Zoning · Illinois
Zoning in Illinois
Zoning (Municipal planning departments) data for ZIP codes in Illinois. Pick a ZIP below to dive into the zoning summary.
Last verified 2026-09-24 · methodology
What lands here
Not on zipradar yet. The plan is the ZIP's main zoning classes in plain English. Until then, the city planning department's official map is the source.
Source & refresh
Municipal planning departments. Refreshed annual plus ad-hoc rezonings. Primary source →
Illinois top concern
Lead service lines, flooding (Mississippi/Illinois)
Illinois has the highest LCRR lead-service-line replacement obligations in the US (Chicago alone >400,000 LSLs). FEMA AE coverage extends along the Mississippi, Illinois, and Rock rivers. EPA SDWIS shows urban vs. downstate disparity.
See Illinois state page for the full state-level rollup across all 12 dimensions.
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