# Results breakdown of the 1987 Spanish local elections (Basque Country)

This is the results breakdown of the local elections held in the Basque Country on 10 June 1987. The following tables show detailed results in the autonomous community's most populous municipalities, sorted alphabetically.

## Overall

Councillor share for parties securing >1.0% of councillors up for election.
← Summary of the 10 June 1987 municipal election results in the Basque Country → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Councillors | Councillors |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Basque Nationalist Party (EAJ/PNV) | 240,293 | 22.23 | –16.96 | 816 | –441 |
| | Popular Unity (HB) | 206,095 | 19.07 | +5.44 | 531 | +204 |
| | Socialist Party of the Basque Country (PSE–PSOE) | 201,778 | 18.67 | –7.03 | 277 | –76 |
| | Basque Solidarity (EA) | 193,197 | 17.87 | New | 442 | +442 |
| | Basque Country Left (EE) | 101,806 | 9.42 | +2.10 | 155 | +33 |
| | People's Alliance (AP)$^1$ | 58,109 | 5.38 | –2.39 | 54 | –43 |
| | Democratic and Social Centre (CDS) | 32,284 | 2.99 | +2.52 | 8 | +6 |
| | United Left (IU/EB) | 8,538 | 0.79 | New | 1 | +1 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 7,628 | 0.71 | –1.37 | 1 | –13 |
| | People's Democratic Party–Liberal Party (PDP–PL) | 1,574 | 0.15 | New | 0 | ±0 |
| | Others | 19,022 | 1.76 | — | 220 | –60 |
| Blank ballots | Blank ballots | 10,668 | 0.99 | +0.30 | | |
| Total | Total | 1,080,992 | | | 2,505 | +53 |
| Valid votes | Valid votes | 1,080,992 | 99.00 | +0.34 | | |
| Invalid votes | Invalid votes | 10,903 | 1.00 | –0.34 | | |
| Votes cast / turnout | Votes cast / turnout | 1,091,895 | 67.56 | +2.86 | | |
| Abstentions | Abstentions | 524,222 | 32.44 | –2.86 | | |
| Registered voters | Registered voters | 1,616,117 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 elections.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 elections. |||||||
Popular vote
EAJ/PNV
22.23%
HB
19.07%
PSE–PSOE
18.67%
EA
17.87%
EE
9.42%
AP
5.38%
CDS
2.99%
Others
3.40%
Blank ballots
0.99% :

## City control

The following table lists party control in the most populous municipalities, including provincial capitals (shown in bold). Gains for a party are displayed with the cell's background shaded in that party's colour.
| Municipality | Population | Previous control | New control |
| Barakaldo | 114,094 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Basauri | 51,931 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Bilbao | 381,506 | Basque Nationalist Party (EAJ/PNV) | Basque Nationalist Party (EAJ/PNV) |
| Donostia-San Sebastián | 171,885 | Basque Nationalist Party (EAJ/PNV) | Basque Solidarity (EA) |
| Getxo | 77,856 | Basque Nationalist Party (EAJ/PNV) | Basque Nationalist Party (EAJ/PNV) |
| Irún | 54,043 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Portugalete | 57,794 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Rentería | 43,676 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Santurtzi | 52,502 | Socialist Party of the Basque Country (PSE–PSOE) | Socialist Party of the Basque Country (PSE–PSOE) |
| Vitoria-Gasteiz | 199,449 | Basque Solidarity (EA) | Basque Solidarity (EA) (PNV in 1990) |

