Population and Housing Censuses  
Municipal Rankings (only for municipalities with more than 10,000 inhabitants)
Municipalities with a greater absolute depopulation since 2001
Units: persons

,2011 Censal Population,2001 Censal Population,Absolute variation 2011/2001 Censuses,
11012-Cádiz: Cádiz,124,014,133,363,-9,349,
15036-Ferrol: Coruña, A,71,690,77,950,-6,260,
33037-Mieres: Asturias,42,425,47,719,-5,294,
47186-Valladolid: Valladolid,311,682,316,580,-4,898,
37274-Salamanca: Salamanca,151,658,156,368,-4,710,
48078-Portugalete: Bizkaia,47,698,51,066,-3,368,
48015-Basauri: Bizkaia,41,777,45,085,-3,308,
48084-Sestao: Bizkaia,28,805,31,773,-2,968,
39075-Santander: Cantabria,178,095,180,717,-2,622,
33002-Aller: Asturias,12,111,14,639,-2,528,
33011-Cangas del Narcea: Asturias,14,088,16,511,-2,423,
33060-San Martín del Rey Aurelio: Asturias,17,993,20,247,-2,254,
24202-Villablino: León,10,238,12,459,-2,221,
48044-Getxo: Bizkaia,80,252,82,285,-2,033,
33073-Tineo: Asturias,10,647,12,598,-1,951,
33031-Langreo: Asturias,43,934,45,731,-1,797,
33034-Valdés: Asturias,13,064,14,789,-1,725,
33033-Lena: Asturias,12,346,13,573,-1,227,
20055-Arrasate/Mondragón: Gipuzkoa,21,975,23,118,-1,143,
08904-Badia del Vallès: Barcelona,13,603,14,714,-1,111,
15070-Pontes de García Rodríguez, As: Coruña, A,11,021,12,097,-1,076,
20030-Eibar: Gipuzkoa,27,382,28,219,-837,
14052-Peñarroya-Pueblonuevo: Córdoba,11,639,12,440,-801,
37046-Béjar: Salamanca,14,401,15,123,-722,
15077-Santa Comba: Coruña, A,10,076,10,794,-718,
38037-Santa Cruz de la Palma: Santa Cruz de Tenerife,16,568,17,265,-697,
15035-Fene: Coruña, A,13,807,14,496,-689,
33026-Grado: Asturias,10,765,11,454,-689,
36017-Estrada (A): Pontevedra,21,626,22,308,-682,
39059-Reinosa: Cantabria,10,050,10,694,-644,
Notes:
Source: Instituto Nacional de Estadística