Oklahoma · FIPS 40139 · County seat: Guymon
Texas County, OK GIS & Parcel Viewer
Looking for lot lines or a parcel number in Texas 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 Texas County statewide map ↗
Opens okmaps.org in a new tab. We link out and never embed or copy parcel data.
Texas County at a glance
| 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 | Guymon |
| Population | 20,371 (2023 Census Bureau estimate) |
| Land area | 2,041 sq mi |
| FIPS code | 40139 |
Where the parcel data comes from
Texas County doesn't have its own viewer in our directory, so we point you to a statewide map: OKMaps (Oklahoma Office of Geographic Information) - Statewide Parcels layer. Zoom in on Texas County to see its parcels. Statewide parcel layers are usually stitched together from county files, so the newest splits or sales may show up on the county's own records first. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the Texas County viewer
- Open the statewide viewer in a new tab and move the map to Texas County (around Guymon).
- Nothing parcel-related shows at first. Add it through Explore > Land Parcels > Statewide Parcels, then click the green +.
- Zoom in closely; at wide views the parcel layer stays blank.
- Click a parcel to see its record, and keep the parcel ID handy for later searches with the county assessor or county clerk.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
The county in brief
The U.S. Census Bureau estimated Texas County's population at 20,371 in 2023, spread over about 2,041 square miles of land, or roughly 10.0 people per square mile. By population it ranks 39th of 77 counties in Oklahoma. Its county seat is Guymon.
Counties next to Texas County
Texas County shares a border with the counties below. Each link has its own official map:
- Beaver County
- Cimarron County
- Hansford County, TX
- Morton County, KS
- Ochiltree County, TX
- Seward County, KS
- Sherman County, TX
- Stevens County, KS
A note on accuracy
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.