Data visualization

Data visualization

Charts that turn complex systems into clear, memorable stories.

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Presidential Margins, 1868–2020

Sep 2026 · Data visualization

Each county's Democratic–Republican margin in 39 presidential elections since 1868, raised so wider gaps stand taller. Play or scrub the years to watch counties flip; drag to pan and orbit.

Client: Personal. Tools: Three.js, React.js, GLSL, D3.

Open project Presidential Margins, 1868–2020, data visualization by Gordon Tu