Union County, IL: GIS map
Interactive GIS and parcel map for Union County. Search a property to see its parcel lines and the other map layers.
Union County GIS map Open PublicGIS map
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What you can look up here
- County GIS mapThe interactive map the county publishes. Parcels, aerial photos, roads, and lakes in one place.
About this resource
- Provided by
- Union County (official)
- Covers
- Union County, IL
- Link status
- Opened normally at the last check
- Link checked
- Oct 14, 2026
- Web address
- https://www.arcgis.com/apps/mapviewer/index.html?webmap=d0ff1f564feb42f5a8e564f20873e47d
Who to contact
- Union County GISUnion County Supervisor of Assessments keeps the maps and GIS for Union County.
- Phone
- 618-833-8051
- Address
- 309 W Market Street, Jonesboro, IL 62952
- Website
- Visit website
More for Union County, IL
- Union County property tax inquiryProperty records · Property owner
- Union County property tax search and paymentProperty taxes
- Union County zoning and land useZoning
- Illinois drainage districts and drainage commissionersWetlands
- FEMA Flood Map Service CenterFlood zones
- Union County RecorderPlats
- Union County building and land use permitsBuilding permits
- Illinois state landsPublic land
- Union County Assessor or Supervisor of AssessmentsProperty owner · Property taxes · Property records
- Union County TreasurerProperty taxes
- Union County tax sale and delinquent taxesTax-forfeited land
- Union County ClerkPublic records and meetings · Birth, death, marriage and cemetery records