Spain: Basque Country
Contents: País Vasco
Autonomous Community
2,212,628 Population [2021] – census
2,242,343 Population [2025] – register
7,235km² Area
309.9/km² Density [2025]
Provinces
The population of all provinces in the Autonomous Community of Basque Country (País Vasco, Euskal Herriko) according to census results and latest official estimates.
| Name | Status | Population Census 1981-03-01 | Population Census 1991-03-01 | Population Census 2001-11-01 | Population Census 2011-11-01 | Population Census 2021-01-01 | Population Register 2025-01-01 | |
|---|---|---|---|---|---|---|---|---|
| Araba (Álava) | Province | 257,850 | 272,447 | 286,387 | 320,783 | 333,485 | 341,961 | → |
| Bizkaia (Vizcaya) [Biscay] | Province | 1,189,278 | 1,155,106 | 1,122,637 | 1,156,194 | 1,153,635 | 1,167,233 | → |
| Gipuzkoa (Guipúzcoa) | Province | 694,681 | 676,488 | 673,563 | 708,428 | 725,508 | 733,149 | → |
| País Vasco (Euskal Herriko) [Basque Country] | Autonomous Community | 2,141,809 | 2,104,041 | 2,082,587 | 2,185,405 | 2,212,628 | 2,242,343 |
Contents: Municipalities
The population of all municipalities in the Autonomous Community of Basque Country (País Vasco, Euskal Herriko) according to census results and latest official estimates.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, citizenship, country of birth).| Name | Status | Province | Population Census 1981-03-01 | Population Census 1991-03-01 | Population Census 2001-11-01 | Population Census 2011-11-01 | Population Census 2021-01-01 | Population Register 2025-01-01 | |
|---|---|---|---|---|---|---|---|---|---|
| Abadiño (Abadiano) | Municipality | Bizkaia | 6,609 | 7,070 | 6,843 | 7,350 | 7,607 | 7,786 | → |
| Abaltzisketa (Abalcisqueta) | Municipality | Gipuzkoa | 313 | 284 | 277 | 320 | 312 | 320 | → |
| Abanto y Ciérvana-Abanto Zierbena (Abanto y Ciérvana) | Municipality | Bizkaia | 8,589 | 8,379 | 9,036 | 9,742 | 9,445 | 9,389 | → |
| Aduna | Municipality | Gipuzkoa | 333 | 296 | 333 | 451 | 478 | 500 | → |
| Agurain (Salvatierra) | Municipality | Araba | 3,604 | 3,650 | 4,006 | 4,937 | 5,022 | 5,173 | → |
| Aia (Aya) | Municipality | Gipuzkoa | 1,935 | 1,681 | 1,610 | 2,024 | 2,053 | 2,148 | → |
| Aizarnazabal (Aizarnazábal) | Municipality | Gipuzkoa | 513 | 531 | 531 | 761 | 793 | 822 | → |
| Ajangiz (Ajánguiz) | Municipality | Bizkaia | 328 | 361 | 434 | 456 | 483 | 457 | → |
| Albiztur (Albístur) | Municipality | Gipuzkoa | 324 | 303 | 287 | 313 | 315 | 328 | → |
| Alegia (Alegría de Oria) | Municipality | Gipuzkoa | 1,746 | 1,680 | 1,583 | 1,763 | 1,759 | 1,806 | → |
| Alegría-Dulantzi (Alegría de Álava) | Municipality | Araba | 1,037 | 999 | 1,533 | 2,860 | 2,924 | 2,961 | → |
| Alkiza (Alquiza) | Municipality | Gipuzkoa | 272 | 264 | 264 | 365 | 361 | 358 | → |
| Alonsotegi (Alonsótegui) | Municipality | Bizkaia | 4,153 | 3,075 | 2,662 | 2,838 | 2,941 | 2,989 | → |
| Altzaga (Alzaga) | Municipality | Gipuzkoa | 116 | 94 | 106 | 161 | 177 | 165 | → |
| Altzo (Alzo) | Municipality | Gipuzkoa | 338 | 333 | 326 | 407 | 449 | 447 | → |
| Amezketa (Amézqueta) | Municipality | Gipuzkoa | 1,138 | 1,040 | 980 | 969 | 945 | 954 | → |
