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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.
States were allowed to "suggest" features on census maps that they wished the Bureau to maintain during the establishment of census block boundaries. The boundaries were used to provide population totals to the States. Most of states that participated in this voluntary program suggested features like streams, ridge lines, and overhead power lines, that corresponded as closely as possible with the current or projected boundaries of their election precincts, wards, or polling areas (which we refer to generically as "voting districts" (VTDs).
During this phase, the Census Bureau returned to the states--on a flow basis--census maps and electronic files showing all features (e.g., roads, rivers, ridge lines) that were used in creating census blocks for tabulating population totals for redistricting. States then had several months to outline their election precincts (i.e., VTDs) using the features shown on these maps and files and to return the maps/files to the Census Bureau for incorporation into the geographic data base that will be used to take the census.
Under the provisions of Public Law 94-171, the Census Bureau is required to provide each governor and the majority and minority leaders of each state legislature with Census 2000 population totals for counties, American Indian areas, cities, towns, county subdivisions, census tracts, block groups, and blocks.
States that participated in Phase 2 of the Census 2000 Redistricting Data Program received data summaries for local voting districts (e.g., election precincts) that met the Bureau's technical criteria. These Census 2000 Public Law 94-171 Redistricting Data included population totals by race, Hispanic origin, and voting age and were accompanied by census maps showing blocks, census tracts, counties, towns, cities (as of their January 1, 2000 corporate limits), county subdivisions, and voting districts. (NOTE: Some states may have also defined their current legislative districts and totals would be included for these areas as well.) Comparable geographic TIGER/Line® files were also provided to these designated state officials under Public Law 94-171.