| Padres de familias numerosas según edad. 48-Vizcaya |
| TOTAL | Menores de 25 | De 25 a 29 años | De 30 a 34 años | De 35 a 39 años | De 40 a 44 años | De 45 a 49 años | De 50 a 54 años | De 55 ó más | |
| TOTAL | 7017 | 15 | 92 | 323 | 1178 | 1959 | 1832 | 1146 | 472 |
| 48001-Abadiño | 41 | 0 | 0 | 1 | 9 | 4 | 15 | 8 | 4 |
| 48002-Abanto y Ciérvana-Abanto Zierbena | 38 | 0 | 1 | 5 | 7 | 16 | 6 | 1 | 2 |
| 48911-Ajangiz | 4 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 |
| 48912-Alonsotegi | 8 | 0 | 1 | 0 | 2 | 3 | 0 | 2 | 0 |
| 48003-Amorebieta-Etxano | 97 | 0 | 0 | 4 | 18 | 32 | 19 | 16 | 8 |
| 48004-Amoroto | 5 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 |
| 48005-Arakaldo | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48006-Arantzazu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48093-Areatza | 8 | 0 | 0 | 0 | 2 | 3 | 1 | 1 | 1 |
| 48009-Arrankudiaga | 3 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| 48914-Arratzu | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 48010-Arrieta | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| 48011-Arrigorriaga | 54 | 0 | 1 | 2 | 7 | 15 | 19 | 7 | 3 |
| 48023-Artea | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 48008-Artzentales | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| 48091-Atxondo | 13 | 0 | 0 | 0 | 2 | 3 | 3 | 5 | 0 |
| 48070-Aulesti | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 48012-Bakio | 11 | 0 | 0 | 0 | 2 | 3 | 5 | 0 | 1 |
| 48090-Balmaseda | 34 | 1 | 0 | 1 | 2 | 9 | 15 | 4 | 2 |
| 48013-Barakaldo | 381 | 0 | 5 | 23 | 59 | 109 | 106 | 58 | 21 |
| 48014-Barrika | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 3 |
| 48015-Basauri | 200 | 1 | 7 | 10 | 39 | 43 | 55 | 32 | 13 |
| 48092-Bedia | 5 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 |
| 48016-Berango | 26 | 0 | 0 | 1 | 4 | 6 | 10 | 3 | 2 |
| 48017-Bermeo | 89 | 0 | 3 | 3 | 13 | 31 | 24 | 10 | 5 |
| 48018-Berriatua | 8 | 0 | 0 | 1 | 0 | 2 | 4 | 1 | 0 |
| 48019-Berriz | 25 | 1 | 0 | 1 | 5 | 6 | 9 | 2 | 1 |
| 48020-Bilbao | 2210 | 8 | 39 | 120 | 392 | 597 | 543 | 370 | 141 |
| 48021-Busturia | 6 | 0 | 0 | 0 | 3 | 0 | 1 | 2 | 0 |
| 48901-Derio | 16 | 0 | 0 | 1 | 3 | 6 | 4 | 1 | 1 |
| 48026-Dima | 5 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 0 |
| 48027-Durango | 205 | 0 | 1 | 11 | 35 | 59 | 53 | 36 | 10 |
| 48028-Ea | 6 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 1 |
| 48031-Elantxobe | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| 48032-Elorrio | 36 | 0 | 0 | 1 | 6 | 10 | 9 | 5 | 5 |
| 48902-Erandio | 100 | 0 | 1 | 1 | 10 | 26 | 35 | 22 | 5 |
| 48033-Ereño | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 48034-Ermua | 90 | 0 | 0 | 1 | 8 | 27 | 25 | 26 | 3 |
| 48079-Errigoiti | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48029-Etxebarri Anteiglesia de San Esteban-Etxebarri Doneztebeko El | 42 | 0 | 0 | 1 | 12 | 14 | 6 | 6 | 3 |
| 48030-Etxebarria | 9 | 0 | 0 | 0 | 4 | 3 | 2 | 0 | 0 |
| 48906-Forua | 7 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 1 |
| 48035-Fruiz | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| 48036-Galdakao | 169 | 0 | 3 | 5 | 18 | 48 | 55 | 30 | 10 |
| 48037-Galdames | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 |
| 48038-Gamiz-Fika | 13 | 2 | 0 | 1 | 4 | 3 | 3 | 0 | 0 |
| 48039-Garay | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| 48040-Gatika | 11 | 0 | 0 | 2 | 2 | 1 | 4 | 1 | 1 |
| 48041-Gautegiz Arteaga | 9 | 0 | 0 | 0 | 0 | 5 | 2 | 1 | 1 |
| 48046-Gernika-Lumo | 85 | 0 | 0 | 6 | 16 | 15 | 21 | 20 | 7 |
| 48044-Getxo | 1091 | 0 | 4 | 21 | 161 | 292 | 281 | 222 | 110 |
| 48047-Gizaburuaga | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48042-Gordexola | 5 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 |
