20230926 21284500 1.0 TRUE CCS - lccs000b21s_e Census consolidated subdivisions 2021 Cartographic boundary files (CBF) A census consolidated subdivision (CCS) is a group of adjacent census subdivisions within the same census division. Generally, the smaller, more densely-populated census subdivisions (towns, villages, etc.) are combined with the surrounding, larger, more rural census subdivision, in order to create a geographic level between the census subdivision and the census division.