Wisconsin · FIPS 55127 · County seat: Elkhorn
Walworth County, WI GIS & Parcel Viewer
Looking for lot lines or a parcel number in Walworth County, WI? The quickest route is the Walworth County parcel 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 Walworth County parcel map ↗
Opens gisinfo.co.walworth.wi.us in a new tab. We link out and never embed or copy parcel data.
Walworth County at a glance
| Official map | Walworth County parcel map |
|---|---|
| Type | County-run map |
| Website | gisinfo.co.walworth.wi.us |
| Access | Free, no login (checked Oct 2026) |
| County seat | Elkhorn |
| Population | 105,822 (2023 Census Bureau estimate) |
| Land area | 555 sq mi |
| FIPS code | 55127 |
Where the parcel data comes from
Walworth County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Walworth County viewer
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Walworth County by the numbers
Census Bureau figures put Walworth County at about 105,822 people (2023 estimate) on roughly 555 square miles of land, which is about 191 residents per square mile. That makes it number 15 out of 72 Wisconsin counties by population. The county seat is Elkhorn.
Nearby parcel maps
Walworth County shares a border with the counties below. Each link has its own official map:
- Jefferson County
- Kenosha County
- Racine County
- Rock County
- Waukesha County
- Boone County, IL
- McHenry County, IL
Before you rely on the lines
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.