County outline
Where Ochiltree County is located
Area breakdown
Land accounts for 99.9% of Ochiltree County’s measured area and water for 0.1%. Its combined area converts to 2,378.1 square kilometers or approximately 587,647 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 917.685 | 2,376.793 | 587,318.4 |
| Water | 0.514 | 1.331 | 329 |
| Total | 918.199 | 2,378.124 | 587,647.4 |
How Ochiltree County compares
By original Census land area, Ochiltree County ranks #112 of 254 in Texas and #802 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.01 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.4% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Ochiltree County
The Census Bureau estimates that 9,284 people lived in Ochiltree County on July 1, 2025. That ranks #2,541 of 3,222 county equivalents nationally and #171 of 254 in Texas. Since the April 1, 2020 estimates base of 10,015, the population has declined by 731 (−7.3%), compared with +8.8% for Texas as a whole.
With 917.7 square miles of land, that is 10 people per square mile (3.9 per km²), placing Ochiltree County #2,639 nationally for density and #168 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 63 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 9,954 | 9,768 | 9,662 | 9,645 | 9,462 | 9,284 |
| Change | — | −186 | −106 | −17 | −183 | −178 |
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 Ochiltree County
2 incorporated places lie at least partly in Ochiltree County. Together they are home to 7,868 people (84.7%); the other 1,416 (15.3%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Perryton city, with 7,850 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Perryton cityCounty seat | 7,850 | −7.4% | 4.798 |
| Booker townAlso in 1 other county | 18 | −10% | 1.053 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Ochiltree County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Ochiltree County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
5 ZIP Code Tabulation Areas have land in Ochiltree County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
7900579033790707908179093
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 Ochiltree County
Ochiltree County shares a land border with 5 county equivalents, including 2 in Oklahoma. Each of them has more land than Ochiltree County. The largest neighbor is Texas County (2,041.3 mi²) and the smallest is Hansford County (919.8 mi²). Together with its neighbors, Ochiltree County forms a block of 7,549.9 mi² of land, of which it holds 12.2%.
| Bordering county equivalent | Land mi² | Size vs. Ochiltree | Compare |
|---|---|---|---|
| Texas CountyOklahoma | 2,041.3 | 2.2× larger | Compare |
| Beaver CountyOklahoma | 1,814.8 | 2× larger | Compare |
| Lipscomb County | 932.2 | about the same | Compare |
| Roberts County | 924.1 | about the same | Compare |
| Hansford County | 919.8 | about the same | Compare |
How big is Ochiltree County compared with U.S. states?
Ochiltree County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Texas’s county land could hold about 285 areas the size of Ochiltree County.
Another way to picture it: the same land area would fill a square about 30.3 miles (48.8 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 Ochiltree County?
Ochiltree County has more land than 2,420 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 Ochiltree County at #908 nationally by total area, 106 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 0.1%, compared with a national county-equivalent median of 1.2% — 1.1 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 Ochiltree County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #801 | Charleston County, South Carolina | 918.3 | Compare |
| #802 | Ochiltree County, Texas | 917.7 | This county |
| #803 | Stonewall County, Texas | 916.3 | Compare |
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.
Representative coordinates
The Census internal point is 36.278744, -100.815864. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 2,376,792,054 m²; AWATER: 1,331,778 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Ochiltree County?
Ochiltree County, Texas has 917.7 square miles (2,376.8 km²) of land and 0.514 square miles of water, for a total area of 918.2 square miles. It ranks #802 of 3,222 U.S. county equivalents by land area.
Is Ochiltree County the largest county in Texas?
No. Ochiltree County ranks #112 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Ochiltree County?
Ochiltree County shares a land border with Hansford County, Lipscomb County, Roberts County, Beaver County, Oklahoma, and Texas County, Oklahoma.
What is the population of Ochiltree County?
The Census Bureau estimates Ochiltree County had 9,284 residents on July 1, 2025, ranking #2,541 of 3,222 county equivalents. That is 10 people per square mile of land.
What is the county seat of Ochiltree County?
The county seat of Ochiltree County is Perryton.
What cities and towns are in Ochiltree County?
Ochiltree County has 2 incorporated places. The most populous are Perryton city and Booker town; 1,416 residents live outside any incorporated place.
Is Ochiltree County part of a metropolitan area?
No. Ochiltree County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Ochiltree County?
5 ZIP Code Tabulation Areas have land in Ochiltree County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Ochiltree County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.
How many acres of land are in Ochiltree County?
The land measurement converts to approximately 587,318 acres. Including water, total area is approximately 587,647 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.