68.8% live in New York
8.6% live in New Jersey
3.0% live in Massachusetts and Connecticut
If you don't like people
called kestenbaum
you should probably go to
New Hampshire (None live there).
Interesting fact: New York
is the state with the most
last name kestenbaum per capita.
Check out the popularity
of the last name kestenbaum
for each state in the map below.