Platbookmapper County GIS Directory

Illinois · FIPS 17059 · County seat: Shawneetown

Gallatin County, IL GIS & Parcel Viewer

Looking for lot lines or a parcel number in Gallatin County, IL? The quickest route is Gallatin Co, Illinois Map, 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 Gallatin County parcel map ↗
Opens gallatinil.wthgis.com in a new tab. We link out and never embed or copy parcel data.

Quick facts

Official mapGallatin Co, Illinois Map
TypeCounty-run map
Websitegallatinil.wthgis.com
AccessFree, no login (checked Oct 2026)
County seatShawneetown
Population4,670 (2023 Census Bureau estimate)
Land area323 sq mi
FIPS code17059

Who runs this map

This map is published by or for Gallatin County itself, so it reflects the local parcel layer rather than a third-party copy. When we tested the link in October 2026 it opened with no login and no fee.

Searching for a parcel, step by step

  1. Open the official link; the map is hosted on WTH GIS, a vendor platform used by 44 counties in our directory.
  2. Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
  3. Click a parcel to view its attributes.
  4. Use the layer or basemap controls to add aerials and other layers where the county provides them.

Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.

The county in brief

Gallatin County had an estimated 4,670 residents in 2023, according to the Census Bureau. With about 323 square miles of land, that works out to roughly 14 people per square mile. Among Illinois's 102 counties, it is the 99th largest by population. Shawneetown serves as the county seat.

Neighboring counties

If the property sits near a county line, the parcel may belong to a neighbor. These counties border Gallatin 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.

Related

← Illinois counties · Open the national map