Dot Distribution Map

http://www.census.gov/geo/www/maps/2010_census_nighttime_map/nighttime_map_2010.html

A Dot Distribution map portrays the distribution of population in the United States based on the population. This map obviously is taken at night and each white dot represents a number of people for example 1,000 people. The population is more disperse in the mid-west rather than the eastern part of the United States and the west coast.