Illinois · FIPS 17179 · County seat: Pekin
Tazewell County, IL GIS & Parcel Viewer
Looking for lot lines or a parcel number in Tazewell County, IL? The quickest route is Tazewell County GIS Viewer (Public), the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Tazewell County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Tazewell County at a glance
| Official map | Tazewell County GIS Viewer (Public) |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Pekin |
| Population | 129,541 (2023 Census Bureau estimate) |
| Land area | 646 sq mi |
| FIPS code | 17179 |
Where the parcel data comes from
Tazewell County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this map
- 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.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
Tazewell County by the numbers
Census Bureau figures put Tazewell County at about 129,541 people (2023 estimate) on roughly 646 square miles of land, which is about 201 residents per square mile. By population it ranks 16th of 102 counties in Illinois. The county seat is Pekin.
Neighboring counties
Parcels close to the edge of Tazewell County can fall in the next county over. Neighboring counties:
A note on accuracy
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.