Wyoming · FIPS 56031 · County seat: Wheatland
Platte County, WY GIS & Parcel Viewer
Parcel lookups for Platte County start at Terra GIS Web for Platte County. This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Platte County parcel map ↗
Opens maps.terragis.net in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Terra GIS Web for Platte County |
|---|---|
| Type | County-run map |
| Website | maps.terragis.net |
| Access | Free, no login (checked Oct 2026) |
| County seat | Wheatland |
| Population | 8,546 (2023 Census Bureau estimate) |
| Land area | 2,081 sq mi |
| FIPS code | 56031 |
About the official source
It is a county-level map: Platte 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.
Finding a property on this map
- Open the official link; the map is hosted on TerraGIS, a vendor platform used by 14 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.
If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.
Platte County by the numbers
Platte County had an estimated 8,546 residents in 2023, according to the Census Bureau. With about 2,081 square miles of land, that works out to roughly 4.1 people per square mile. By population it ranks 18th of 23 counties in Wyoming. Wheatland serves as the county seat.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Platte 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.