Texas County area

Population and density of Texas County

The Census Bureau estimates that 20,322 people lived in Texas County on July 1, 2025. That ranks #1,866 of 3,222 county equivalents nationally and #39 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 21,385, the population has declined by 1,063 (−5%), compared with +4.1% for Oklahoma as a whole.

With 2,041.3 square miles of land, that is 10 people per square mile (3.8 per km²), placing Texas County #2,646 nationally for density and #59 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 64 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Texas County

7 incorporated places lie at least partly in Texas County. Together they are home to 16,941 people (83.4%); the other 3,381 (16.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Guymon city, with 12,241 residents in the county.

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Texas County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Texas County is a central county of the Guymon, OK Micropolitan Statistical Area. Texas County is the area’s only county equivalent, so the micro area has the same 2,041.3 square miles of land. By combined land it ranks #77 of 542 micropolitan areas, and #513 by population.

ZIP codes

9 ZIP Code Tabulation Areas have land in Texas County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

739017393973942739447394573947739497395073951

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Texas County

Texas County shares a land border with 8 county equivalents, including 6 in Texas and Kansas. It has more land than every one of them. The largest neighbor is Cimarron County (1,834.8 mi²) and the smallest is Seward County (639.7 mi²). Together with its neighbors, Texas County forms a block of 10,548.1 mi² of land, of which it holds 19.4%.

How big is Texas County compared with U.S. states?

Texas County has more land than 2 of the 50 states. It is about 1 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 2.4 times as much land (4,842.5 mi²). Oklahoma’s county land could hold about 34 areas the size of Texas County.

Another way to picture it: the same land area would fill a square about 45.2 miles (72.7 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Texas County?

Texas County has more land than 2,944 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Texas County at #310 nationally by total area, 32 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Texas County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.