Oklahoma · FIPS 40055 · County seat: Mangum
Greer County, OK GIS & Parcel Viewer
Looking for lot lines or a parcel number in Greer County, OK? The quickest route is OKMaps (Oklahoma Office of Geographic Information) - Statewide Parcels layer, the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Greer County statewide map ↗
Opens okmaps.org in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | OKMaps (Oklahoma Office of Geographic Information) - Statewide Parcels layer |
|---|---|
| Type | Statewide map (covers all of Oklahoma) |
| Website | okmaps.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Mangum |
| Population | 5,466 (2023 Census Bureau estimate) |
| Land area | 639 sq mi |
| FIPS code | 40055 |
About the official source
This is a statewide map, not a county site. OKMaps (Oklahoma Office of Geographic Information) - Statewide Parcels layer covers parcels across Oklahoma, and Greer County is one part of it. Because a state agency compiles this layer from local data, check with the Greer County assessor or recorder before relying on a recent change. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this statewide map
- Press the button to load the OKMaps viewer from the Oklahoma Office of Geographic Information.
- Turn on parcels first: open Explore, choose Land Parcels, pick Statewide Parcels and press the green +.
- Pan to Greer County and keep zooming in until the parcel outlines appear.
- Select a lot to see what the statewide layer lists for it, and confirm anything important with the county's own offices.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
About Greer County
Greer County had an estimated 5,466 residents in 2023, according to the Census Bureau. With about 639 square miles of land, that works out to roughly 8.6 people per square mile. Among Oklahoma's 77 counties, it is the 66th largest by population. Its county seat is Mangum.
Counties next to Greer County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Greer County:
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.