Population and Housing Censuses  
León
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,
    24089  León,10,503,224,253,582,852,2,049,2,318,1,135,918,1,328,844,
    24115  Ponferrada,11,635,361,352,297,836,1,902,1,955,1,675,1,505,1,746,1,006,
1,
    24089  León,3,706,112,88,239,398,1,092,847,151,156,311,312,
    24115  Ponferrada,7,363,349,339,263,601,1,290,1,103,929,834,1,054,601,
2,
    24089  León,726,20,22,52,89,224,146,50,51,49,23,
    24115  Ponferrada,922,11,9,18,72,183,234,178,111,73,33,
3,
    24089  León,435,22,35,41,48,106,73,34,31,34,11,
    24115  Ponferrada,542,..,3,3,43,129,130,111,61,42,20,
4,
    24089  León,470,17,30,48,62,76,84,28,56,48,21,
    24115  Ponferrada,387,..,1,4,31,87,100,65,42,37,20,
5 to 9,
    24089  León,1,776,44,60,136,151,276,351,154,204,274,126,
    24115  Ponferrada,1,213,1,..,5,70,163,232,173,221,233,115,
10 to 19,
    24089  León,2,266,5,17,60,92,224,612,371,247,406,232,
    24115  Ponferrada,929,..,..,4,15,43,129,166,170,245,157,
20 to 29,
    24089  León,756,3,1,4,12,35,144,233,99,149,76,
    24115  Ponferrada,228,..,..,..,2,7,23,41,58,53,44,
30 to 39,
    24089  León,244,1,..,1,..,14,38,78,52,41,19,
    24115  Ponferrada,27,..,..,..,..,..,2,6,4,5,10,
40 or more,
    24089  León,124,..,..,1,..,2,23,36,22,16,24,
    24115  Ponferrada,24,..,..,..,2,..,2,6,4,4,6,
Notes:
Source: National Statistics Institute