District 20 () is one of the 28 multi-member electoral districts of the Chamber of Deputies, the lower house of the National Congress, the national legislature of Chile. The district was created by the 2015 electoral reform and came into being at the following general election in 2017. It consists of the communes of Chiguayante, Concepción, Coronel, Florida, Hualpén, Hualqui, Penco, San Pedro de la Paz, Santa Juana, Talcahuano and Tomé in the region of BiobÃÂo. The district currently elects eight of the 155 members of the Chamber of Deputies using the open party-list proportional representation electoral system. At the 2021 general election the district had 795,584 registered electors.
District 20 currently elects eight of the 155 members of the Chamber of Deputies using the open party-list proportional representation electoral system. Parties may form electoral pacts with each other to pool their votes and increase their chances of winning seats. However, the number of candidates nominated by an electoral pact may not exceed the maximum number of candidates that a single party may nominate. Seats are allocated using the D'Hondt method.
Results of the 2021 general election held on 21 November 2021:
The following candidates were elected: MarÃÂa Candelaria Acevedo (PC), 7,016 votes; Eric Aedo (PDC), 10,712 votes; Roberto Arroyo (PDG), 9,458 votes; Sergio Bobadilla (UDI), 23,683 votes; Félix González (PEV), 30,168 votes; Francesca Muñoz (RN), 32,098 votes; Marlene Pérez (UDI), 18,510 votes; and Leonidas Romero (RN), 11,778 votes.
Results of the 2017 general election held on 19 November 2017:
The following candidates were elected: Sergio Bobadilla (UDI), 18,432 votes; Félix González (PEV), 18,397 votes; Francesca Muñoz (RN), 23,165 votes; José Miguel Ortiz (PDC), 29,496 votes; Leonidas Romero (RN), 11,414 votes; Enrique van Rysselberghe Herrera (UDI), 28,757 votes; Gastón Saavedra (PS), 30,557 votes; and Jaime Tohá (PS), 8,145 votes.