Indiana · FIPS 18077 · County seat: Madison
Jefferson County, IN GIS & Parcel Viewer
Parcel lookups for Jefferson County start at Jefferson County, IN Map. This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Jefferson County parcel map ↗
Opens jeffersonin.wthgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Jefferson County, IN Map |
|---|---|
| Type | County-run map |
| Website | jeffersonin.wthgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Madison |
| Population | 33,056 (2023 Census Bureau estimate) |
| Land area | 361 sq mi |
| FIPS code | 18077 |
Who runs this map
This map is published by or for Jefferson County itself, so it reflects the local parcel layer rather than a third-party copy. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this map
- Open the official link; the map is hosted on WTH GIS, a vendor platform used by 44 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
Jefferson County by the numbers
The U.S. Census Bureau estimated Jefferson County's population at 33,056 in 2023, spread over about 361 square miles of land, or roughly 92 people per square mile. By population it ranks 50th of 92 counties in Indiana. Its county seat is Madison.
Counties next to Jefferson County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Jefferson County:
- Clark County
- Jennings County
- Ripley County
- Scott County
- Switzerland County
- Carroll County, KY
- Trimble County, KY (state list)
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.