| Amorebieta-Etxano (Amorebieta-Echano) | Municipality | Bizkaia | 15,655 | 15,818 | 16,182 | 18,400 | 19,536 | 19,639 | → |
| Amoroto | Municipality | Bizkaia | 425 | 391 | 376 | 413 | 412 | 391 | → |
| Amurrio | Municipality | Araba | 9,032 | 9,744 | 9,460 | 10,071 | 10,295 | 10,346 | → |
| Añana | Municipality | Araba | 200 | 190 | 192 | 165 | 154 | 141 | → |
| Andoain (Andoáin) | Municipality | Gipuzkoa | 16,330 | 15,265 | 13,814 | 14,633 | 14,618 | 14,505 | → |
| Anoeta | Municipality | Gipuzkoa | 1,721 | 1,801 | 1,709 | 1,836 | 2,078 | 2,114 | → |
| Antzuola (Anzuola) | Municipality | Gipuzkoa | 2,283 | 2,062 | 1,899 | 2,153 | 2,081 | 2,049 | → |
| Arakaldo (Aracaldo) | Municipality | Bizkaia | 123 | 101 | 95 | 129 | 158 | 156 | → |
| Arama | Municipality | Gipuzkoa | 176 | 143 | 163 | 198 | 199 | 173 | → |
| Aramaio (Aramayona) | Municipality | Araba | 1,438 | 1,310 | 1,466 | 1,507 | 1,456 | 1,353 | → |
| Arantzazu (Aránzazu) | Municipality | Bizkaia | 282 | 284 | 289 | 361 | 402 | 410 | → |
| Areatza (Villaro) | Municipality | Bizkaia | 1,246 | 1,152 | 1,031 | 1,224 | 1,264 | 1,290 | → |
| Aretxabaleta (Arechavaleta) | Municipality | Gipuzkoa | 6,007 | 6,147 | 6,184 | 6,808 | 7,103 | 7,176 | → |
| Armiñón | Municipality | Araba | 157 | 127 | 166 | 227 | 231 | 233 | → |
| Arraia-Maeztu (Arraya-Maestu) | Municipality | Araba | 813 | 695 | 717 | 739 | 799 | 818 | → |
| Arrankudiaga-Zollo (Arrancudiaga) | Municipality | Bizkaia | 852 | 732 | 775 | 954 | 992 | 1,024 | → |
| Arrasate (Mondragón) | Municipality | Gipuzkoa | 26,279 | 25,532 | 23,118 | 21,975 | 21,853 | 22,411 | → |
| Arratzu (Arrazua) | Municipality | Bizkaia | 353 | 351 | 368 | 385 | 423 | 419 | → |
| Arratzua-Ubarrundia (Arrazua-Ubarrundia) | Municipality | Araba | 662 | 651 | 721 | 953 | 1,013 | 1,058 | → |
| Arrieta | Municipality | Bizkaia | 469 | 422 | 521 | 549 | 575 | 582 | → |
| Arrigorriaga | Municipality | Bizkaia | 9,011 | 9,913 | 11,140 | 12,525 | 12,134 | 11,938 | → |
| Artea | Municipality | Bizkaia | 651 | 621 | 644 | 772 | 742 | 743 | → |
| Artzentales (Arcentales) | Municipality | Bizkaia | 707 | 676 | 655 | 753 | 729 | 756 | → |
| Artziniega (Arceniega) | Municipality | Araba | 1,088 | 1,227 | 1,336 | 1,854 | 1,806 | 1,868 | → |
| Asparrena (Aspárrena) | Municipality | Araba | 1,720 | 1,494 | 1,580 | 1,691 | 1,633 | 1,611 | → |
| Asteasu | Municipality | Gipuzkoa | 1,320 | 1,205 | 1,290 | 1,500 | 1,552 | 1,565 | → |
| Astigarraga | Municipality | Gipuzkoa | 3,070 | 3,216 | 3,751 | 4,900 | 7,164 | 7,804 | → |
| Ataun | Municipality | Gipuzkoa | 1,965 | 1,739 | 1,557 | 1,680 | 1,690 | 1,714 | → |
| Atxondo (Axpe Achondo) | Municipality | Bizkaia | 1,369 | 1,525 | 1,427 | 1,428 | 1,363 | 1,338 | → |
| Aulesti (Aulestia) | Municipality | Bizkaia | 723 | 697 | 649 | 672 | 645 | 639 | → |
| Ayala (Aiara) | Municipality | Araba | 2,302 | 2,065 | 2,117 | 2,894 | 2,950 | 2,917 | → |
| Azkoitia (Azcoitia) | Municipality | Gipuzkoa | 11,029 | 10,512 | 10,272 | 11,394 | 11,647 | 11,768 | → |
| Azpeitia | Municipality | Gipuzkoa | 13,196 | 13,427 | 13,708 | 14,429 | 15,178 | 15,297 | → |
| Bakio (Baquio) | Municipality | Bizkaia | 1,189 | 1,238 | 1,727 | 2,588 | 2,774 | 2,856 | → |
