23.8% live in Pennsylvania
12.6% live in Illinois
9.8% live in New York and Ohio
If you don't like people
named rowbottom
you should probably go to
New Hampshire (None live there).
Interesting fact: Rhode Island
is the state with the most
last name rowbottom per capita.
Check out the popularity
of the last name rowbottom
for each state in the map below.