Properly as a layer (with geometries and attributes) only the census tracts are distributed, since the municipal districts can be obtained by aggregating these.

An annual coverage of census sections has been available, since 2002, with reference to January 1 of each year.

Census sections of the Institut d'Estadística de Catalunya (IDESCAT) and the Institut Cartogràfic i Geològic de Catalunya (ICGC), under a Creative Commons Attribution 4.0 International license. More info