Caliper Mapping and Transportation Glossary


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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What is a dot-density map? Dot-density map example created with Maptitude map software

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.