60.0% live in Illinois
16.0% live in Michigan
4.0% live in New York, Ohio, Oklahoma, Arizona, Oregon and California
If you don't like people
named sweiss
you should probably go to
New Hampshire (None live there).
Fun fact: Illinois
is the state with the most
last name sweiss per capita.
Check out the popularity
of the last name sweiss
for each state in the map below.