Population and Housing Censuses Zaragoza 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 50297 Zaragoza 37,511 1,574 573 1,646 1,878 5,110 4,894 4,833 4,077 7,674 5,252 1 50297 Zaragoza 18,206 1,338 290 831 874 2,182 929 1,764 1,945 4,963 3,090 2 50297 Zaragoza 1,287 42 34 97 93 240 159 127 125 258 112 3 50297 Zaragoza 525 25 22 50 38 93 84 35 53 63 62 4 50297 Zaragoza 630 28 39 56 53 104 81 54 72 98 45 5 to 9 50297 Zaragoza 4,155 93 107 281 290 807 726 486 331 593 441 10 to 19 50297 Zaragoza 7,411 39 68 292 425 1,269 1,664 896 689 966 1,103 20 to 29 50297 Zaragoza 2,514 7 10 34 79 279 605 532 344 399 225 30 to 39 50297 Zaragoza 1,409 1 3 4 20 75 315 414 299 194 84 40 or more 50297 Zaragoza 1,374 1 .. 1 6 61 331 525 219 140 90 Notes: Source: National Statistics Institute