US Census Bureau publishes 318 open datasets for United States. Browse them live in Vizzie and turn any one into a map or chart.
US Census Bureau is the open-data portal for United States. It runs on US Census Bureau API, an open-data platform. You can browse it directly at api.census.gov. Reuse terms are set out in the portal's terms of service (Census Bureau APIs terms of service; requires an API key and requests attribution to the Census Bureau.).
US Census Bureau publishes one licence across its whole catalogue, so every dataset here is covered by it. That is a stronger position than an undeclared catalogue, where nothing grants permission at all — but the portal's terms are what govern, so read them before you rely on the data. Vizzie resolves each dataset to the same licence and writes the attribution line for you when you export or publish.
Aggregate ACS/Decennial tables only — no microdata. Added 2026-09-15 to close the registry⊆matrix gap: this portal was in WIZARD_SOURCE_REGISTRY with no matrix row, so it silently ran on DEFAULT_RATE_LIMIT with no…
US Census Bureau doesn't expose a machine-readable breakdown of who publishes what, so there's no reliable publisher ranking to show here. Vizzie still surfaces each dataset's own publisher as you browse.
No download, no GIS specialist. Opens in Vizzie.