ICE8_US_States_Population

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ICE8_US_States_Population

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Last edited Apr 13, 2026

Created on Apr 13, 2026

Forked from Mapp

This choropleth map displays U.S. state populations, with darker blue fills indicating higher population values and gray for states without data. It uses D3 v7 with `d3.geoAlbersUsa` projection, `d3.geoPath` for rendering, and `topojson.feature` to parse the us-atlas states-10m TopoJSON source. A `d3.scaleSequential` with `d3.interpolateBlues` maps population values to colors, while mouseover events update an HTML tooltip showing state names and population in millions.

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MIT Licensed

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