Population and Housing Censuses  
Gipuzkoa
Dwellings by municipalities (with over 50,000 inhabitants or capitals), type of housing and year of construction (aggregate) of the building
Units: dwellings

	Total	Before 1900	From 1900 to 1920	From 1921 to 1940	From 1941 to 1950	From 1951 to 1960	From 1961 to 1970	From 1971 to 1980	From 1981 to 1990	From 1991 to 2001	From 2002 to 2011	No data recorded	
2.1 Total main dwellings	
    20069  Donostia-San Sebastián	79,286	3,434	6,437	5,773	3,039	10,270	12,282	14,435	3,070	11,319	8,861	364	
    20045 Irun	24,196	1,767	1,335	1,404	1,740	1,789	3,155	5,948	1,348	2,855	2,711	143	
2.21 Secondary dwellings	
    20069  Donostia-San Sebastián	3,510	217	315	398	264	486	530	550	24	573	153	..	
    20045 Irun	640	23	..	..	137	199	48	185	..	..	48	..	
2.22 Empty dwellings	
    20069  Donostia-San Sebastián	5,531	374	771	78	181	1,029	852	730	301	780	435	..	
    20045 Irun	1,986	231	184	152	154	111	439	430	59	124	101	..	
Notes:
Source: National Statistics Institute