Illinois · FIPS 17039 · County seat: Clinton
De Witt County, IL GIS & Parcel Viewer
Here is the direct link to the county parcel map covering De Witt County, IL: the De Witt County ArcGIS parcel map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the De Witt County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | De Witt County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Clinton |
| Population | 15,365 (2023 Census Bureau estimate) |
| Land area | 398 sq mi |
| FIPS code | 17039 |
Who runs this map
De Witt County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the De Witt County viewer
- Press the button above; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
- Search by address or parcel ID, or pan to the area.
- Select a parcel to view the information the publisher makes available.
- Explore the app's panels for layers, legends or printing.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About De Witt County
De Witt County had an estimated 15,365 residents in 2023, according to the Census Bureau. With about 398 square miles of land, that works out to roughly 39 people per square mile. Among Illinois's 102 counties, it is the 70th largest by population. Clinton serves as the county seat.
Counties next to De Witt County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border De Witt County:
Maps vs. surveys
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.