Male-to-Female Ratio: The below is a map of New York City that shows the sex ratio of each census track. The bluer a region is, the higher the proportion of male. If a region has more women, it is more red.
Old-Dependency Rate: The below is a map of New York City that shows the old dependency ratio of each census track. Yellow regions represent fewer old dependency rate, whereas purple regions represent high old dependency rate.
Child-Dependency Rate: The below is a map of New York City that shows the child dependency ratio of each census track. Brown regions represent fewer child dependency rate, whereas green regions represent high child dependency rate.
Soure : ShapeFile - US Census, Data - FactFinder