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Bexar County Census Block Groups
(from Bexar County Open Data)
on August 28, 2014.
updated 7 months ago.
Bexar County Census Block Groups boundaries. A census block group is a geographical unit used by the United States Census Bureau which is between the census tract and the census block. It is the smallest geographical unit for which the bureau publishes sample data, i.e data which is only collected from a fraction of all households.