The state that is 90% white is Maine, followed by West Virginia.
Maine and West Virginia are the 2 states with the highest white population at around 90.1%
Vermont follows Maine and West Virginia in white population at 89.9% white population and Iowa and Idaho historically or via alternate metrics also hover right around 90% white population depending on the specific census data breakdown of total white alone vs non Hispanic white.
The blackest state in the USA is Mississippi.
By percentage, the state of Mississippi is the blackest state as black residents make up around 38 percent of Mississippi's population.
Also the highest concentration of Black Americans overall is in the Southern United States.
The states of Louisiana, Georgia, Maryland and South Carolina round out as the top 5 states by demographic share.
The top 10 states that have the highest percentage of Black or African American residents includes:
Mississippi with 38% of Blacks.
Louisiana with 33% of Blacks.
Georgia with 31% of Blacks.
Maryland with 30% of Blacks.
South Carolina with 27% of Blacks.
Alabama with 27% of Blacks.
Delaware with 24% of Blacks.
North Carolina with 22% of Blacks.
Virginia with 20% of Blacks.
And the state of Tennessee with 17% of Blacks.
The District of Columbia also has a higher concentration of black residents than any individual state, with black residents making up around 45 percent of it's population.
The states that have the highest total number of black residents include Texas, Florida, New York, Georgia and California.
Texas has 3.9 million black residents.
Florida has 3.8 million black residents.
New York has 3.4 million black residents.
Georgia has 3.3 million black residents.
California has 2.6 million black residents.