| Baliarrain | Municipality | Gipuzkoa | 101 | 99 | 97 | 125 | 152 | 152 | → |
| Balmaseda (Valmaseda) | Municipality | Bizkaia | 7,947 | 7,333 | 7,069 | 7,681 | 7,680 | 7,737 | → |
| Baños de Ebro (Mañueta) | Municipality | Araba | 325 | 332 | 336 | 314 | 286 | 292 | → |
| Barakaldo | Municipality | Bizkaia | 114,462 | 105,088 | 94,478 | 100,064 | 100,847 | 103,084 | → |
| Barrika (Barrica) | Municipality | Bizkaia | 774 | 877 | 1,230 | 1,523 | 1,556 | 1,523 | → |
| Barrundia | Municipality | Araba | 637 | 573 | 640 | 904 | 891 | 882 | → |
| Basauri | Municipality | Bizkaia | 52,554 | 50,224 | 45,085 | 41,777 | 40,574 | 40,262 | → |
| Beasain (Beasáin) | Municipality | Gipuzkoa | 12,111 | 12,322 | 12,108 | 13,719 | 13,897 | 14,019 | → |
| Bedia (Vedia) | Municipality | Bizkaia | 1,201 | 1,036 | 994 | 976 | 1,074 | 1,108 | → |
| Beizama | Municipality | Gipuzkoa | 175 | 175 | 160 | 176 | 145 | 128 | → |
| Belauntza (Belaunza) | Municipality | Gipuzkoa | 328 | 295 | 285 | 287 | 251 | 291 | → |
| Berango | Municipality | Bizkaia | 4,136 | 4,102 | 5,311 | 6,883 | 7,279 | 8,257 | → |
| Berantevilla | Municipality | Araba | 429 | 421 | 459 | 480 | 462 | 475 | → |
| Berastegi (Berástegui) | Municipality | Gipuzkoa | 942 | 969 | 973 | 1,057 | 1,098 | 1,115 | → |
| Bergara (Vergara) | Municipality | Gipuzkoa | 16,049 | 15,567 | 14,965 | 14,610 | 14,561 | 14,415 | → |
| Bermeo | Municipality | Bizkaia | 18,312 | 17,923 | 16,938 | 17,092 | 16,854 | 17,116 | → |
| Bernedo | Municipality | Araba | 633 | 556 | 533 | 572 | 539 | 541 | → |
| Berriatua (Berriatúa) | Municipality | Bizkaia | 1,008 | 1,020 | 987 | 1,242 | 1,236 | 1,225 | → |
| Berriz (Bérriz) | Municipality | Bizkaia | 4,174 | 4,216 | 4,312 | 4,875 | 4,542 | 4,543 | → |
| Berrobi | Municipality | Gipuzkoa | 612 | 603 | 566 | 568 | 591 | 560 | → |
| Bidania-Goiatz (Bidegoyan) | Municipality | Gipuzkoa | 532 | 441 | 427 | 536 | 534 | 532 | → |
| Bilbao | Municipality | Bizkaia | 416,999 | 369,839 | 349,972 | 351,356 | 345,749 | 350,975 | → |
| Busturia | Municipality | Bizkaia | 1,903 | 1,729 | 1,662 | 1,748 | 1,652 | 1,693 | → |
| Campezo (Kanpezu) | Municipality | Araba | 1,277 | 1,143 | 1,071 | 1,146 | 1,080 | 1,071 | → |
| Deba (Deva) | Municipality | Gipuzkoa | 5,018 | 5,012 | 5,185 | 5,402 | 5,433 | 5,374 | → |
| Derio | Municipality | Bizkaia | 5,135 | 4,871 | 4,846 | 5,578 | 6,776 | 7,286 | → |
| Dima | Municipality | Bizkaia | 1,103 | 1,038 | 1,052 | 1,364 | 1,471 | 1,527 | → |
| Donostia (San Sebastián) | Municipality | Gipuzkoa | 169,233 | 171,439 | 178,377 | 185,512 | 187,892 | 189,507 | → |
| Durango | Municipality | Bizkaia | 21,357 | 22,627 | 25,003 | 28,367 | 29,934 | 30,181 | → |
| Ea | Municipality | Bizkaia | 852 | 802 | 810 | 883 | 822 | 822 | → |
| Eibar (Éibar) | Municipality | Gipuzkoa | 36,919 | 32,362 | 28,219 | 27,382 | 27,402 | 27,464 | → |
| Elantxobe (Elanchove) | Municipality | Bizkaia | 580 | 550 | 443 | 409 | 343 | 320 | → |
| Elburgo (Burgelu) | Municipality | Araba | 203 | 202 | 418 | 624 | 633 | 641 | → |
| Elciego | Municipality | Araba | 951 | 908 | 930 | 1,048 | 997 | 970 | → |
| Elduain (Elduayen) | Municipality | Gipuzkoa | 277 | 233 | 210 | 232 | 244 | 249 | → |
