McDonough County, IL: GIS web map
McDonough County parcel map hosted by the Western Illinois University GIS Center, searchable by parcel number, owner or address.
McDonough County GIS web 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.
- Property linesSee the shape and size of a parcel and where it meets the neighbors.
- Property ownerFind the owner of record for a parcel.
- Parcel numberLook up a parcel by its number, or find the number for an address.
About this resource
- Provided by
- McDonough County (official)
- Covers
- McDonough County, IL
- Link status
- Opened normally at the last check
- Link checked
- Oct 13, 2026
- Web address
- https://gis.wiu.edu/js/mcdonough/
Who to contact
- McDonough County GIS and mappingMcDonough County Supervisor of Assessments keeps the maps and GIS for McDonough County.Shaun Ellis, GIS Tech
- Phone
- (309)833-5305
- shaun@assessor.mcdonough.il.us
- Website
- Visit website
- McDonough County Supervisor of AssessmentsThe McDonough County Supervisor of Assessments keeps assessment records, reviews township assessments, and handles homestead exemptions and assessment appeals.
- Phone
- (309) 833-5305
- Address
- #1 Courthouse Square, Macomb, IL 61455
- Website
- Visit website
More for McDonough County, IL
- McDonough County assessment recordsProperty records · Property owner
- Illinois property taxProperty taxes
- Illinois drainage districts and drainage commissionersWetlands
- FEMA Flood Map Service CenterFlood zones
- Illinois building code and construction permitsBuilding permits
- Illinois state landsPublic land
- Illinois food assistanceFood assistance (SNAP and EBT)
- Illinois unemployment benefitsUnemployment benefits
- McDonough County Treasurer tax saleTax-forfeited land
- McDonough County Highway DepartmentRoads
- McDonough County USDA FSA and NRCS officeSoils