Illinois · FIPS 17049 · County seat: Effingham
Effingham County, IL GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Effingham County, IL: the Effingham County ArcGIS parcel map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Effingham County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Effingham County at a glance
| Official map | Effingham County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Effingham |
| Population | 34,331 (2023 Census Bureau estimate) |
| Land area | 479 sq mi |
| FIPS code | 17049 |
Where the parcel data comes from
Effingham 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.
Searching for a parcel, step by step
- Open the link. This viewer is an ArcGIS Experience Builder app, so its layout is custom to the publisher.
- Look for a search box or search widget and type in a street address or parcel ID.
- Click a parcel to see its details in a pop-up or side panel.
- Check the toolbar for a layer list or basemap switcher if you want aerials or other layers.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Effingham County by the numbers
Census Bureau figures put Effingham County at about 34,331 people (2023 estimate) on roughly 479 square miles of land, which is about 72 residents per square mile. That makes it number 41 out of 102 Illinois counties by population. Its county seat is Effingham.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Effingham County:
Before you rely on the lines
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.