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Found 3 datasets matching filters.

  • #1 County

    Download In State Plane Projection Here. Boundaries for electing representatives to the Illinois House as established by that body.Update Frequency:This dataset is updated on a weekly basis.

    Search relevance: 1.00 | Views last month: 0 | Published on: 2026-04-02
  • #2 County

    Download In State Plane Projection Here. Boundaries for electing senators to the Illinois Senate as established by that body. Update Frequency: This dataset is updated on a weekly basis.

    Search relevance: 1.00 | Views last month: 0 | Published on: 2026-04-02
  • #3 County

    An in-depth description of the various Political Boundaries GIS data layers outlining terms of use, update frequency, attribute explanations, and more. District data layers include: Lake County...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08

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