More than 1,000 people were on the attendee list for last weekend’s Online News Association convention in Boston, according to a list the organizers graciously released. 

The data weren’t perfect. Only about 3 in 4 attendees listed their home cities. Of them, about 650 were from the United States. 

As you can see in this map, the Northeast drew a heavy contingent, with Washington, D.C., New York City, and Boston leading the list. Wide swaths of the country, however, weren’t represented: 

See larger map | Download data

UPDATE (9/27): See a different (and perhaps more interesting) version.