| Elgeta (Elgueta) | Municipality | Gipuzkoa | 1,194 | 1,007 | 974 | 1,108 | 1,143 | 1,133 | → |
| Elgoibar (Elgóibar) | Municipality | Gipuzkoa | 12,783 | 11,693 | 10,440 | 11,364 | 11,449 | 11,709 | → |
| Elorrio | Municipality | Bizkaia | 8,015 | 7,432 | 7,157 | 7,294 | 7,408 | 7,306 | → |
| Elvillar (Bilar) | Municipality | Araba | 365 | 361 | 367 | 363 | 325 | 315 | → |
| Erandio | Municipality | Bizkaia | 1,934 | 25,055 | 22,422 | 24,369 | 24,503 | 24,721 | → |
| Ereño | Municipality | Bizkaia | 310 | 277 | 254 | 262 | 264 | 275 | → |
| Ermua | Municipality | Bizkaia | 18,860 | 17,981 | 16,795 | 16,235 | 15,790 | 15,560 | → |
| Errenteria (Rentería) | Municipality | Gipuzkoa | 46,496 | 41,646 | 38,224 | 39,228 | 39,155 | 39,341 | → |
| Errezil (Régil) | Municipality | Gipuzkoa | 762 | 677 | 615 | 612 | 575 | 591 | → |
| Erriberagoitia (Ribera Alta) | Municipality | Araba | 562 | 499 | 522 | 787 | 829 | 842 | → |
| Errigoiti (Rigoitia) | Municipality | Bizkaia | 531 | 440 | 485 | 543 | 486 | 497 | → |
| Eskoriatza (Escoriaza) | Municipality | Gipuzkoa | 4,223 | 3,860 | 3,925 | 4,032 | 4,116 | 4,223 | → |
| Etxebarri (Echévarri) | Municipality | Bizkaia | 6,548 | 6,458 | 7,043 | 10,230 | 11,660 | 12,035 | → |
| Etxebarria (Echevarría) | Municipality | Bizkaia | 726 | 786 | 798 | 806 | 789 | 789 | → |
| Ezkio-Itsaso (Ezquioga-Ichaso) | Municipality | Gipuzkoa | 596 | 545 | 544 | 625 | 614 | 608 | → |
| Forua | Municipality | Bizkaia | 816 | 949 | 987 | 979 | 912 | 928 | → |
| Fruiz (Frúniz) | Municipality | Bizkaia | 294 | 318 | 347 | 513 | 548 | 591 | → |
| Gabiria (Gaviria) | Municipality | Gipuzkoa | 492 | 432 | 422 | 483 | 503 | 521 | → |
| Gaintza (Gaínza) | Municipality | Gipuzkoa | 124 | 123 | 133 | 124 | 128 | 123 | → |
| Galdakao (Galdácano) | Municipality | Bizkaia | 23,021 | 25,065 | 25,889 | 25,062 | 24,857 | 24,767 | → |
| Galdames | Municipality | Bizkaia | 812 | 799 | 799 | 843 | 843 | 830 | → |
| Gamiz-Fika (Gámiz-Fica) | Municipality | Bizkaia | 888 | 891 | 1,227 | 1,342 | 1,382 | 1,415 | → |
| Garai (Garay) | Municipality | Bizkaia | 235 | 256 | 252 | 345 | 329 | 332 | → |
| Gatika (Gatica) | Municipality | Bizkaia | 904 | 931 | 1,295 | 1,623 | 1,673 | 1,634 | → |
| Gautegiz Arteaga (Gautéguiz de Arteaga) | Municipality | Bizkaia | 758 | 752 | 843 | 903 | 844 | 870 | → |
| Gaztelu | Municipality | Gipuzkoa | 143 | 137 | 152 | 163 | 168 | 172 | → |
| Gernika-Lumo (Guernica y Luno) | Municipality | Bizkaia | 15,818 | 15,691 | 15,264 | 16,727 | 17,031 | 17,081 | → |
| Getaria (Guetaria) | Municipality | Gipuzkoa | 2,415 | 2,349 | 2,406 | 2,659 | 2,812 | 2,906 | → |
| Getxo (Guecho) | Municipality | Bizkaia | 67,793 | 79,954 | 82,285 | 80,252 | 77,101 | 75,967 | → |
| Gizaburuaga (Guizaburuaga) | Municipality | Bizkaia | 150 | 128 | 144 | 204 | 199 | 196 | → |
| Gordexola (Gordejuela) | Municipality | Bizkaia | 1,703 | 1,524 | 1,511 | 1,728 | 1,725 | 1,728 | → |
| Gorliz (Górliz) | Municipality | Bizkaia | 2,986 | 2,917 | 4,486 | 5,501 | 6,028 | 6,037 | → |
| Güeñes | Municipality | Bizkaia | 6,531 | 5,878 | 5,831 | 6,403 | 6,700 | 6,815 | → |
| Harana (Valle de Arana) | Municipality | Araba | 453 | 393 | 334 | 283 | 226 | 213 | → |
