Is there a vector tile set available online somewhere of US national congressional districts? I have been downloading shapefiles from the US Census bureau's shapefile repository, converting these to json with mapshaper.org and then converting to tile sets with MapTiler desktop. It would be way simpler to just find an existing prebuilt protobuf file online. It is generic data, so just figuring it may exist somewhere. Where should I look? No luck with a simple Google search.

  • If it’s open data that you seek then I think the place to ask is the Open Data Stack Exchange. – PolyGeo Apr 9 at 7:33

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