SVG map of state subdivisions. Subdivisions are identified by their FIPS code. See the original map for more information: <a href="//commons.wikimedia.org/wiki/File:Usa_counties_large.svg" title="File:Usa counties large.svg">File:Usa counties large.svg</a>. Generated with python script from the federal map - script available on request.
US Census Bureau, <a href="//commons.wikimedia.org/w/index.php?title=User:Abe.suleiman&amp;action=edit&amp;redlink=1" class="new" title="User:Abe.suleiman (page does not exist)">Abe.suleiman</a> and <a href="//commons.wikimedia.org/wiki/User:Effeietsanders" title="User:Effeietsanders">Lodewijk Gelauff</a>
Map of subdivisions of US state. Based on <a href="//commons.wikimedia.org/wiki/File:Usa_counties_large.svg" title="File:Usa counties large.svg">File:Usa counties large.svg</a> , which itself is a derivative work by Abe.suleiman of a PD work.