| Hernani | Municipality | Gipuzkoa | 19,824 | 18,489 | 18,287 | 19,260 | 20,414 | 20,378 | → |
| Hernialde | Municipality | Gipuzkoa | 264 | 287 | 286 | 359 | 319 | 326 | → |
| Hondarribia (Fuenterrabía) | Municipality | Gipuzkoa | 11,380 | 13,524 | 15,044 | 16,391 | 16,837 | 16,768 | → |
| Ibarra | Municipality | Gipuzkoa | 4,392 | 4,463 | 4,208 | 4,273 | 4,219 | 4,099 | → |
| Ibarrangelu (Ibarranguelua) | Municipality | Bizkaia | 522 | 521 | 542 | 636 | 674 | 668 | → |
| Idiazabal (Idiazábal) | Municipality | Gipuzkoa | 2,078 | 2,057 | 2,082 | 2,264 | 2,281 | 2,219 | → |
| Igorre (Yurre) | Municipality | Bizkaia | 3,431 | 3,884 | 3,857 | 4,240 | 4,307 | 4,334 | → |
| Ikaztegieta (Icazteguieta) | Municipality | Gipuzkoa | 409 | 370 | 377 | 469 | 484 | 498 | → |
| Irun (Irún) | Municipality | Gipuzkoa | 53,334 | 53,276 | 56,601 | 60,747 | 62,898 | 63,737 | → |
| Iruña Oka (Iruña de Oca) | Municipality | Araba | 1,763 | 1,502 | 1,953 | 3,043 | 3,471 | 3,697 | → |
| Irura | Municipality | Gipuzkoa | 702 | 632 | 910 | 1,626 | 1,872 | 1,881 | → |
| Iruraiz-Gauna | Municipality | Araba | 477 | 425 | 440 | 540 | 530 | 556 | → |
| Ispaster (Ispáster) | Municipality | Bizkaia | 628 | 618 | 613 | 695 | 756 | 721 | → |
| Itsasondo (Isasondo) | Municipality | Gipuzkoa | 769 | 640 | 576 | 675 | 659 | 688 | → |
| Iurreta (Yurreta) | Municipality | Bizkaia | 5,135 | 4,901 | 4,144 | 3,852 | 3,691 | 3,895 | → |
| Izurtza (Izurza) | Municipality | Bizkaia | 316 | 269 | 266 | 275 | 241 | 223 | → |
| Karrantza Harana (Valle de Carranza) | Municipality | Bizkaia | 3,437 | 3,173 | 2,887 | 2,795 | 2,767 | 2,713 | → |
| Kortezubi (Cortézubi) | Municipality | Bizkaia | 323 | 383 | 363 | 429 | 438 | 449 | → |
| Kripan (Cripán) | Municipality | Araba | 202 | 201 | 190 | 196 | 175 | 175 | → |
| Kuartango (Cuartango) | Municipality | Araba | 352 | 350 | 370 | 355 | 395 | 402 | → |
| Labastida (Bastida) | Municipality | Araba | 986 | 971 | 1,269 | 1,489 | 1,529 | 1,573 | → |
| Lagrán | Municipality | Araba | 238 | 188 | 197 | 182 | 170 | 177 | → |
| Laguardia | Municipality | Araba | 1,585 | 1,486 | 1,401 | 1,541 | 1,469 | 1,468 | → |
| Lanciego (Lantziego) | Municipality | Araba | 617 | 641 | 631 | 690 | 693 | 706 | → |
| Lanestosa | Municipality | Bizkaia | 312 | 312 | 288 | 265 | 259 | 243 | → |
| Lantarón | Municipality | Araba | 827 | 804 | 958 | 909 | 908 | 935 | → |
| Lapuebla de Labarca | Municipality | Araba | 763 | 814 | 852 | 859 | 863 | 895 | → |
| Larrabetzu (Larrabezúa) | Municipality | Bizkaia | 1,629 | 1,472 | 1,551 | 1,979 | 2,082 | 2,037 | → |
| Larraul | Municipality | Gipuzkoa | 180 | 143 | 145 | 247 | 260 | 259 | → |
| Lasarte-Oria | Municipality | Gipuzkoa | 18,538 | 18,131 | 17,195 | 17,830 | 18,843 | 19,413 | → |
| Laudio (Llodio) | Municipality | Araba | 20,896 | 20,475 | 18,931 | 18,461 | 18,005 | 18,063 | → |
| Laukiz (Lauquíniz) | Municipality | Bizkaia | 1,050 | 979 | 995 | 1,132 | 1,239 | 1,241 | → |
| Lazkao (Lazcano) | Municipality | Gipuzkoa | 5,185 | 5,037 | 4,920 | 5,406 | 5,965 | 6,075 | → |
| Leaburu | Municipality | Gipuzkoa | 483 | 430 | 367 | 388 | 378 | 391 | → |
| Legazpi (Legazpia) | Municipality | Gipuzkoa | 10,659 | 9,892 | 8,741 | 8,620 | 8,354 | 8,370 | → |