## Municipalities
### Barakaldo

    Population: 114,094
← Summary of the 10 June 1987 City Council of Barakaldo election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 15,351 | 27.79 | –9.60 | 9 | –2 |
| | Basque Nationalist Party (EAJ/PNV) | 11,895 | 21.53 | –10.07 | 6 | –4 |
| | Popular Unity (HB) | 9,232 | 16.71 | +5.58 | 5 | +2 |
| | Basque Solidarity (EA) | 5,247 | 9.50 | New | 3 | +3 |
| | Basque Country Left (EE) | 5,160 | 9.34 | +3.91 | 3 | +2 |
| | Democratic and Social Centre (CDS) | 3,219 | 5.83 | New | 1 | +1 |
| | People's Alliance (AP)$^1$ | 2,620 | 4.74 | –3.20 | 0 | –2 |
| | United Left (IU/EB) | 807 | 1.46 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 793 | 1.44 | –2.50 | 0 | ±0 |
| | People's Democratic Party (PDP) | 160 | 0.29 | New | 0 | ±0 |
| | Internationalist Socialist Workers' Party (POSI) | 139 | 0.25 | New | 0 | ±0 |
| | Humanist Platform (PH) | 97 | 0.18 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 523 | 0.95 | +0.61 | | |
| Total | Total | 55,243 | | | 27 | ±0 |
| Valid votes | Valid votes | 55,243 | 99.17 | +0.32 | | |
| Invalid votes | Invalid votes | 462 | 0.83 | –0.32 | | |
| Votes cast / turnout | Votes cast / turnout | 55,705 | 63.90 | –1.14 | | |
| Abstentions | Abstentions | 31,465 | 36.10 | +1.14 | | |
| Registered voters | Registered voters | 87,170 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Basauri

    Population: 51,931
← Summary of the 10 June 1987 City Council of Basauri election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 6,319 | 25.91 | –10.89 | 8 | –2 |
| | Basque Nationalist Party (EAJ/PNV) | 5,894 | 24.17 | –8.46 | 7 | –2 |
| | Popular Unity (HB) | 4,410 | 18.08 | +7.26 | 5 | +2 |
| | Basque Country Left (EE) | 2,271 | 9.31 | +2.79 | 3 | +2 |
| | Basque Solidarity (EA) | 2,057 | 8.43 | New | 2 | +2 |
| | Democratic and Social Centre (CDS) | 1,112 | 4.56 | New | 0 | ±0 |
| | People's Alliance (AP)$^1$ | 961 | 3.94 | –2.96 | 0 | –2 |
| | United Left (IU/EB) | 565 | 2.32 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 410 | 1.68 | –2.84 | 0 | ±0 |
| | Humanist Platform (PH) | 100 | 0.41 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 291 | 1.19 | +0.94 | | |
| Total | Total | 24,390 | | | 25 | ±0 |
| Valid votes | Valid votes | 24,390 | 98.93 | +0.13 | | |
| Invalid votes | Invalid votes | 265 | 1.07 | –0.13 | | |
| Votes cast / turnout | Votes cast / turnout | 24,655 | 64.67 | +1.06 | | |
| Abstentions | Abstentions | 13,468 | 35.33 | –1.06 | | |
| Registered voters | Registered voters | 38,123 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Bilbao

    Population: 381,506
← Summary of the 10 June 1987 City Council of Bilbao election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Basque Nationalist Party (EAJ/PNV) | 53,157 | 28.02 | –8.36 | 9 | –2 |
| | Socialist Party of the Basque Country (PSE–PSOE) | 39,078 | 20.60 | –7.06 | 7 | –2 |
| | Popular Unity (HB) | 28,199 | 14.87 | +4.87 | 5 | +2 |
| | Basque Solidarity (EA) | 20,539 | 10.83 | New | 3 | +3 |
| | Basque Country Left (EE) | 17,350 | 9.15 | +2.08 | 3 | +1 |
| | People's Alliance (AP)$^1$ | 16,564 | 8.73 | –5.63 | 2 | –2 |
| | Democratic and Social Centre (CDS) | 9,398 | 4.95 | +4.01 | 0 | ±0 |
| | United Left (IU/EB) | 1,347 | 0.71 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 897 | 0.47 | –1.03 | 0 | ±0 |
| | People's Democratic Party (PDP) | 375 | 0.20 | New | 0 | ±0 |
| | Humanist Platform (PH) | 330 | 0.17 | New | 0 | ±0 |
| | Republican Popular Unity (UPR) | 306 | 0.16 | New | 0 | ±0 |
| | Basque Social Democratic Party (PSDV) | 252 | 0.13 | New | 0 | ±0 |
| | Internationalist Socialist Workers' Party (POSI) | 219 | 0.12 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 1,681 | 0.89 | +0.47 | | |
| Total | Total | 189,692 | | | 29 | ±0 |
| Valid votes | Valid votes | 189,692 | 99.12 | +0.22 | | |
| Invalid votes | Invalid votes | 1,686 | 0.88 | –0.22 | | |
| Votes cast / turnout | Votes cast / turnout | 191,378 | 63.99 | +1.13 | | |
| Abstentions | Abstentions | 107,709 | 36.01 | –1.13 | | |
| Registered voters | Registered voters | 299,087 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Donostia-San Sebastián

