Indiana · FIPS 18153 · County seat: Sullivan
Sullivan County, IN GIS & Parcel Viewer
Looking for lot lines or a parcel number in Sullivan County, IN? The quickest route is the Sullivan County Beacon site, 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 Sullivan County parcel map ↗
Opens beacon.schneidercorp.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Sullivan County Beacon site |
|---|---|
| Type | County-run map |
| Website | beacon.schneidercorp.com |
| Access | Map page asked for a sign-in when we checked (Oct 2026) |
| County seat | Sullivan |
| Population | 20,757 (2023 Census Bureau estimate) |
| Land area | 447 sq mi |
| FIPS code | 18153 |
About the official source
Sullivan County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. When we checked in October 2026, the map page on this site was limited to signed-in users. Other parts of the site may be open, and the county office can explain how access works.
Searching for a parcel, step by step
- Press the button above to open Beacon, the Schneider Geospatial parcel platform this county uses. Accept the usage terms if asked.
- Search by address, owner or parcel number, or zoom in and click a lot.
- From a parcel's pop-up, open the full record to see values, sales or building data where the county shares them.
- Switch layers on or off to compare parcels with aerials, zoning or other overlays.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Sullivan County had an estimated 20,757 residents in 2023, according to the Census Bureau. With about 447 square miles of land, that works out to roughly 46 people per square mile. By population it ranks 69th of 92 counties in Indiana. Its county seat is Sullivan.
Neighboring counties
Sullivan County shares a border with the counties below. Each link has its own official map:
A note on accuracy
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.