| Legorreta | Municipality | Gipuzkoa | 1,723 | 1,522 | 1,351 | 1,478 | 1,448 | 1,456 | → |
| Legutio (Legutiano) | Municipality | Araba | 1,346 | 1,213 | 1,359 | 1,739 | 1,993 | 2,094 | → |
| Leintz-Gatzaga (Salinas de Léniz) | Municipality | Gipuzkoa | 208 | 239 | 240 | 253 | 209 | 206 | → |
| Leioa (Lejona) | Municipality | Bizkaia | 22,382 | 24,815 | 28,381 | 30,483 | 32,182 | 32,708 | → |
| Lekeitio (Lequeitio) | Municipality | Bizkaia | 7,198 | 7,394 | 7,357 | 7,377 | 7,256 | 7,210 | → |
| Lemoa (Lemona) | Municipality | Bizkaia | 3,054 | 2,740 | 2,681 | 3,408 | 3,487 | 3,611 | → |
| Lemoiz (Lemóniz) | Municipality | Bizkaia | 985 | 783 | 886 | 1,061 | 1,301 | 1,347 | → |
| Leza | Municipality | Araba | 176 | 190 | 198 | 222 | 219 | 204 | → |
| Lezama | Municipality | Bizkaia | 1,827 | 2,020 | 2,113 | 2,467 | 2,453 | 2,430 | → |
| Lezo | Municipality | Gipuzkoa | 5,405 | 5,281 | 5,834 | 6,011 | 6,088 | 6,193 | → |
| Lizartza (Lizarza) | Municipality | Gipuzkoa | 809 | 697 | 581 | 648 | 619 | 677 | → |
| Loiu (Lujua) | Municipality | Bizkaia | 1,802 | 1,694 | 2,199 | 2,494 | 2,348 | 2,343 | → |
| Mallabia (Mallavia) | Municipality | Bizkaia | 1,149 | 1,133 | 1,109 | 1,192 | 1,172 | 1,105 | → |
| Mañaria | Municipality | Bizkaia | 563 | 504 | 453 | 498 | 523 | 541 | → |
| Markina-Xemein (Marquina-Jeméin) | Municipality | Bizkaia | 4,553 | 4,473 | 4,340 | 4,941 | 5,060 | 5,096 | → |
| Maruri-Jatabe | Municipality | Bizkaia | 504 | 529 | 683 | 961 | 993 | 1,129 | → |
| Meñaka (Meñaca) | Municipality | Bizkaia | 402 | 440 | 515 | 746 | 751 | 788 | → |
| Mendaro | Municipality | Gipuzkoa | 1,738 | 1,453 | 1,444 | 1,960 | 1,980 | 2,024 | → |
| Mendata | Municipality | Bizkaia | 396 | 348 | 339 | 381 | 375 | 382 | → |
| Mendexa (Mendeja) | Municipality | Bizkaia | 340 | 347 | 341 | 437 | 423 | 426 | → |
| Moreda de Álava (Moreda Araba) | Municipality | Araba | 307 | 272 | 261 | 248 | 212 | 218 | → |
| Morga | Municipality | Bizkaia | 395 | 347 | 400 | 401 | 409 | 416 | → |
| Mundaka (Mundaca) | Municipality | Bizkaia | 1,646 | 1,641 | 1,853 | 1,943 | 1,859 | 1,817 | → |
| Mungia (Munguía) | Municipality | Bizkaia | 11,341 | 11,900 | 13,807 | 16,857 | 17,709 | 18,135 | → |
| Munitibar-Arbatzegi Gerrikaitz (Arbácegui y Guerricaiz) | Municipality | Bizkaia | 523 | 455 | 390 | 434 | 485 | 468 | → |
| Murueta | Municipality | Bizkaia | 240 | 201 | 259 | 303 | 323 | 311 | → |
| Muskiz (Musques) | Municipality | Bizkaia | 6,054 | 6,358 | 6,558 | 7,518 | 7,422 | 7,468 | → |
| Mutiloa | Municipality | Gipuzkoa | 233 | 184 | 158 | 255 | 256 | 260 | → |
| Mutriku (Motrico) | Municipality | Gipuzkoa | 4,587 | 4,578 | 4,775 | 5,053 | 5,276 | 5,234 | → |
| Muxika (Múgica) | Municipality | Bizkaia | 1,635 | 1,443 | 1,320 | 1,467 | 1,481 | 1,551 | → |
| Nabarniz (Navárniz) | Municipality | Bizkaia | 254 | 251 | 221 | 227 | 266 | 263 | → |
| Navaridas | Municipality | Araba | 180 | 217 | 223 | 223 | 196 | 200 | → |
| Oiartzun (Oyarzun) | Municipality | Gipuzkoa | 7,732 | 8,413 | 9,179 | 10,012 | 10,295 | 10,468 | → |
| Okondo (Oquendo) | Municipality | Araba | 765 | 705 | 876 | 1,159 | 1,195 | 1,180 | → |
