69.6% live in California
8.7% live in New York
4.3% live in Pennsylvania, Florida, Ohio, Missouri and Nevada
If you don't like people
called viljoen
you should probably go to
New Hampshire (None live there).
Interesting fact: California
is the state with the most
last name viljoen per capita.
Check out the popularity
of the last name viljoen
for each state in the map below.