| Election | Apruebo Dignidad AD / FA | Green Ecologists PEV | Dignidad Ahora DA | New Social Pact NPS / NM | Democratic Convergence CD | Chile Vamos Podemos / Vamos | Party of the People PDG | Christian Social Front FSC |
| | | | | | | |
| Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats |
| 2021 | 49,571 | 20.93% | 2 | 13,140 | 5.55% | 0 | 9,979 | 4.21% | 0 | 47,579 | 20.09% | 2 | | | | 54,927 | 23.19% | 2 | 28,786 | 12.16% | 1 | 18,227 | 7.70% | 0 |
| 2017 | 21,665 | 9.34% | 0 | | | | | | | 62,909 | 27.12% | 2 | 36,402 | 15.69% | 1 | 66,037 | 28.47% | 3 | | | | | | |
Results of the 2021 general election held on 21 November 2021:[10][11]
| Party | Pact | Party | Pact |
| Votes per province | Total votes | % | Seats | Votes | % | Seats |
| Choapa | Elqui | Limarí |
| Independent Democratic Union | UDI | | Chile Podemos + | 3,590 | 27,527 | 8,027 | 39,144 | 16.53% | 2 | 54,927 | 23.19% | 2 |
| National Renewal | RN | 2,402 | 9,264 | 4,117 | 15,783 | 6.66% | 0 |
| Communist Party of Chile | PC | | Apruebo Dignidad | 3,383 | 15,584 | 5,568 | 24,535 | 10.36% | 2 | 49,571 | 20.93% | 2 |
| Social Convergence | CS | 1,616 | 7,324 | 2,677 | 11,617 | 4.91% | 0 |
| Social Green Regionalist Federation | FREVS | 179 | 8,110 | 425 | 8,714 | 3.68% | 0 |
| Comunes | COM | 262 | 3,821 | 622 | 4,705 | 1.99% | 0 |
| Christian Democratic Party | PDC | | New Social Pact | 1,826 | 16,736 | 3,515 | 22,077 | 9.32% | 1 | 47,579 | 20.09% | 2 |
| Socialist Party of Chile | PS | 825 | 11,649 | 2,554 | 15,028 | 6.35% | 1 |
| Party for Democracy | PPD | 4,831 | 2,074 | 915 | 7,820 | 3.30% | 0 |
| Radical Party of Chile | PR | 267 | 1,485 | 902 | 2,654 | 1.12% | 0 |
| Party of the People | PDG | | | 3,715 | 17,060 | 8,011 | 28,786 | 12.16% | 1 | 28,786 | 12.16% | 1 |
| Republican Party | REP | | Christian Social Front | 1,605 | 12,772 | 3,850 | 18,227 | 7.70% | 0 | 18,227 | 7.70% | 0 |
| Green Ecologist Party | PEV | | | 1,669 | 8,474 | 2,997 | 13,140 | 5.55% | 0 | 13,140 | 5.55% | 0 |
| United Centre | CU | | United Independents | 1,211 | 7,288 | 2,151 | 10,650 | 4.50% | 0 | 10,650 | 4.50% | 0 |
| Equality Party | IGUAL | | Dignidad Ahora | 694 | 4,417 | 1,487 | 6,598 | 2.79% | 0 | 9,979 | 4.21% | 0 |
| Humanist Party | PH | 471 | 1,537 | 1,373 | 3,381 | 1.43% | 0 |
| Progressive Party | PRO | | | 444 | 2,536 | 982 | 3,962 | 1.67% | 0 | 3,962 | 1.67% | 0 |
| Valid votes | 28,990 | 157,658 | 50,173 | 236,821 | 100.00% | 7 | 236,821 | 100.00% | 7 |
| Blank votes | 3,186 | 8,474 | 5,286 | 16,946 | 6.36% | | | | |
| Rejected votes – other | 1,681 | 8,110 | 3,059 | 12,850 | 4.82% | | | | |
| Total polled | 33,857 | 174,242 | 58,518 | 266,617 | 42.76% | | | | |
| Registered electors | 79,469 | 395,399 | 148,712 | 623,580 | | | | | |
| Turnout | 42.60% | 44.07% | 39.35% | 42.76% | | | | | |
The following candidates were elected:[10][11]
Nathalie Castillo (PC), 12,304 votes; Ricardo Cifuentes (PDC), 11,439 votes; Juan Fuenzalida (UDI), 9,220 votes; Daniel Manouchehri (PS), 12,292 votes; Víctor Alejandro Pino (PDG), 9,275 votes; Marco Antonio Sulantay (UDI), 18,248 votes; and Carolina Tello (PC), 12,231 votes.