| Olaberria (Olaberría) | Municipality | Gipuzkoa | 1,422 | 1,123 | 904 | 936 | 937 | 939 | → |
| Oñati (Oñate) | Municipality | Gipuzkoa | 10,893 | 10,695 | 10,705 | 11,087 | 11,426 | 11,518 | → |
| Ondarroa (Ondárroa) | Municipality | Bizkaia | 11,397 | 10,561 | 9,732 | 8,799 | 8,366 | 8,092 | → |
| Ordizia (Ordicia) | Municipality | Gipuzkoa | 9,724 | 9,325 | 8,938 | 9,751 | 10,396 | 10,792 | → |
| Orendain (Orendáin) | Municipality | Gipuzkoa | 195 | 170 | 143 | 180 | 230 | 246 | → |
| Orexa (Oreja) | Municipality | Gipuzkoa | 92 | 78 | 83 | 123 | 118 | 103 | → |
| Orio | Municipality | Gipuzkoa | 4,359 | 4,258 | 4,421 | 5,319 | 6,089 | 6,187 | → |
| Ormaiztegi (Ormáiztegui) | Municipality | Gipuzkoa | 1,308 | 1,235 | 1,170 | 1,318 | 1,247 | 1,291 | → |
| Orozko (Orozco) | Municipality | Bizkaia | 2,014 | 1,922 | 2,116 | 2,512 | 2,651 | 2,665 | → |
| Ortuella | Municipality | Bizkaia | 9,100 | 8,976 | 8,684 | 8,440 | 8,383 | 8,741 | → |
| Otxandio (Ochandiano) | Municipality | Bizkaia | 1,288 | 1,112 | 1,017 | 1,300 | 1,355 | 1,322 | → |
| Oyón-Oion | Municipality | Araba | 2,315 | 2,132 | 2,464 | 3,283 | 3,455 | 3,541 | → |
| Pasaia (Pasajes) | Municipality | Gipuzkoa | 20,756 | 18,314 | 15,962 | 15,727 | 16,065 | 16,172 | → |
| Peñacerrada-Urizaharra (Peñacerrada) | Municipality | Araba | 231 | 222 | 240 | 278 | 300 | 332 | → |
| Plentzia (Plencia) | Municipality | Bizkaia | 2,844 | 2,542 | 3,643 | 4,329 | 4,409 | 4,413 | → |
| Portugalete | Municipality | Bizkaia | 58,071 | 55,823 | 51,066 | 47,698 | 45,294 | 44,864 | → |
| Ribera Baja (Erriberabeitia) | Municipality | Araba | 429 | 375 | 698 | 1,311 | 1,413 | 1,493 | → |
| Samaniego | Municipality | Araba | 240 | 271 | 308 | 334 | 308 | 292 | → |
| San Millán (Donemiliaga) | Municipality | Araba | 836 | 685 | 709 | 720 | 720 | 704 | → |
| Santurtzi (Santurce) | Municipality | Bizkaia | 53,919 | 50,466 | 47,173 | 47,101 | 46,112 | 46,530 | → |
| Segura | Municipality | Gipuzkoa | 1,428 | 1,297 | 1,225 | 1,460 | 1,461 | 1,493 | → |
| Sestao | Municipality | Bizkaia | 40,374 | 35,948 | 31,773 | 28,805 | 27,321 | 28,473 | → |
| Sondika (Sondica) | Municipality | Bizkaia | 3,900 | 3,345 | 3,978 | 4,543 | 4,553 | 4,677 | → |
| Sopela (Sopelana) | Municipality | Bizkaia | 6,271 | 8,135 | 10,709 | 12,824 | 14,287 | 15,040 | → |
| Sopuerta | Municipality | Bizkaia | 2,189 | 2,160 | 2,245 | 2,570 | 2,635 | 2,821 | → |
| Soraluze-Placencia de las Armas (Placencia de las Armas) | Municipality | Gipuzkoa | 5,524 | 4,838 | 4,165 | 3,973 | 3,897 | 3,854 | → |
| Sukarrieta (Pedernales) | Municipality | Bizkaia | 262 | 280 | 325 | 350 | 349 | 364 | → |
| Tolosa | Municipality | Gipuzkoa | 18,899 | 18,150 | 17,642 | 18,389 | 19,801 | 20,121 | → |
| Trucios-Turtzioz (Trucios) | Municipality | Bizkaia | 554 | 518 | 521 | 532 | 503 | 518 | → |
| Ubide (Ubidea) | Municipality | Bizkaia | 150 | 165 | 162 | 185 | 167 | 173 | → |
| Ugao-Miraballes (Miravalles) | Municipality | Bizkaia | 4,306 | 4,107 | 4,104 | 4,052 | 4,107 | 4,210 | → |
| Urduliz (Urdúliz) | Municipality | Bizkaia | 2,643 | 2,580 | 3,142 | 3,601 | 5,050 | 6,124 | → |
| Urduña (Orduña) | Municipality | Bizkaia | 4,472 | 4,038 | 3,982 | 4,241 | 4,192 | 4,243 | → |
