Interactive semi-log plot of historical population of the 50 states of USA and the District of Columbia from 1900 to 2015 according to Federal Reserve Economic Data at https://research.stlouisfed.org/fred2/release?rid=118 categorised by US census region, by CMG Lee. In the SVG file, hover over a graph, its state abbreviation, its map or its region label to highlight it (and in SMIL-enabled browsers, click to select/deselect it). Map is from http://commons.wikimedia.org/wiki/File:Blank_US_Map_%28states_only%29.svg by Theshibboleth.
File:Blank_US_Map_(states_only).svg
cmglee, TheShibboleth et al