Not by much, IMO. I could only find NU’s 2020-2021 CDS. Michigan’s is 2021-2022.
White students:
NU 41%
Michigan 53%
Black students:
NU 6%
Michigan 4%
Of course, Michigan is a large public school and admits about 50% of their student population from the State of Michigan.
Here’s a CC short thread from 2017 about Northwestern social life: