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2010 Census Block Assignment Files

The Block Assignment Files (BAFs) are among the geographic products that the Census Bureau provides to states and other data users containing the small area census data necessary for legislative redistricting.  The BAFs contain 2010 Census tabulation block codes and geographic area codes for a specific geographic entity type.

Please use the links below to find out more information about the 2010 Block Assignment Files and to download them.

Description of the 2010 Census Block Assignment Files

Download the 2010 Census Block Assignment Files:

2010 Census Name Look-Up Tables Page

Contact Information


Source: U.S. Census Bureau | Geography | (301) 763-1128 |  Last Revised: February 19, 2013