| Main dwellings in buildings destined mainly for dwellings according to year of construction of the building (grouped) by number of rooms . 28-Madrid |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| TOTAL | 1866869 | 42319 | 31986 | 69870 | 65538 | 183978 | 430793 | 518113 | 232027 | 292245 | ||
| 0,81% | 4,60% | 3,33% | 1,87% | 1,49% | 0,79% | 0,56% | 0,45% | 0,53% | 0,81% | |||
| 1 room | ||||||||||||
| 2 rooms | 3,45% | 11,90% | 10,25% | 7,38% | 6,01% | 4,26% | 3,71% | 1,88% | 1,96% | 3,02% | ||
| 3 rooms | 10,98% | 17,63% | 18,35% | 16,09% | 14,20% | 13,83% | 12,76% | 9,56% | 7,20% | 8,38% | ||
| 4 rooms | 22,12% | 23,29% | 25,40% | 26,54% | 25,52% | 28,43% | 28,31% | 17,88% | 15,18% | 19,74% | ||
| 5 rooms | 39,95% | 20,58% | 21,95% | 25,27% | 29,17% | 34,87% | 41,37% | 49,10% | 38,60% | 36,58% | ||
| 6 rooms | 14,65% | 10,82% | 11,01% | 12,53% | 13,74% | 11,28% | 8,89% | 15,17% | 23,46% | 19,04% | ||
| 7 rooms | 4,16% | 5,14% | 4,44% | 5,23% | 5,19% | 3,52% | 2,46% | 3,17% | 6,51% | 6,33% | ||
| 8 rooms | 1,94% | 2,78% | 2,44% | 2,54% | 2,36% | 1,56% | 1,01% | 1,34% | 3,13% | 3,22% | ||
| 9 rooms | 0,89% | 1,36% | 1,27% | 1,11% | 1,08% | 0,65% | 0,48% | 0,65% | 1,50% | 1,38% | ||
| 10 or more rooms | 1,05% | 1,90% | 1,56% | 1,44% | 1,24% | 0,81% | 0,45% | 0,79% | 1,92% | 1,50% | ||