Census Geocoder - Batch Geocoding & API Now Available

The Census Bureau has released a new geocoding tool that allows users to find the census geographic areas that street addresses or address coordinates are located within. The tool is available as an API and a web form. In addition to a single address look-up, the tool also allows users to submit batches of up to 1,000 addresses at a time.

The information in the geocoder comes from the Census Bureau’s MAF/TIGER database, which holds our geographic information used for censuses and surveys. The address ranges used in the geocoder are the same address ranges found in the TIGER/Line Shapefiles, which are derived from the Master Address File (MAF).

Additional information, including documentation, descriptions of the data in the geocoder, and FAQs are included on our geocoder website.

Contact: geo.tiger@census.gov | (301) 763-1128

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