When was Texas County founded?

Texas County was founded in 1907, formed from Beaver County, and named after Texas.

What is the county seat of Texas County?

The county seat of Texas County is Guymon.

Is there an online parcel map for Texas County?

Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.

Has Texas County's boundary or name changed?

Texas County was created in 1907 from Beaver County. The Atlas of Historical County Boundaries records no boundary change since.

Is my lot in a flood zone?

We do not have flood maps for Texas County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 40139

Texas CountyOklahoma

Texas County is a county in Oklahoma, on the border with Kansas and Texas, founded in 1907, with its seat at Guymon.

Founded1907
County seatGuymon
Named forTexas
Land area2,041 sq mi + 7.4 sq mi water
Population21,384 2020 Census

Open the free map Click any parcel in Texas County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1907 from Beaver County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Texas County was created from Beaver County on November 16, 1907.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

1907
Texas County created Texas created from Beaver.
from Beaver
16 November 1907 · Okla. Constitution [1907], art. 17, sec. 8; Swindler, 8:154

Land and parcels

What the maps cover in Texas

Who publishes each layer, how good it is, and when we last checked.

Parcels Missing

No public parcel map found for Texas County yet. Lot lines and owners of record are kept by the county (txcountyok.com).
Address points Missing

No public address points layer found for Texas County yet.
Buildings Reference

Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026

Official: from the office that keeps the record
Good enough: a reliable statewide or national copy
Fallback: a guide only; check the official record
Missing: nothing public found yet

People and land

Texas by the Census

Population

21,384 2020 Census count

Housing units

8,443 2020 Census count

Land area

2,041 square miles

Water area

7.4 square miles

People per sq mi

10 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Texas County's official site

We have found the county's site but not its offices yet; start there.

County government

County government
The official website of Texas County.
txcountyok.com

See your own lot on these maps

Open Texas County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

Open the free map no sign-in Pro early access

Questions

Common questions about Texas County

When was Texas County founded?: Texas County was founded in 1907, formed from Beaver County, and named after Texas.
What is the county seat of Texas County?: The county seat of Texas County is Guymon.
Is there an online parcel map for Texas County?: Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Texas County's boundary or name changed?: Texas County was created in 1907 from Beaver County. The Atlas of Historical County Boundaries records no boundary change since.
Is my lot in a flood zone?: We do not have flood maps for Texas County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby