But as a map by cartographer Nik Freeman proves ... As of the 2010 census, the United States consists of 11,078,300 Census Blocks. Of them, 4,871,270 blocks totaling 4.61 million square kilometers ...

To start exploring the map, click on a census block — the smallest unit captured by NYPD data. A pop-up will appear, showing the number of shooting incidents that occurred in that census block ...

Roll over the "White Population," "Black Population" or "Hispanic Population" bars below the map to show the racial and ethnic breakdown of each census block group — roughly the size of most ...

This map was put together by Nik Freeman using census data from 2010. All those green areas you see are census blocks in which nobody lives (a block being the smallest area unit used by the U.S ...