| 48043-Gorliz | 42 | 0 | 1 | 1 | 6 | 17 | 12 | 4 | 1 |
| 48045-Güeñes | 19 | 0 | 0 | 1 | 4 | 5 | 3 | 5 | 1 |
| 48048-Ibarrangelu | 3 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
| 48094-Igorre | 23 | 0 | 0 | 0 | 3 | 8 | 7 | 5 | 0 |
| 48049-Ispaster | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 48910-Iurreta | 29 | 0 | 0 | 2 | 3 | 7 | 11 | 4 | 2 |
| 48050-Izurtza | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 48022-Karrantza Harana/Valle de Carranza | 30 | 0 | 0 | 3 | 4 | 5 | 7 | 5 | 6 |
| 48907-Kortezubi | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| 48051-Lanestosa | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 48052-Larrabetzu | 10 | 0 | 0 | 2 | 1 | 3 | 2 | 1 | 1 |
| 48053-Laukiz | 15 | 0 | 0 | 0 | 2 | 5 | 4 | 2 | 2 |
| 48054-Leioa | 205 | 0 | 1 | 13 | 42 | 62 | 41 | 38 | 8 |
| 48057-Lekeitio | 38 | 0 | 0 | 1 | 7 | 8 | 10 | 8 | 4 |
| 48055-Lemoa | 12 | 0 | 2 | 0 | 0 | 5 | 4 | 1 | 0 |
| 48056-Lemoiz | 12 | 0 | 0 | 0 | 0 | 8 | 3 | 1 | 0 |
| 48081-Lezama | 14 | 0 | 0 | 0 | 3 | 4 | 4 | 2 | 1 |
| 48903-Loiu | 20 | 0 | 0 | 1 | 0 | 7 | 7 | 4 | 1 |
| 48058-Mallabia | 4 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 |
| 48060-Markina-Xemein | 44 | 0 | 0 | 3 | 6 | 12 | 11 | 9 | 3 |
| 48061-Maruri-Jatabe | 7 | 0 | 0 | 0 | 1 | 1 | 3 | 2 | 0 |
| 48059-Mañaria | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 |
| 48062-Mendata | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 48063-Mendexa | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 48064-Meñaka | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 48066-Morga | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 48068-Mundaka | 7 | 0 | 0 | 0 | 3 | 1 | 2 | 1 | 0 |
| 48069-Mungia | 149 | 0 | 0 | 6 | 27 | 42 | 42 | 19 | 13 |
| 48007-Munitibar-Arbatzegi Gerrikaitz | 6 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 1 |
| 48908-Murueta | 4 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 |
| 48071-Muskiz | 35 | 0 | 0 | 2 | 6 | 7 | 16 | 2 | 2 |
| 48067-Muxika | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 |
| 48909-Nabarniz | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48073-Ondarroa | 57 | 0 | 0 | 6 | 6 | 20 | 11 | 13 | 1 |
| 48075-Orozko | 8 | 0 | 1 | 0 | 1 | 2 | 1 | 2 | 1 |
| 48083-Ortuella | 42 | 0 | 0 | 7 | 8 | 12 | 11 | 1 | 3 |
| 48072-Otxandio | 7 | 0 | 0 | 1 | 0 | 2 | 2 | 1 | 1 |
| 48077-Plentzia | 38 | 0 | 0 | 1 | 5 | 13 | 12 | 5 | 2 |
| 48078-Portugalete | 195 | 0 | 1 | 13 | 30 | 65 | 46 | 32 | 8 |
| 48082-Santurtzi | 241 | 0 | 13 | 9 | 46 | 60 | 76 | 28 | 9 |
| 48084-Sestao | 156 | 2 | 6 | 13 | 38 | 53 | 23 | 12 | 9 |
| 48904-Sondika | 15 | 0 | 0 | 0 | 4 | 4 | 5 | 2 | 0 |
| 48085-Sopelana | 102 | 0 | 0 | 5 | 18 | 33 | 30 | 11 | 5 |
| 48086-Sopuerta | 6 | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 0 |
| 48076-Sukarrieta | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 48087-Trucios-Turtzioz | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
| 48088-Ubide | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48065-Ugao-Miraballes | 15 | 0 | 0 | 1 | 4 | 7 | 0 | 3 | 0 |
| 48089-Urduliz | 27 | 0 | 0 | 1 | 6 | 8 | 6 | 2 | 4 |
| 48074-Urduña-Orduña | 26 | 0 | 1 | 0 | 6 | 6 | 9 | 1 | 3 |
| 48080-Valle de Trápaga-Trapagaran | 54 | 0 | 0 | 3 | 7 | 23 | 17 | 4 | 0 |
| 48095-Zaldibar | 12 | 0 | 0 | 0 | 1 | 5 | 6 | 0 | 0 |
| 48096-Zalla | 28 | 0 | 0 | 0 | 7 | 5 | 13 | 3 | 0 |
| 48905-Zamudio | 12 | 0 | 0 | 0 | 1 | 3 | 6 | 1 | 1 |
| 48097-Zaratamo | 9 | 0 | 0 | 1 | 4 | 1 | 2 | 0 | 1 |
| 48024-Zeanuri | 10 | 0 | 0 | 2 | 0 | 2 | 1 | 3 | 2 |
| 48025-Zeberio | 7 | 0 | 0 | 1 | 3 | 1 | 1 | 1 | 0 |
| 48913-Zierbena | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |