Census Block Groups - City of Newton
- A polygon coverage of the boundaries of the U.S. Census Bureau's block groups and some appended demographic information for Newton, Massachusetts. Currently the most recent information is for the 1990 census. A census Block Group is a statistical subdivision of a census Tract consisting of a cluster of census blocks having the same first digit of their identifying numbers within that tract. Example, Block Group 3 contains all blocks from 3000-3999.
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- More details at