us-atlas
Pre-built TopoJSON files of U.S. cartographic boundaries from the Census Bureau for mapping.
What is us-atlas?
U.S. Atlas TopoJSON is a collection of pre-built TopoJSON files containing U.S. geographic boundaries from the Census Bureau. It provides ready-to-use nation, state, and county geometries that have been converted, optimized, and projected for mapping applications. This solves the problem of having to download, convert, and process raw Census shapefiles manually.
Data visualization developers, cartographers, and researchers who need U.S. geographic boundaries for web-based mapping projects using libraries like D3.js.
Developers choose this project because it provides clean, consistent, and optimized TopoJSON files that work seamlessly with D3-geo, saving hours of data processing time. The pre-projected versions are particularly valuable as they come ready for display with proper Albers USA projection.
Overview
Pre-built TopoJSON from the U.S. Census Bureau.
Use Cases
Best For
- Creating choropleth maps of U.S. states or counties
- Building interactive data visualizations with D3.js that require U.S. geographic boundaries
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