A map of the population density of the United States down to county level based on 2010 Census data. County shapefiles provided by 2010 Census TIGER/Line Shapefiles. Other shapefiles provided by Natural Earth.
<a href="//commons.wikimedia.org/wiki/User_talk:Crimsonedge34" title="User talk:Crimsonedge34">Crimsonedge34</a>
2011-09-16
<span class="int-own-work" lang="en">Own work</span>