Data sources and credits

TopoScorer is built on public data and open-source maps. Thank you to:

• U.S. Census Bureau: American Community Survey five-year estimates (2024), cartographic boundary files, and the Census Geocoder. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
• OpenStreetMap: map data © OpenStreetMap contributors, available under the Open Database License.
• OpenFreeMap (openfreemap.org) for the map pictures, and OpenMapTiles for their design.
• openrouteservice for drive times and address lookups: © openrouteservice.org by HeiGIT.
• MapLibre (maplibre.org) for drawing the map.