    Population: 171,885
← Summary of the 10 June 1987 City Council of Donostia-San Sebastián election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Basque Solidarity (EA) | 20,527 | 24.31 | New | 7 | +7 |
| | Popular Unity (HB) | 17,478 | 20.70 | +2.96 | 6 | +1 |
| | Socialist Party of the Basque Country (PSE–PSOE) | 13,510 | 16.00 | –7.80 | 5 | –2 |
| | Basque Country Left (EE) | 10,962 | 12.98 | +4.48 | 4 | +2 |
| | People's Alliance (AP)$^1$ | 10,152 | 12.02 | –0.46 | 3 | ±0 |
| | Basque Nationalist Party (EAJ/PNV) | 7,773 | 9.20 | –25.71 | 2 | –8 |
| | Democratic and Social Centre (CDS) | 2,451 | 2.90 | +1.87 | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 444 | 0.53 | –0.60 | 0 | ±0 |
| | United Left (IU/EB) | 244 | 0.29 | New | 0 | ±0 |
| | People's Democratic Party–Liberal Party (PDP–PL) | 181 | 0.21 | New | 0 | ±0 |
| | Humanist Platform (PH) | 108 | 0.13 | New | 0 | ±0 |
| | Zirika Coalition (CZ) | 2 | 0.00 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 623 | 0.74 | +0.33 | | |
| Total | Total | 84,455 | | | 27 | ±0 |
| Valid votes | Valid votes | 84,455 | 99.11 | –0.29 | | |
| Invalid votes | Invalid votes | 761 | 0.89 | +0.29 | | |
| Votes cast / turnout | Votes cast / turnout | 85,216 | 63.75 | +5.27 | | |
| Abstentions | Abstentions | 48,466 | 36.25 | –5.27 | | |
| Registered voters | Registered voters | 133,682 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Getxo

    Population: 77,856
← Summary of the 10 June 1987 City Council of Getxo election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Basque Nationalist Party (EAJ/PNV) | 11,379 | 31.63 | –14.32 | 9 | –3 |
| | Popular Unity (HB) | 5,214 | 14.50 | +4.39 | 4 | +2 |
| | Basque Solidarity (EA) | 5,190 | 14.43 | New | 4 | +4 |
| | People's Alliance (AP)$^1$ | 5,125 | 14.25 | –5.34 | 4 | –1 |
| | Basque Country Left (EE) | 3,720 | 10.34 | +2.86 | 2 | ±0 |
| | Socialist Party of the Basque Country (PSE–PSOE) | 3,465 | 9.63 | –5.58 | 2 | –2 |
| | Democratic and Social Centre (CDS) | 1,205 | 3.35 | New | 0 | ±0 |
| | People's Democratic Party (PDP) | 152 | 0.42 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 145 | 0.40 | –0.84 | 0 | ±0 |
| | Humanist Platform (PH) | 113 | 0.31 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 263 | 0.73 | +0.30 | | |
| Total | Total | 35,971 | | | 25 | ±0 |
| Valid votes | Valid votes | 35,971 | 99.43 | +0.20 | | |
| Invalid votes | Invalid votes | 208 | 0.57 | –0.20 | | |
| Votes cast / turnout | Votes cast / turnout | 36,179 | 64.24 | –2.64 | | |
| Abstentions | Abstentions | 20,143 | 35.76 | +2.64 | | |
| Registered voters | Registered voters | 56,322 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Irún

