Illinois · FIPS 17075 · County seat: Watseka
Iroquois County, IL GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Iroquois County, IL: the Iroquois County BHA Maps viewer. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Iroquois County parcel map ↗
Opens iroquois-il.bhamaps.com in a new tab. We link out and never embed or copy parcel data.
Iroquois County at a glance
| Official map | Iroquois County BHA Maps viewer |
|---|---|
| Type | County-run map |
| Website | iroquois-il.bhamaps.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Watseka |
| Population | 26,136 (2023 Census Bureau estimate) |
| Land area | 1,117 sq mi |
| FIPS code | 17075 |
Who runs this map
Iroquois 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.
Finding a property on this map
- Press the button above. This county's viewer runs on BHA Maps; 12 counties in our directory use the same service.
- Find the search option and look up a property, or zoom in on the map.
- Click a lot to see its details.
- Check the toolbar for layers, measuring and printing.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
The U.S. Census Bureau estimated Iroquois County's population at 26,136 in 2023, spread over about 1,117 square miles of land, or roughly 23 people per square mile. By population it ranks 51st of 102 counties in Illinois. Its county seat is Watseka.
Counties next to Iroquois County
Parcels close to the edge of Iroquois County can fall in the next county over. Neighboring counties:
Before you rely on the lines
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.