USA.com / California / Contra Costa County / Census Tract 355107 / Block Group 355107-1 / Census Block 355107-1-143
Census Block 355107-1-143 in Contra Costa County, California
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Census Block 355107-1-143 Map, Border, and Nearby Locations
*Based on 2010 data.
*A census block is the smallest geographic area defined by the United States Census Bureau to take census. In total, there are more than 10 million census blocks in the United Status with an average of around 30 residents in each. A census block normally only covers a street block or a small community. It is ideal for studying data relating to the smallest geographic area.