What is a dot-density map?
A dot-density map is a type of thematic map
that uses dots or other symbols on the map to show the values of one
or more numeric data fields. Each dot on a dot-density map
represents some amount of data.
In a dot-density map, areas with many dots indicate high
concentrations of values for the chosen field and fewer dots
indicate lower concentrations.
GIS Software for Creating Dot-Density Maps
Maptitude Mapping Software gives you all of the tools, maps,
and data you need to analyze and understand how geography affects you and
your business. Create informative dot-density maps that show the
characteristics of your area of interest.
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This Maptitude dot-density map shows the
distribution of the Hispanic and Non-Hispanic population. Each blue
dot represents 20,000 Non-Hispanic people and each red dot
represents 20,000 Hispanic people. Population dense areas such as
around New York, Chicago, Los Angeles, etc. have many dots. Areas
with higher Hispanic populations stand out in central California,
Texas, and southern Florida.