Indiana · FIPS 18161 · County seat: Liberty
Union County, IN GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Union County, IN: Union County, IN Map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Union County parcel map ↗
Opens unionin.wthgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Union County, IN Map |
|---|---|
| Type | County-run map |
| Website | unionin.wthgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Liberty |
| Population | 6,973 (2023 Census Bureau estimate) |
| Land area | 161 sq mi |
| FIPS code | 18161 |
About the official source
This map is published by or for Union 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
- Press the button above. This county's viewer runs on WTH GIS; 44 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.
About Union County
The U.S. Census Bureau estimated Union County's population at 6,973 in 2023, spread over about 161 square miles of land, or roughly 43 people per square mile. That makes it number 91 out of 92 Indiana counties by population. The county seat is Liberty.
Counties next to Union County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Union County:
Before you rely on the lines
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.