The following map shows the dispersion of apartment buildings (buildings with 10 or more uints) in the area. Aparment dwellers have a unique set of needs compare to the average home owner. For example, apartment dwellers usually don't have a need for lawn care goods, but do have an interest space-saving goods. In the case of the map below, the dark green areas show where the highest percentage of apartment buildings existed in 1990. Sources: US Census Bureau and Synergos Technologies, Inc.