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

,2011 Censal Population,2001 Censal Population,Relative variation in percentages 2011/2001 Censuses,
24202-Villablino: León,10,238,12,459,-18,
33002-Aller: Asturias,12,111,14,639,-17,
33073-Tineo: Asturias,10,647,12,598,-15,
33011-Cangas del Narcea: Asturias,14,088,16,511,-15,
33034-Valdés: Asturias,13,064,14,789,-12,
33060-San Martín del Rey Aurelio: Asturias,17,993,20,247,-11,
33037-Mieres: Asturias,42,425,47,719,-11,
48084-Sestao: Bizkaia,28,805,31,773,-9,
33033-Lena: Asturias,12,346,13,573,-9,
15070-Pontes de García Rodríguez, As: Coruña, A,11,021,12,097,-9,
15036-Ferrol: Coruña, A,71,690,77,950,-8,
08904-Badia del Vallès: Barcelona,13,603,14,714,-8,
48015-Basauri: Bizkaia,41,777,45,085,-7,
11012-Cádiz: Cádiz,124,014,133,363,-7,
15077-Santa Comba: Coruña, A,10,076,10,794,-7,
48078-Portugalete: Bizkaia,47,698,51,066,-7,
14052-Peñarroya-Pueblonuevo: Córdoba,11,639,12,440,-6,
39059-Reinosa: Cantabria,10,050,10,694,-6,
33026-Grado: Asturias,10,765,11,454,-6,
20055-Arrasate o Mondragón: Gipuzkoa,21,975,23,118,-5,
37046-Béjar: Salamanca,14,401,15,123,-5,
15035-Fene: Coruña, A,13,807,14,496,-5,
38037-Santa Cruz de la Palma: Santa Cruz de Tenerife,16,568,17,265,-4,
33031-Langreo: Asturias,43,934,45,731,-4,
39035-Laredo: Cantabria,12,088,12,559,-4,
48080-Valle de Trápaga-Trapagaran: Bizkaia,12,166,12,621,-4,
24008-Astorga: León,11,801,12,242,-4,
33032-Laviana: Asturias,14,026,14,531,-3,
48034-Ermua: Bizkaia,16,235,16,795,-3,
33025-Gozón: Asturias,10,732,11,074,-3,
Notes:
Source: Instituto Nacional de Estadística