Today’s graphic: Population Density Change by U.S. county. (Graphic courtesy of Reddit and VividMaps.com, based on U.S. Census data) The thumbnail below is click-expandable.       An animated version of the map can be seen here. — Please send your graphic ideas to JWR. (Either via e-mail or via our Contact form.) Any graphics that you send must either be your own creation or uncopyrighted. The post SurvivalBlog Graphic of the Week appeared first on SurvivalBlog.com.