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UDO Zoning

Published by Lake County Illinois GIS | Lake County, Illinois | Catalog Last Checked: May 14, 2026 at 07:22 AM | Dataset Last Updated: May 10, 2026 at 11:17 AM
Download In State Plane Projection Here. The zoning shapefile defines the geographic extent of zoning districts in unincorporated Lake County as established by the Lake County Code Chapter 151: Unified Development Ordinance. The zoning shapefile is used to create the official zoning maps for the County. It is updated, as need, to reflect annexations and disconnections and rezoning.

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