Forbes created this interactive map with Internal Revenue Service data for years 2005 to 2010. Click on a county to see the patterns of in and out-migration between other U.S. counties. Select the year in the table above to see the pattern for that year. This migration pattern only reflects persons filing tax returns.
Mecklenburg County, N.C. home to Charlotte, is shown above. Click here or on the map above to go to the Forbes site.