22.1% live in Mississippi
11.6% live in Oklahoma
11.0% live in Texas
If you don't like people
with the name rounsaville
you should probably move to
New Hampshire (None live there).
Fun fact: Mississippi
is the state with the most
last name rounsaville per capita.
Check out the popularity
of the last name rounsaville
for each state in the map below.