    Population: 54,043
← Summary of the 10 June 1987 City Council of Irún election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 8,148 | 32.39 | –4.62 | 9 | –1 |
| | Basque Solidarity (EA) | 4,314 | 17.15 | New | 5 | +5 |
| | Popular Unity (HB) | 3,904 | 15.52 | +6.19 | 4 | +2 |
| | Basque Country Left (EE) | 2,801 | 11.13 | +2.86 | 3 | +1 |
| | Basque Nationalist Party (EAJ/PNV) | 2,315 | 9.20 | –20.34 | 2 | –6 |
| | People's Alliance (AP)$^1$ | 1,469 | 5.84 | –2.25 | 1 | –1 |
| | Democratic and Social Centre (CDS) | 1,423 | 5.66 | New | 1 | +1 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 260 | 1.03 | –0.60 | 0 | ±0 |
| | United Left (IU/EB) | 160 | 0.64 | New | 0 | ±0 |
| | Republican Popular Unity (UPR) | 57 | 0.23 | New | 0 | ±0 |
| | Humanist Platform (PH) | 54 | 0.21 | New | 0 | ±0 |
| | Uranzu–Independent Candidacy (Uranzu) | n/a | n/a | –5.66 | 0 | –1 |
| Blank ballots | Blank ballots | 251 | 1.00 | +0.53 | | |
| Total | Total | 25,156 | | | 25 | ±0 |
| Valid votes | Valid votes | 25,156 | 98.99 | +0.15 | | |
| Invalid votes | Invalid votes | 257 | 1.01 | –0.15 | | |
| Votes cast / turnout | Votes cast / turnout | 25,413 | 63.51 | –0.06 | | |
| Abstentions | Abstentions | 14,604 | 36.49 | +0.06 | | |
| Registered voters | Registered voters | 40,017 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Portugalete

    Population: 57,794
← Summary of the 10 June 1987 City Council of Portugalete election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 8,779 | 31.94 | –16.18 | 10 | –3 |
| | Basque Nationalist Party (EAJ/PNV) | 4,166 | 15.16 | –4.83 | 5 | ±0 |
| | Popular Unity (HB) | 3,906 | 14.21 | +4.85 | 4 | +2 |
| | Basque Country Left (EE) | 3,235 | 11.77 | +4.83 | 3 | +1 |
| | Basque Solidarity (EA) | 1,934 | 7.04 | New | 2 | +2 |
| | Democratic and Social Centre (CDS) | 1,435 | 5.22 | New | 1 | +1 |
| | People's Alliance (AP)$^1$ | 1,304 | 4.74 | –3.37 | 0 | –2 |
| | Portugalete Neighbours Association (AVP) | 1,181 | 4.30 | +2.43 | 0 | ±0 |
| | United Left (IU/EB) | 712 | 2.59 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 558 | 2.03 | –3.20 | 0 | –1 |
| | Humanist Platform (PH) | 59 | 0.21 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 215 | 0.78 | +0.40 | | |
| Total | Total | 27,484 | | | 25 | ±0 |
| Valid votes | Valid votes | 27,484 | 99.42 | +0.76 | | |
| Invalid votes | Invalid votes | 161 | 0.58 | –0.76 | | |
| Votes cast / turnout | Votes cast / turnout | 27,645 | 63.76 | –1.77 | | |
| Abstentions | Abstentions | 15,713 | 36.24 | +1.77 | | |
| Registered voters | Registered voters | 43,358 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Rentería

    Population: 43,676
← Summary of the 10 June 1987 City Council of Rentería election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 6,532 | 31.56 | –8.06 | 7 | –2 |
| | Popular Unity (HB) | 5,754 | 27.80 | +4.69 | 7 | +2 |
| | Basque Solidarity (EA) | 3,256 | 15.73 | New | 3 | +3 |
| | Basque Country Left (EE) | 2,664 | 12.87 | +0.37 | 3 | ±0 |
| | Basque Nationalist Party (EAJ/PNV) | 1,214 | 5.87 | –15.87 | 1 | –3 |
| | People's Alliance (AP) | 710 | 3.43 | New | 0 | ±0 |
| | United Left (IU/EB) | 321 | 1.55 | New | 0 | ±0 |
| | Humanist Platform (PH) | 44 | 0.21 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 204 | 0.99 | +0.19 | | |
| Total | Total | 20,699 | | | 25 | ±0 |
| Valid votes | Valid votes | 20,699 | 98.99 | +0.44 | | |
| Invalid votes | Invalid votes | 211 | 1.01 | –0.44 | | |
| Votes cast / turnout | Votes cast / turnout | 20,910 | 65.93 | +4.39 | | |
| Abstentions | Abstentions | 10,806 | 34.07 | –4.39 | | |
| Registered voters | Registered voters | 31,716 | | | | |
| Sources |||||||

