#00FFFF;"|2 || colspan=26| |- | align="left"| PàF || colspan=26| || 27.6 || 1 || colspan=4| |- ! Total seats || colspan=8|4 || colspan=12|3 || colspan=12|2 |- ! colspan=33|Source: Comissão Nacional de Eleições