| Buildings destined mainly for dwellings, according to year of construction (grouped) by number of dwellings. 50-Zaragoza |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| 142327 | 22983 | 9709 | 9986 | 10314 | 17345 | 15550 | 19164 | 15431 | 21845 | |||
| TOTAL | ||||||||||||
| 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | 100,00% | |||
| 1 | 111607 | 20467 | 8509 | 8461 | 8513 | 13380 | 10037 | 13764 | 11550 | 16926 | ||
| 78,42% | 89,05% | 87,64% | 84,73% | 82,54% | 77,14% | 64,55% | 71,82% | 74,85% | 77,48% | |||
| 2 | 9190 | 1504 | 656 | 634 | 626 | 997 | 923 | 1427 | 1033 | 1390 | ||
| 6,46% | 6,54% | 6,76% | 6,35% | 6,07% | 5,75% | 5,94% | 7,45% | 6,69% | 6,36% | |||
| 3 | 2071 | 374 | 147 | 186 | 149 | 235 | 228 | 268 | 180 | 304 | ||
| 1,46% | 1,63% | 1,51% | 1,86% | 1,44% | 1,35% | 1,47% | 1,40% | 1,17% | 1,39% | |||
| 4 | 1708 | 219 | 125 | 144 | 145 | 191 | 264 | 202 | 181 | 237 | ||
| 1,20% | 0,95% | 1,29% | 1,44% | 1,41% | 1,10% | 1,70% | 1,05% | 1,17% | 1,08% | |||
| 5 to 9 | 6821 | 301 | 191 | 328 | 440 | 1147 | 1403 | 1110 | 794 | 1107 | ||
| 4,79% | 1,31% | 1,97% | 3,28% | 4,27% | 6,61% | 9,02% | 5,79% | 5,15% | 5,07% | |||
| 10 to 19 | 6512 | 91 | 67 | 192 | 368 | 1084 | 1590 | 1131 | 803 | 1186 | ||
| 4,58% | 0,40% | 0,69% | 1,92% | 3,57% | 6,25% | 10,23% | 5,90% | 5,20% | 5,43% | |||
| 20 to 39 | 3436 | 23 | 12 | 34 | 65 | 263 | 863 | 863 | 722 | 591 | ||
| 2,41% | 0,10% | 0,12% | 0,34% | 0,63% | 1,52% | 5,55% | 4,50% | 4,68% | 2,71% | |||
| 40 or more | 982 | 4 | 2 | 7 | 8 | 48 | 242 | 399 | 168 | 104 | ||
| 0,69% | 0,02% | 0,02% | 0,07% | 0,08% | 0,28% | 1,56% | 2,08% | 1,09% | 0,48% | |||