In Arizona, Biden benefited from a lopsided advantage among Hispanic voters, 62 percent to 27 percent. Trump had a significant edge there among voters 65 years old and older, prevailing 63 percent to 35. (In Minnesota, in contrast, Biden and Trump were tied among voters in that age group.)
Biden also had an edge over Trump among female voters in both states, particularly white women with college degrees.
The polls were conducted on behalf of CBS News by YouGov Sept. 9-11, based on samples of 1,122 registered voters in Arizona and 1,100 in Minnesota. Margins of error among registered voters were plus or minus 3.8 percentage points in Arizona and 3.6 points in Minnesota.