Official statistics website of Catalonia

Page has more packages, but you have to drill down. Very comlete census data from the Catalunya gov with open license

License:

http://www.idescat.cat/en/idescat/sistemaestadistic/ciutadans/avislegal.html

"
2. Intellectual property rights and open use licenses

The website www.idescat.cat and all of its content are the property of Idescat or other bodies that have authorised the use and publication of this content by Idescat.

All of the statistical information that it contains, unless stated to the contrary, is subjected to a Creative Commons Recognition (CC BY) license, which permits the copying, distribution and public communication of the same, as well as the creation of derivative works from it, even for commercial purposes, as long as the source is given.

The trademarks, photographs, images, distinctive signs and logos that appear on this website are the exclusive property of Idescat and, as long as no other ownership is indicated, are protected by current applicable legislation and cannot be reproduced, apart from when they appear in the widgets supplied by Idescat."