Transwiki approved by: w:en:User:Dmcdevit

This image was copied from wikipedia:en. The original description was:

This image or file is a work of a United States Census Bureau employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. English ∙ español ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ português do Brasil ∙ русский ∙ українська ∙ עברית ∙ +/−

This work has been released into the public domain by its author, Stevey7788. This applies worldwide. In some countries this may not be legally possible; if so: Stevey7788 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Self-generated map by Stevey7788 using the w:en:U.S. Census Bureau's American Factfinder site archive copy at the Wayback Machine.
This map does not keep a map key and thus there only be drawn relative conclusions from the depicted colors: Dark red supposedly shows higher concentrations than light yellow, that is about it.