Indiana · FIPS 18175 · County seat: Salem
Washington County, IN GIS & Parcel Viewer
Use this page to reach the official county parcel map for Washington County, Indiana. The button below opens Washington County, IN Map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Washington County parcel map ↗
Opens washingtonin.wthgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Washington County, IN Map |
|---|---|
| Type | County-run map |
| Website | washingtonin.wthgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Salem |
| Population | 28,205 (2023 Census Bureau estimate) |
| Land area | 514 sq mi |
| FIPS code | 18175 |
Where the parcel data comes from
It is a county-level map: Washington County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Washington County viewer
- 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.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
Washington County by the numbers
Census Bureau figures put Washington County at about 28,205 people (2023 estimate) on roughly 514 square miles of land, which is about 55 residents per square mile. By population it ranks 57th of 92 counties in Indiana. The county seat is Salem.
Counties next to Washington County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Washington County:
- Clark County
- Crawford County
- Floyd County
- Harrison County
- Jackson County
- Lawrence County
- Orange County
- Scott County
Maps vs. surveys
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.