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Correction: TIGER/Line 2006 FirstSecond Edition files made available

We have posted an archive of the TIGER/Line 2006 Second Edition files at These are public-use data files as published by the U.S. Census Bureau's geography division. These files are provided as a convenience for the community, since they were used in the creation of geographic definitions for public-use files available on this site


Our site goes mobile

We have activated a feature that allows for mobile devices (iPhone, Symbian phones, Windows Mobile devices, Opera Mini) to view a mobile-optimized site. Greatly enhances viewability while on the go.

OnTheMap v3.0 data files available for download

OnTheMap v3.0 data files provided by the LEHD Program at the U.S. Census Bureau are now available for download to registered users. To register for access to the data, please request a login for the site by sending an email to Registered users can go directly to the download [...]

Unannounced downtime for security patches

Local compute nodes and web servers are being rebooted in order to apply security patches. Individual nodes may be offline for 5-10 minutes each.

Brief downtime Friday night 2008-10-17 to install security patches

The compute nodes and the web servers will be briefly offline Friday night to apply security patches.