58.3% live in New York
6.6% live in Pennsylvania
6.4% live in New Jersey
If you don't like people
with the name rosenblum
you should probably move to
Maine (None live there).
Fun fact: New York
is the state with the most
last name rosenblum per capita.
Check out the popularity
of the last name rosenblum
for each state in the map below.