38.5% live in New York
23.1% live in Maryland
7.7% live in Massachusetts, Rhode Island, Georgia, Michigan and Tennessee
If you don't like people
called dou
you should probably go to
New Hampshire (None live there).
Fun fact: Rhode Island
is the state with the most
last name dou per capita.
Check out the popularity
of the last name dou
for each state in the map below.