Census — Quartile Map
Choropleth of US states colored by quartile for a Census indicator.
Template details
- map
- choropleth
- quartile
- census
- states
When to use this template
A quartile map quickly reveals the geographic distribution of a metric, highlighting regions that perform significantly higher or lower than average. Analysts use it to identify spatial clusters of extreme values and understand regional disparities at a glance, making it easy to spot areas needing further investigation or policy intervention.
- Geographic data aggregated to US state boundaries.
- A single continuous numerical variable per state.
- Data where relative ranking across states is important.
- Datasets with 50-60 distinct geographic entities.
- Point-in-time or annual aggregated metrics.
- When comparing a state's value against national distribution.