21.2% live in Illinois
15.3% live in Ohio
13.0% live in New York
If you don't like people
called mikolajczyk
you should probably go to
Vermont (None live there).
Interesting fact: Illinois
is the state with the most
last name mikolajczyk per capita.
Check out the popularity
of the last name mikolajczyk
for each state in the map below.