| Urkabustaiz (Urcabustaiz) | Municipality | Araba | 919 | 860 | 877 | 1,355 | 1,417 | 1,460 | → |
| Urnieta | Municipality | Gipuzkoa | 4,608 | 4,399 | 5,518 | 6,191 | 6,188 | 6,329 | → |
| Urretxu (Villarreal de Urrechua) | Municipality | Gipuzkoa | 6,525 | 6,066 | 6,550 | 6,927 | 6,762 | 6,732 | → |
| Usansolo (← Galdakao) | Municipality | Bizkaia | 3,764 | 3,504 | 3,655 | 4,091 | 4,512 | 4,563 | → |
| Usurbil (Usúrbil) | Municipality | Gipuzkoa | 5,871 | 5,333 | 5,257 | 6,070 | 6,124 | 6,478 | → |
| Valdegovía (Gaubea) | Municipality | Araba | 980 | 793 | 952 | 1,079 | 1,047 | 1,063 | → |
| Valle de Trápaga-Trapagaran (Valle de Trápaga) | Municipality | Bizkaia | 13,677 | 13,239 | 12,621 | 12,166 | 11,914 | 11,795 | → |
| Villabona | Municipality | Gipuzkoa | 5,261 | 5,360 | 5,672 | 5,858 | 5,850 | 5,894 | → |
| Villabuena de Álava (Eskuernaga) | Municipality | Araba | 333 | 352 | 321 | 330 | 287 | 280 | → |
| Vitoria-Gasteiz (Vitoria) | Municipality | Araba | 189,533 | 206,116 | 216,852 | 240,753 | 252,953 | 260,402 | → |
| Yécora (Iekora) | Municipality | Araba | 214 | 243 | 260 | 286 | 266 | 276 | → |
| Zaldibar (Zaldívar) | Municipality | Bizkaia | 3,220 | 3,152 | 2,877 | 3,053 | 3,039 | 3,067 | → |
| Zaldibia (Zaldivia) | Municipality | Gipuzkoa | 1,801 | 1,582 | 1,490 | 1,504 | 1,637 | 1,764 | → |
| Zalduondo (Zalduendo de Álava) | Municipality | Araba | 128 | 120 | 139 | 185 | 192 | 196 | → |
| Zalla | Municipality | Bizkaia | 7,125 | 7,307 | 7,857 | 8,411 | 8,430 | 8,350 | → |
| Zambrana | Municipality | Araba | 331 | 327 | 364 | 434 | 430 | 452 | → |
| Zamudio | Municipality | Bizkaia | 3,345 | 3,179 | 3,012 | 3,277 | 3,278 | 3,448 | → |
| Zaratamo (Zarátamo) | Municipality | Bizkaia | 1,768 | 1,634 | 1,651 | 1,651 | 1,647 | 1,604 | → |
| Zarautz (Zarauz) | Municipality | Gipuzkoa | 15,351 | 18,007 | 21,078 | 22,513 | 23,262 | 23,467 | → |
| Zeanuri (Ceánuri) | Municipality | Bizkaia | 1,309 | 1,161 | 1,143 | 1,299 | 1,247 | 1,233 | → |
| Zeberio (Ceberio) | Municipality | Bizkaia | 1,064 | 958 | 995 | 1,080 | 1,088 | 1,089 | → |
| Zegama (Cegama) | Municipality | Gipuzkoa | 1,542 | 1,399 | 1,294 | 1,539 | 1,550 | 1,548 | → |
| Zerain (Ceráin) | Municipality | Gipuzkoa | 241 | 227 | 254 | 266 | 282 | 285 | → |
| Zestoa (Cestona) | Municipality | Gipuzkoa | 3,835 | 3,383 | 3,100 | 3,631 | 3,757 | 3,932 | → |
| Zierbena (Ciérvana) | Municipality | Bizkaia | 901 | 972 | 1,215 | 1,458 | 1,517 | 1,510 | → |
| Zigoitia (Cigoitia) | Municipality | Araba | 690 | 746 | 1,284 | 1,740 | 1,804 | 1,841 | → |
| Ziortza-Bolibar (Cenarruza-Puebla de Bolívar; ← Markina-Xemein) | Municipality | Bizkaia | 461 | 431 | 368 | 411 | 411 | 400 | → |
| Zizurkil (Cizúrquil) | Municipality | Gipuzkoa | 2,847 | 2,711 | 2,820 | 2,854 | 3,002 | 2,984 | → |
| Zuia (Zuya) | Municipality | Araba | 1,303 | 1,211 | 1,906 | 2,420 | 2,319 | 2,365 | → |
| Zumaia (Zumaya) | Municipality | Gipuzkoa | 7,840 | 8,162 | 8,527 | 9,538 | 10,115 | 10,154 | → |
| Zumarraga (Zumárraga) | Municipality | Gipuzkoa | 11,798 | 11,097 | 10,175 | 10,005 | 9,690 | 9,689 | → |
Source: Instituto Nacional de Estadística, Madrid.
Explanation: The latest population figures are based on an evaluation of registers.