Choropleth Map

A Choropleth Map is a thematic map where geographic areas are shaded or patterned according to statistical data values. Different colors or patterns represent different ranges of data values, allowing for easy comparison of statistical information across geographic regions.

These maps are particularly effective for displaying statistical data that is aggregated by administrative boundaries such as countries, states, counties, or census tracts. Choropleth maps help reveal spatial patterns in demographic, economic, social, and environmental data, making them essential tools for policy analysis and decision-making.

Practical Applications

• Election results visualization showing voting patterns by district
• Demographic analysis displaying population characteristics by region
• Economic indicators mapping income levels and unemployment rates
• Public health surveillance showing disease rates by administrative area
• Educational performance analysis comparing test scores across school districts

Related Terms

• Thematic Mapping
• Statistical Mapping
• Data Classification
• Cartographic Visualization
• Spatial Statistics