46.7% live in California
26.7% live in New York
6.7% live in Massachusetts, New Jersey, West Virginia and Oregon
If you don't like people
called radchenko
you should probably move to
New Hampshire (None live there).
Fun fact: West Virginia
is the state with the most
last name radchenko per capita.
Check out the popularity
of the last name radchenko
for each state in the map below.