Most ethnically diverse cities

 WALLETHUB

  Key Stats

• Oakland, California, has the highest racial and ethnic diversity, which is four times higher than in Hialeah, Florida, the city with the lowest.
   
• Hialeah, Florida, has the highest concentration of Hispanic or Latino people, at 95.75 percent.
   
• Parkersburg, West Virginia, has the highest concentration of white people, at 94.08 percent. 
   
• Greenville, Mississippi, has the highest concentration of black people, at 83.23 percent.