DuPage County, IL
What LandBenchmark can tell you about a parcel in DuPage County — and, just as importantly, what it can't.
- Land area
- 327.8
- sq mi
- Water area
- 8.6
- sq mi
- County FIPS
- 17043
- Centre
- 41.852, -88.086
Area and centre from the US Census Bureau 2023 Gazetteer.
Data available for DuPage County
- No free owner records. Illinois does not publish a free statewide parcel-and-owner dataset, so LandBenchmark cannot show who owns a parcel in DuPage County. The county assessor's office is the authoritative source. Every measured signal below is unaffected.
- Legal description — township, range and section from the BLM Public Land Survey System.
- FEMA flood zones, wetlands, soil survey and NCCPI soil productivity — the federal layers, all free and all available here.
- 56 measured signals from satellite imagery and public records — slope and usable acreage, observed surface water, vegetation trend, wildfire and seismic hazard, access and neighbouring land use. Each one cites its method, its source, and the date it was observed.
LandBenchmark has no listings and does not know what is for sale in DuPage County. It analyses a parcel you point it at. It is an automated Phase-1 desk screen, not a survey, a flood determination, or a substitute for on-site inspection.