Heat Maps

Higher numbers get darker colors, lower numbers get lighter colors.

Also known as density maps or chloropleth maps.

Examples

• Median ages of residents in African countries
• Mapping every deficient bridge in the United States
• Where America’s goats live
• Where America’s cows live

Tools

• Presentation Magazine’s Editable Maps (Download maps as slides; color-code by hand)
• Tableau Public or Tableau Desktop

• Histogram
• All
• Span