# Municipalities in Biscay province by population aged 16 to 64, 2025

All 113 values come from Instituto Nacional de Estadística for 2025, so the places are comparable.

- Indicator id: `population_16_64`
- Unit: persons
- Definition: Resident population aged 16 to 64 on 1 January (INE annual census). Used as the working-age denominator.
- Source: Instituto Nacional de Estadística, Censo anual de población: población de 16 a 64 años (tabla 68540) (https://www.ine.es/jaxiT3/Tabla.htm?t=68540)
- Retrieved: 2026-10-07
- Citation: Instituto Nacional de Estadística (INE). Censo anual de población: población de 16 a 64 años (tabla 68540). https://www.ine.es/jaxiT3/Tabla.htm?t=68540. Retrieved 2026-10-07.
- Web page: https://invokely.ai/rankings/population-16-64/biscay-province-municipalities
- CSV: https://invokely.ai/download/rankings/population-16-64/biscay-province-municipalities.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Bilbao | 222,311 |
| 2 | Barakaldo | 64,925 |
| 3 | Getxo | 44,578 |
| 4 | Santurtzi | 29,102 |
| 5 | Portugalete | 26,906 |
| 6 | Basauri | 24,551 |
| 7 | Leioa | 20,631 |
| 8 | Durango | 19,637 |
| 9 | Sestao | 17,946 |
| 10 | Erandio | 15,827 |
| 11 | Galdakao | 15,120 |
| 12 | Amorebieta-Etxano | 12,489 |
| 13 | Mungia | 11,789 |
| 14 | Bermeo | 10,691 |
| 15 | Gernika-Lumo | 10,405 |
| 16 | Sopela | 9,941 |
| 17 | Ermua | 9,358 |
| 18 | Etxebarri | 7,964 |
| 19 | Arrigorriaga | 7,866 |
| 20 | Valle de Trápaga-Trapagaran | 7,435 |
| 21 | Abanto y Ciérvana-Abanto Zierbena | 6,145 |
| 22 | Ortuella | 5,527 |
| 23 | Berango | 5,468 |
| 24 | Zalla | 5,215 |
| 25 | Ondarroa | 4,894 |
| 26 | Abadiño | 4,847 |
| 27 | Muskiz | 4,826 |
| 28 | Balmaseda | 4,755 |
| 29 | Derio | 4,730 |
| 30 | Elorrio | 4,469 |
| 31 | Güeñes | 4,427 |
| 32 | Lekeitio | 4,424 |
| 33 | Urduliz | 4,073 |
| 34 | Gorliz | 3,910 |
| 35 | Markina-Xemein | 3,104 |
| 36 | Sondika | 3,004 |
| 37 | Usansolo | 2,935 |
| 38 | Berriz | 2,885 |
| 39 | Plentzia | 2,884 |
| 40 | Urduña/Orduña | 2,647 |
| 41 | Igorre | 2,637 |
| 42 | Ugao-Miraballes | 2,635 |
| 43 | Iurreta | 2,400 |
| 44 | Lemoa | 2,377 |
| 45 | Zamudio | 2,174 |
| 46 | Bakio | 1,897 |
| 47 | Alonsotegi | 1,891 |
| 47 | Zaldibar | 1,891 |
| 49 | Sopuerta | 1,803 |
| 50 | Orozko | 1,752 |
| 51 | Karrantza Harana/Valle de Carranza | 1,620 |
| 52 | Lezama | 1,502 |
| 53 | Loiu | 1,497 |
| 54 | Larrabetzu | 1,285 |
| 55 | Gordexola | 1,132 |
| 56 | Mundaka | 1,058 |
| 57 | Zaratamo | 1,044 |
| 58 | Busturia | 1,028 |
| 58 | Gatika | 1,028 |
| 60 | Zierbena | 1,008 |
| 61 | Dima | 985 |
| 62 | Muxika | 979 |
| 63 | Barrika | 964 |
| 64 | Lemoiz | 892 |
| 65 | Gamiz-Fika | 867 |
| 66 | Areatza | 828 |
| 67 | Laukiz | 825 |
| 68 | Atxondo | 814 |
| 69 | Otxandio | 783 |
| 70 | Zeanuri | 781 |
| 71 | Berriatua | 758 |
| 72 | Maruri-Jatabe | 736 |
| 73 | Bedia | 725 |
| 74 | Mallabia | 700 |
| 75 | Zeberio | 687 |
| 76 | Arrankudiaga-Zollo | 669 |
| 77 | Gautegiz Arteaga | 558 |
| 78 | Forua | 545 |
| 79 | Galdames | 507 |
| 80 | Meñaka | 486 |
| 81 | Etxebarria | 482 |
| 82 | Ea | 476 |
| 83 | Artzentales | 461 |
| 84 | Artea | 454 |
| 85 | Ispaster | 436 |
| 86 | Ibarrangelu | 420 |
| 87 | Fruiz | 397 |
| 88 | Arrieta | 395 |
| 89 | Aulesti | 373 |
| 90 | Trucios-Turtzioz | 328 |
| 91 | Mañaria | 325 |
| 92 | Munitibar-Arbatzegi Gerrikaitz | 305 |
| 93 | Errigoiti | 303 |
| 94 | Kortezubi | 284 |
| 95 | Ajangiz | 277 |
| 96 | Mendexa | 275 |
| 97 | Arantzazu | 263 |
| 98 | Morga | 254 |
| 99 | Amoroto | 247 |
| 100 | Mendata | 239 |
| 101 | Arratzu | 235 |
| 102 | Ziortza-Bolibar | 231 |
| 103 | Sukarrieta | 221 |
| 104 | Garai | 210 |
| 105 | Murueta | 202 |
| 106 | Elantxobe | 181 |
| 107 | Nabarniz | 155 |
| 108 | Lanestosa | 153 |
| 109 | Ereño | 149 |
| 110 | Gizaburuaga | 139 |
| 111 | Izurtza | 138 |
| 112 | Ubide | 125 |
| 113 | Arakaldo | 115 |