### Santurtzi

    Population: 52,502
← Summary of the 10 June 1987 City Council of Santurtzi election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Socialist Party of the Basque Country (PSE–PSOE) | 7,398 | 30.55 | –8.50 | 9 | –1 |
| | Popular Unity (HB) | 4,719 | 19.49 | +4.85 | 6 | +2 |
| | Basque Nationalist Party (EAJ/PNV) | 3,923 | 16.20 | –10.63 | 4 | –3 |
| | Basque Solidarity (EA) | 2,792 | 11.53 | New | 3 | +3 |
| | Basque Country Left (EE) | 2,371 | 9.79 | +2.20 | 3 | +1 |
| | People's Alliance (AP)$^1$ | 1,064 | 4.39 | –2.82 | 0 | –2 |
| | Democratic and Social Centre (CDS) | 787 | 3.25 | New | 0 | ±0 |
| | United Left (IU/EB) | 555 | 2.29 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 262 | 1.08 | –3.34 | 0 | ±0 |
| | People's Democratic Party (PDP) | 89 | 0.37 | New | 0 | ±0 |
| | Humanist Platform (PH) | 46 | 0.19 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 208 | 0.86 | +0.59 | | |
| Total | Total | 24,214 | | | 25 | ±0 |
| Valid votes | Valid votes | 24,214 | 99.07 | +0.36 | | |
| Invalid votes | Invalid votes | 228 | 0.93 | –0.36 | | |
| Votes cast / turnout | Votes cast / turnout | 24,442 | 62.99 | +0.88 | | |
| Abstentions | Abstentions | 14,358 | 37.01 | –0.88 | | |
| Registered voters | Registered voters | 38,800 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||

### Vitoria-Gasteiz

    Population: 199,449
← Summary of the 10 June 1987 City Council of Vitoria-Gasteiz election results → :
| Parties and alliances | Parties and alliances | Popular vote | Popular vote | Popular vote | Seats | Seats |
| Parties and alliances | Parties and alliances | Votes | % | ±pp | Total | +/− |
| | Basque Solidarity (EA) | 31,238 | 32.53 | New | 10 | +10 |
| | Socialist Party of the Basque Country (PSE–PSOE) | 19,213 | 20.01 | –11.66 | 6 | –3 |
| | Popular Unity (HB) | 10,790 | 11.24 | +2.66 | 3 | +1 |
| | Basque Nationalist Party (EAJ/PNV) | 8,705 | 9.07 | –26.32 | 2 | –9 |
| | Democratic and Social Centre (CDS) | 8,300 | 8.64 | +6.30 | 2 | +2 |
| | People's Alliance (AP)$^1$ | 8,072 | 8.41 | –6.11 | 2 | –2 |
| | Basque Country Left (EE) | 6,299 | 6.56 | +0.76 | 2 | +1 |
| | Left Socialist Coordinator (CSI) | 745 | 0.78 | New | 0 | ±0 |
| | People's Democratic Party (PDP) | 617 | 0.64 | New | 0 | ±0 |
| | United Left (IU/EB) | 446 | 0.46 | New | 0 | ±0 |
| | Workers' Party of Spain–Communist Unity (PTE–UC)$^2$ | 437 | 0.46 | –0.82 | 0 | ±0 |
| | Humanist Platform (PH) | 183 | 0.19 | New | 0 | ±0 |
| Blank ballots | Blank ballots | 973 | 1.01 | +0.59 | | |
| Total | Total | 96,018 | | | 27 | ±0 |
| Valid votes | Valid votes | 96,018 | 99.09 | +0.35 | | |
| Invalid votes | Invalid votes | 877 | 0.91 | –0.35 | | |
| Votes cast / turnout | Votes cast / turnout | 96,895 | 66.78 | +0.86 | | |
| Abstentions | Abstentions | 48,211 | 33.22 | –0.86 | | |
| Registered voters | Registered voters | 145,106 | | | | |
| Sources |||||||
| Footnotes: $^1$ People's Alliance results are compared to People's Coalition totals in the 1983 election.$^2$ Workers' Party of Spain–Communist Unity results are compared to Communist Party of the Basque Country totals in the 1983 election. |||||||