2020 Puerto Rico House of Representatives election

The 2020 Puerto Rico House of Representative election was held on November 3, 2020, to elect the members of the 31st House of Representatives of Puerto Rico, concurrently with the election of the governor, the Resident Commissioner, the Senate, and the mayors of the 78 municipalities. The winners were elected to a four-year term from January 3, 2021, to January 3, 2025.

The New Progressive Party lost their 2/3 majority. The Popular Democratic Party narrowly surpassed the 26-seat threshold, and acquired the 1/2 majority. The Puerto Rican Independence Party retained their seat, while the Citizen's Victory Movement and Project Dignity gained two and one seat, respectively.

Summary
172 candidates were running for representative:


 * New Progressive Party (PNP) had 46 candidates, 30 of whom were incumbent.
 * Popular Democratic Party (PPD) had 46 candidates, 11 of whom were incumbent.
 * Puerto Rican Independence Party (PIP) had 41 candidates, one of whom was incumbent.
 * Citizen’s Victory Movement (MVC) had 28 candidates.
 * Project Dignity (PD) had eight candidates.
 * Three candidates were independent.

Summary
! rowspan="2" colspan="2" style="text-align:center;" | Parties ! style="text-align:center;" colspan="3" | District ! style="text-align:center;" colspan="3" | At-large ! rowspan="2" style="text-align:center;" colspan="1" | Total seats ! rowspan="2" style="text-align:center;" colspan="1" | Composition ! rowspan="2" style="text-align:center;" colspan="1" | ± ! style="text-align:center;" | Votes ! style="text-align:center;" | % ! style="text-align:center;" | Seats ! style="text-align:center;" | Votes ! style="text-align:center;" | % ! style="text-align:center;" | Seats
 * colspan=15 align=center|[[File:31st House of Representatives of Puerto Rico.svg]]
 * - style="background-color:#E9E9E9"
 * - style="background-color:#E9E9E9"
 * - style="background-color:#E9E9E9"
 * - style="text-align:right;"
 * bgcolor=#cc0033|
 * style="text-align:left;" | Popular Democratic Party (PPD)
 * 436,522
 * 39.04%
 * 24
 * 414,283
 * 35.84%
 * 2
 * 26
 * 10
 * - style="text-align:right;"
 * bgcolor=#0000cc width=3 |
 * style="text-align:left;" | New Progressive Party (PNP)
 * 435,930
 * 38.99%
 * 16
 * 387,934
 * 33.57%
 * 5
 * 21
 * 13
 * - style="text-align:right;"
 * bgcolor=#CFB53B |
 * style="text-align:left;" | Citizen's Victory Movement (MVC)
 * 125,489
 * 11.22%
 * 0
 * 151,409
 * 13.10%
 * 2
 * 2
 * 2
 * - style="text-align:right;"
 * bgcolor=#33cc66 |
 * style="text-align:left;" | Puerto Rican Independence Party (PIP)
 * 98,864
 * 8.84%
 * 0
 * 122,973
 * 10.64%
 * 1
 * 1
 * - style="text-align:right;"
 * bgcolor=#00B7EB |
 * style="text-align:left;" | Project Dignity (PD)
 * 18,264
 * 1.63%
 * 0
 * 79,166
 * 6.85%
 * 1
 * 1
 * 1
 * - style="text-align:right;"
 * style="text-align:left;" | Independents
 * 3,059
 * 0.27%
 * 0
 * 0
 * 0
 * 0
 * 0
 * - style="background-color=#0000cc;text-align:right;"
 * align=left colspan=2|Total
 * 1,118,128
 * 100.0
 * 40
 * 1,155,765
 * 100.0
 * 11
 * 51
 * }
 * align=left colspan=2|Total
 * 1,118,128
 * 100.0
 * 40
 * 1,155,765
 * 100.0
 * 11
 * 51
 * }
 * }
 * }
 * }