Population and Housing Censuses Bizkaia 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 48013 Barakaldo 3,271 121 170 377 226 727 729 343 46 132 400 48020 Bilbao 10,406 834 717 1,397 832 1,663 2,243 995 395 490 840 48044 Getxo 4,762 269 142 277 157 405 691 1,038 589 758 436 1 48013 Barakaldo 509 81 57 203 18 33 18 11 9 19 60 48020 Bilbao 1,338 83 95 677 123 155 76 29 14 20 66 48044 Getxo 1,871 169 51 132 64 113 103 182 255 543 259 2 48013 Barakaldo 107 11 19 16 19 16 8 2 .. 12 4 48020 Bilbao 302 11 38 71 61 49 54 10 .. 3 5 48044 Getxo 200 42 20 33 20 24 17 16 7 11 10 3 48013 Barakaldo 43 2 12 7 6 8 4 .. .. 2 2 48020 Bilbao 159 9 30 18 33 23 38 3 2 .. 3 48044 Getxo 114 18 9 22 8 18 11 7 5 10 6 4 48013 Barakaldo 42 3 6 9 9 12 2 .. .. .. 1 48020 Bilbao 120 17 21 15 17 17 19 5 .. 2 7 48044 Getxo 152 13 10 18 12 24 19 16 14 18 8 5 to 9 48013 Barakaldo 367 2 27 52 65 164 26 12 3 3 13 48020 Bilbao 1,023 261 121 66 63 256 77 32 28 75 44 48044 Getxo 871 16 26 41 30 76 185 228 102 94 73 10 to 19 48013 Barakaldo 1,342 17 42 77 90 385 391 99 24 51 166 48020 Bilbao 3,958 399 326 415 389 635 808 223 142 212 409 48044 Getxo 1,162 10 24 29 20 129 276 377 153 75 69 20 to 29 48013 Barakaldo 535 5 7 11 17 96 193 79 6 35 86 48020 Bilbao 1,881 47 74 101 95 309 583 248 129 107 188 48044 Getxo 287 1 1 2 3 18 62 141 47 6 6 30 to 39 48013 Barakaldo 169 .. .. 2 1 11 53 59 4 10 29 48020 Bilbao 935 6 7 31 42 165 327 205 38 44 70 48044 Getxo 92 .. 1 .. .. 2 17 61 6 1 4 40 or more 48013 Barakaldo 157 .. .. .. 1 2 34 81 .. .. 39 48020 Bilbao 690 1 5 3 9 54 261 240 42 27 48 48044 Getxo 13 .. .. .. .. 1 1 10 .. .. 1 Notes: Source: National Statistics Institute