Population and Housing Censuses Araba/Álava Buildings mainly or exclusively for housing by municipality (with more than 50,000 inhabitants or provincial capitals), no. of real estate properties and year of construction (aggregate) Units: buildings Total Before 1900 1900 to 1920 1921 to 1940 1941 to 1950 1951 to 1960 1961 to 1970 1971 to 1980 1981 to 1990 1991 to 2001 2002 to 2011 Total 01059 Vitoria-Gasteiz 10,839 609 143 264 277 1,114 1,356 1,509 1,330 1,085 3,152 1 01059 Vitoria-Gasteiz 3,496 291 45 132 46 475 96 172 361 427 1,451 2 01059 Vitoria-Gasteiz 119 10 1 6 2 7 14 17 13 25 24 3 01059 Vitoria-Gasteiz 86 10 6 15 3 5 5 8 5 14 15 4 01059 Vitoria-Gasteiz 205 53 8 9 9 21 9 8 15 41 32 5 to 9 01059 Vitoria-Gasteiz 1,311 191 39 57 70 155 143 109 119 167 261 10 to 19 01059 Vitoria-Gasteiz 3,792 52 41 42 135 377 685 639 513 327 981 20 to 29 01059 Vitoria-Gasteiz 1,141 2 3 3 10 60 292 315 158 63 235 30 to 39 01059 Vitoria-Gasteiz 456 .. .. .. 1 11 103 140 99 13 89 40 or more 01059 Vitoria-Gasteiz 233 .. .. .. 1 3 9 101 47 8 64 Notes: Source: National Statistics Institute