Results of the 2017 general election held on 19 November 2017:[12][13]
| Party | Pact | Party | Pact |
| Votes per province | Total votes | % | Seats | Votes | % | Seats |
| Choapa | Elqui | Limarí |
| Independent Democratic Union | UDI | | Chile Vamos | 1,732 | 28,059 | 7,484 | 37,275 | 16.07% | 2 | 66,037 | 28.47% | 3 |
| National Renewal | RN | 1,789 | 19,775 | 7,198 | 28,762 | 12.40% | 1 |
| Socialist Party of Chile | PS | | Nueva Mayoría | 6,899 | 11,176 | 3,471 | 21,546 | 9.29% | 1 | 62,909 | 27.12% | 2 |
| Communist Party of Chile | PC | 2,104 | 9,515 | 5,576 | 17,195 | 7.41% | 1 |
| Social Democrat Radical Party | PRSD | 836 | 10,577 | 3,960 | 15,373 | 6.63% | 0 |
| Party for Democracy | PPD | 953 | 1,929 | 5,913 | 8,795 | 3.79% | 0 |
| Christian Democratic Party | PDC | | Democratic Convergence | 7,978 | 18,725 | 9,699 | 36,402 | 15.69% | 1 | 36,402 | 15.69% | 1 |
| Social Green Regionalist Federation | FREVS | | Green Regionalist Coalition | 691 | 22,055 | 1,646 | 24,392 | 10.52% | 1 | 24,392 | 10.52% | 1 |
| Democratic Revolution | RD | | Broad Front | 846 | 10,163 | 3,141 | 14,150 | 6.10% | 0 | 21,665 | 9.34% | 0 |
| Equality Party | IGUAL | 346 | 2,776 | 663 | 3,785 | 1.63% | 0 |
| Green Ecologist Party | PEV | 211 | 2,155 | 460 | 2,826 | 1.22% | 0 |
| Humanist Party | PH | 106 | 609 | 189 | 904 | 0.39% | 0 |
| Amplitude | AMP | | Sumemos | 4,900 | 6,950 | 2,006 | 13,856 | 5.97% | 0 | 13,856 | 5.97% | 0 |
| Andrea Guzman Herrera (Independent) | Ind | | | 436 | 3,896 | 1,170 | 5,502 | 2.37% | 0 | 5,502 | 2.37% | 0 |
| Progressive Party | PRO | | All Over Chile | 123 | 769 | 291 | 1,183 | 0.51% | 0 | 1,183 | 0.51% | 0 |
| Valid votes | 29,950 | 149,129 | 52,867 | 231,946 | 100.00% | 7 | 231,946 | 100.00% | 7 |
| Blank votes | 2,297 | 7,967 | 4,342 | 14,606 | 5.68% | | | | |
| Rejected votes – other | 1,222 | 6,927 | 2,277 | 10,426 | 4.06% | | | | |
| Total polled | 33,469 | 164,023 | 59,486 | 256,978 | 44.51% | | | | |
| Registered electors | 75,405 | 359,189 | 142,727 | 577,321 | | | | | |
| Turnout | 44.39% | 45.66% | 41.68% | 44.51% | | | | | |
The following candidates were elected:[12][13]
Francisco Eguiguren (RN), 11,132 votes; Juan Fuenzalida (UDI), 4,331 votes; Sergio Gahona (UDI), 27,332 votes; Daniel Núñez (PC), 15,300 votes; Raúl Saldívar (PS), 11,077 votes; Pedro Velásquez (FREVS), 22,587 votes; and Matías Walker (PDC), 15,468 votes.