ICE-8 • USA States Choropleth (D3 + TopoJSON)

Map: us-atlas@3 • D3 v7
CSV headers: state,value • state=TX/CA/... or FIPS=48/06/...

Notes

  1. This is a space-filling choropleth for US states. It encodes a numeric attribute (e.g., crime rate) into color via a sequential scale.
  2. Hover for a tooltip. Click legend title to toggle between quantile and linear scales (demo only).
  3. Replace the demo dataset by choosing Upload CSV… and selecting your file.

Credit: us-atlas TopoJSON; D3; topojson-client.