Definitions for "Census block group"
a combination of census blocks that is a subdivision of a census tract or census block numbering area (BNA). A block group consists of all census blocks whose numbers begin with the same digit within a census tract or BNA.
A cluster of census blocks within a census tract designated by the Census Bureau as a subdivision of that census tract.
Subdivisions of census tracts, each representing 250-350 Housing Units.
Keywords:  expanse, utilized, land, defined, area
a defined expanse or area of land utilized by the U