United States Boundary Files

United States Census Bureau: Cartographic Boundary Files - Shapefiles

Querying over HTTP

Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:

curl https://data.splitgraph.com/sql/query/ddn \
    -H "Content-Type: application/json" \
    -d@-<<EOF
{"sql": "
    SELECT *
    FROM \"datahub-transportation-gov/united-states-boundary-files-iwhi-vi5z\".\"united_states_boundary_files\"
    LIMIT 100 
"}
EOF

See the Splitgraph documentation for more information.