Projects

Geographic data sources

• Census Bureau's Cartographic Boundary Shapefiles
• Natural Earth's World-wide vector data
• Mapzen data and/or vector tiles

Topojson data

Topojson versions of the two geographic data sources above

• US Atlas -- Census
• World Atlas -- Natural Earth

Additional data sources

• American Community Survey socioeconomic data
• Consumer Financial Protection Bureau's mortgage data
• U.S. Geological Survey's National Map

Streaming shapefile parser

• shapefile