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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: 2 | Catalog Last Checked: June 16, 2026 at 07:02 PM -
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: 1 | Catalog Last Checked: June 16, 2026 at 07:02 PM -
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 | Catalog Last Checked: August 08, 2025 at 05:15 PM
