2010 Census Redistricting Data Program - P.L. 94 - 171:
Collection of State Legislative District (SLD) boundaries. This will be the first effort post-Census 2000 to update SLD boundaries. This phase includes a verification stage as well as data tabulation for legislative districts based on Census 2000 data. Ongoing changes to Congressional boundaries will be collected and new tabulations developed as needed.
Guidelines for Phase 1 [PDF]
Collection of Voting District boundaries and updates to legislative districts. States will submit block boundary suggestions for inclusion in the 2010 Census block tabulations during this phase of the Redistricting Data Program as well. A verification phase is included for all components (VTD/SLD/Congressional) of this phase.Federal Register Notice announcing Phase 2 [PDF]
Questions regarding the Phase 2 Guidelines and MTPS should be directed to the Redistricting Data Office at (301) 763-4039.
Delivery of the geographic products and data products to the official designated liaisons. Geographic products will precede the P.L. 94-171 data tabulations that are mandated by law for delivery no later than April 1, 2011, one year following Census Day.
Collection of State Legislative District and Congressional plans drawn using the Phase 3 materials. Production of both geographic and data products required for delivery to the USPS/DOJ. Production of materials for Congress and Congressional District data summaries/maps during this time.
Historical review by the states of the successes and failures of the Census Bureau to meet the Public Law 94-171 requirements. Production of final report with the view of the states expressed for the program in Census 2020.