Redistricting 2011 & Vt Ds V3
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Redistricting 2011 & Vt Ds V3

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North Carolina legislative staff presentation on preparation for 2011 redistricting, presented at North Carolina Election Director's annual conference December 15, 2008.

North Carolina legislative staff presentation on preparation for 2011 redistricting, presented at North Carolina Election Director's annual conference December 15, 2008.

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Redistricting 2011 & Vt Ds V3 Redistricting 2011 & Vt Ds V3 Presentation Transcript

  • Redistricting 2011 From Data Collection to Plan Implementation
  • 2010 Redistricting Data Program
    • Phase 1 - 2006: State Legislative District Project
    • Phase 2 - 2009: Voting District Project
    • Phase 3 - 2011: Delivery of Redistricting Data
    • Phase 4 - 2013: Collection of New District Plans
    • Phase 5 – 2014: Evaluation of the Program
  • Redistricting Database Components
    • Numeric
      • Population (PL94-171)
        • Total & Voting Age Population
        • Race & Ethnicity
      • Election Returns
      • Voter Registration
      • Citizenship?
    • Geographic
      • TIGER
      • NCOneMap
  • Geographic Hierarchy Counties (100) Voting Tabulation Districts (2,677+) Census Blocks (232,403+) Street Addresses (?) State (1) House, Senate, & Congressional Districts
  • State is composed of Counties
  • Counties are composed of VTDs
  • VTDs are composed of Census Blocks
  • Census Block Level
  • Address Points within Blocks
  • All Numeric Data to Block Level Voter Registration (SEIMS) Population Data (PL94-171) Election Returns Block VAP/ VTD VAP VTD Assignment Block VAP/ VTD VAP Geographic Level County VTD Block Address
  • Minimization of County Splitting
    • Identify single district counties
    • Identify multi-district counties
    • Create smallest possible county clusters
    10 1,690,353 1,609,860 1,529,367 10 704,319 670,780 637,241 10 9 1,521,318 1,448,874 1,376,430 9 633,887 603,702 573,517 9 8 1,352,282 1,287,888 1,223,494 8 563,455 536,624 509,793 8 7 1,183,247 1,126,902 1,070,557 7 493,023 469,546 446,069 7 6 1,014,212 965,916 917,620 6 422,591 402,468 382,345 6 5 845,177 804,930 764,684 5 352,160 335,390 318,621 5 4 676,141 643,944 611,747 4 281,728 268,312 254,896 4 3 507,106 482,958 458,810 3 211,296 201,234 191,172 3 2 338,071 321,972 305,873 2 140,864 134,156 127,448 2 1 169,035 160,986 152,937 1 70,432 67,078 63,724 1 Districts 5% Variance Over Ideal Population 5% Variance Under Districts 5% Variance Over Ideal Population 5% Variance Under Districts Senate Plan House Plan
  • NC House County Clusters
  • House Districts within Clusters
  • Districts within in the Hierarchy
  • Redistricting Timeline
    • 2009 April 1 st - dress rehearsal data released
    • 2009 May 1 st – final VTDP submissions due
    • 2009 November – VTDP verification phase begins
    • 2010 April 1 st – census day
    • 2010 December? – delivery of census geography
    • 2011 April 1 st – delivery of population data
    • 2011 Spring/Summer – active redistricting
    • 2011 Fall – pre-clearance of new district plans
    • 2012 January? – communication of final plans to SBE
  • Statute Text
    • § 120‑2. House apportionment specified.
    • District 1: Camden County, Currituck County, Pasquotank County, Tyrrell County.
    • District 2: Chowan County, Dare County, Hyde County, Washington County.
    • District 4: Duplin County, Onslow County: Precinct Catherine Lake, Precinct Gum Branch, Precinct Richlands, Precinct Tar Landing.
    • District 5: Bertie County, Gates County, Hertford County, Perquimans County.
    • District 6: Beaufort County, Pitt County: Precinct Greenville 08A, Precinct Greenville 08B, Precinct Greenville 09:Tract 3: Block Group 1, Block Group 2: Block 2000, Block 2001, Block 2002, Block 2003, Block 2004, Block 2005, Block 2006, Block 2007, Block 2008, Block 2009, Block 2010, Block 2011, Block 2012, Block 2013, Block 2015, Block 2016; Block Group 4: Block 4000, Block 4001, Block 4002, Block 4003, Block 4004, Block 4005, Block 4006, Block 4007, Block 4008, Block 4009, Block 4053, Block 4054, Block 4055, Block 4056, Block 4057, Block 4999; Tract 9: Block Group 2: Block 2018, Block 2019, Block 2020, Block 2021, Block 2022, Block 2023, Block 2024, Block 2025, Block 2026, Block 2027, Block 2028, Block 2029, Block 2036, Block 2037, Block 2055, Block 2056, Block 2057, Block 2059, Block 2993, Block 2994, Block 2995, Block 2996; Tract 10: Block Group 4: Block 4013, Block 4014, Block 4015, Block 4016, Block 4017, Block 4018, Block 4019, Block 4020, Block 4021, Block 4022, Block 4023, Block 4997; Precinct Greenville 10B, Precinct Grimesland, Precinct Pactolus, Precinct Simpson A, Precinct Simpson B.
  • Block Assignment File
    • "370010201011000","63"
    • "370010201011001","63"
    • "370010201011002","63"
    • "370010201011003","63"
    • "370010201011004","63"
    • "370010201011005","63"
    • "370010201011006","63"
    • "370010201011007","63"
    • "370010201011008","63"
    • "370010201011009","63"
    • "370010201011010","63"
    • "370010201011011","63"
    • "370010201011012","63"
    • "370010201011013","63"
    • "370010201011014","63"
    • "370010201011015","63"