64.9% live in Michigan
29.7% live in New Jersey
1.4% live in New York, Maryland and South Dakota
If you don't like people
named grinwis
you should probably move to
New Hampshire (None live there).
Interesting fact: Michigan
is the state with the most
last name grinwis per capita.
Check out the popularity
of the last name grinwis
for each state in the map below.